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User Manual A WG2021 Arbitrary W aveform Generator 070-9097-50 www .tektronix.com.
Copyright T ektronix Japan, Ltd. All rights reserved. Copyright T ektronix, Inc. All rights reserved. T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material.
T ektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment.
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A WG2021 User Manual i T able of Contents General Safety Summary xxi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface xxiii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents ii A WG2021 User Manual Example 4: Loading and Saving Files 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Saving Files 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents A WG2021 User Manual Editing W aveform Data in T able Display 3-135 . . . . . . . . . . . . . . . . . . . . . . . . . . . Cut, Copy , and Paste Processing Function 3-136 . . . . . . . . . . . . . . . . . . . . . . . . . . Equation Editor 3-137 .
T able of Contents A WG2021 User Manual Selecting the Display Format for the SETUP Menu 3-216 . . . . . . . . . . . . . . . . . . . . . . Selecting Output Parameter Fields 3-217 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents A WG2021 User Manual v Other Settings and Displays 3-279 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Setting the Display 3-279 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents A WG2021 User Manual Performance T ests C-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Prerequisites C-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents A WG2021 User Manual Pattern Codes F-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Logical Operation F-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents viii A WG2021 User Manual List of Figures Figure 1-1: Rear Panel Contr ols Used In Start Up 1-5 . . . . . . . . . . . . . . . Figure 1-2: ON/STBY Switch 1-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2-1: Fr ont Panel Overall V iew 2-3 .
T able of Contents A WG2021 User Manual Figure 2-32: Setting the Edit Range 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2-33: Drawing a W aveform Using the Point Draw Function 2-46 . Figure 2-34: Connecting the Points 2-47 .
T able of Contents A WG2021 User Manual Figure 3-1: Initial EDIT Menu Structur e 3-4 . . . . . . . . . . . . . . . . . . . . . . . Figure 3-2: Display of the Initial Menu 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3-3: Menu Displayed When Rename is Selected 3-9 .
T able of Contents A WG2021 User Manual Figure 3-38: List of Files for Insertion 3-62 . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3-39: File W aveform Display 3-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3-40: Inserting W aveforms 3-63 .
T able of Contents A WG2021 User Manual Figure 3-74: V ertical Zoom 3-95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3-75: Timing Display 3-96 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T able of Contents A WG2021 User Manual Figure 3-1 10: Equation Using norm( 3-151 . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3-1 1 1: Equation Using max( and min( 3-152 . . . . . . . . . . . . . . . . . . . . Figure 3-1 12: Equation Using rnd( 3-153 .
T able of Contents A WG2021 User Manual Figure 3-146: Magnified Signal Display 3-205 . . . . . . . . . . . . . . . . . . . . . . . . Figure 3-147: Low Pass Filter 3-206 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3-148: High Pass Filter 3-206 .
T able of Contents A WG2021 User Manual Figure 3-178: Format... Sub-Menu Display 3-265 . . . . . . . . . . . . . . . . . . . . . Figure 3-179: Write Protect T ab on a Floppy Disk 3-268 . . . . . . . . . . . . . . . Figure 3-180: File and Dir ectory Display in the Root Directory 3-270 .
T able of Contents A WG2021 User Manual Figure A-1 1: The Shape of the Output Connector A-10 . . . . . . . . . . . . . . . . Figure A-12: Generation of Excess Output A-1 1 . . . . . . . . . . . . . . . . . . . . . . Figure A-13: Output Cir cuit A-12 .
T able of Contents A WG2021 User Manual Figure D-6: Nyquist Pulse Formula and W aveform D-9 . . . . . . . . . . . . . . Figure D-7: Linear Fr equency Sweep Formula and W aveform D-10 . . . . . Figure D-8: Log Fr equency Sweep Formula and W aveform D-1 1 .
T able of Contents A WG2021 User Manual Figure E-14: Repr esentative Filter Characteristics E-16 . . . . . . . . . . . . . . . Figure E-15: Time Differ ence Between Signals and SYNC Signals E-17 . . Figure E-16: Attenuator Configuration E-18 .
T able of Contents A WG2021 User Manual xix List of T ables T able 1-1: Power Cord Identification 1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . T able 2-1: Numeric V alue Input Example 1 2-18 . . . . . . . . . . . . . . . . . . . . . T able 2-2: Numeric V alue Input Example 2 2-19 .
T able of Contents A WG2021 User Manual T able B-1: Electrical Characteristics B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . T able B-2: Mechanical Characteristics B-5 . . . . . . . . . . . . . . . . . . . . . . . . . T able B-3: Electrical Characteristics B-6 .
A WG2021 User Manual xxi General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. Only qualified personnel should perform service pr ocedur es. Injury Precautions T o avoid fire hazard, use only the power cord specified for this product.
General Safety Summary xxii A WG2021 User Manual If you suspect there is damage to this product, have it inspected by qualified service personnel. Safety T erms and Symbols These terms may appear in this manual: W arning statements identify conditions or practices that could r esult in injury or loss of life.
A WG2021 User Manual xxiii Preface This is the User Manual for the A WG2021 250 MHz Arbitrary W aveform Generator . Getting Started covers the features of the A WG2021, initial inspection, and start up. In particular , the start up section covers the procedures required prior to turning on the unit and points that require special care or caution.
Preface xxiv A WG2021 User Manual When menu items are displayed in the manual, the menu type, either bottom menu, side menu, or sub-menu, is distinguished and indicated as shown below . Consecutive button operations are expressed as shown below .
A WG2021 User Manual 1 Ć1 Overview This section describes the features of the A WG2021, initial inspection, and start up. Product Description The A WG2021 is a portable arbitrary waveform generator capable of generating both arbitrary and standard function waveforms.
Overview 1 Ć2 A WG2021 User Manual An FFT editor and a convolution waveform editor are provided with A WG2021 units that include Option 09. These editors support frequency domain editing and waveform convolution calculations. As a function generator , the A WG2021 can generate sine waves, triangle waves, square waves, ramp waves, and pulse waves.
A WG2021 User Manual 1 Ć3 Start Up This section describes the procedures required prior to turning on the A WG2021. Installation Before you begin, refer to the Safety Summary at the front of this manual for power source, grounding, and other safety information.
Start Up 1 Ć4 A WG2021 User Manual 3. Remove the fuse from the fuse holder on the rear panel and check the fuse. T o remove the fuse, turn it counter-clock-wise with a screwdriver while pushing it in. There are two types of fuses provided. Here is the fuse type and rating.
Start Up A WG2021 User Manual 1 Ć5 Power On 6. Push the PRINCIP AL POWER SWITCH (shown in Figure 1 -1) on the rear panel of this instrument. Power is now applied to the standby circuit of this instrument.
Start Up 1 Ć6 A WG2021 User Manual T able 1Ć1: Power Cord Identification Plug Configuration Normal Usage Option Number North America 125 V Standard Europe 230 V A1 United Kingdom 230 V A2 Australia .
Start Up A WG2021 User Manual 1 Ć7 Once this instrument is installed, leave the PRINCIP AL POWER SWITCH on and use the ON/STBY switch as the power switch. . This instrument needs to be warmed up for at least 20 minutes in or der to operate at its optimum pr ecision.
Start Up 1 Ć8 A WG2021 User Manual displayed, you should execute the calibrations in the UTILITY menu. Still, when the error message is displayed, contact our nearest representative. T o exit the diagnostics system, press any of the buttons. The system moves on to the SETUP menu.
A WG2021 User Manual 2 Ć1 Introduction This section will discuss the following: Overview . The names of the parts of the instrument and their functions. Basic Menu Operation. Operations commonly performed on the instrument and how to enter numbers Operating Examples.
Introduction A WG2021 User Manual.
A WG2021 User Manual 2 Ć3 Overview The instrument can be divided into three main areas: the front panel, the side panel and the rear panel. In this section, we will list the names and functions of the parts in each of these areas. W e will also list typical display messages that appear on the screen and what they mean.
Overview 2 Ć4 A WG2021 User Manual (1) Bottom Buttons Use the seven bottom buttons to display corresponding menus. Pressing any button in the MENU column, or the F. G button, displays its corresponding menu. These menus are generally the highest level menus.
Overview A WG2021 User Manual 2 Ć5 MHz/ m s 0 1 A . 23 B F. G UTILITY kHz/ms/mV D ENTER EDIT MODE C 8 7 56 4 LOAD/SAVE VALUE CURSOR SETUP MENU 9 INPUT TRIGGER MANUAL E ns F HARDCOPY 16 17 18 19 11 12.
Overview 2 Ć6 A WG2021 User Manual MODE Menu Use the MODE menu to set the operation mode. There are two main types of operation modes: the trigger modes ( Cont, T riggered , Gated and Burst ) and the modes in which waveforms are output in sequence for each trigger ( W aveform Advance and Autostep ).
Overview A WG2021 User Manual 2 Ć7 (12) V ALUE Button and Indicator Press the V ALUE button to light the LED indicator . In this state, inputting the numeric values or selecting the item can be done using the numeric keys or the general purpose knob.
Overview 2 Ć8 A WG2021 User Manual Side Panel ! 21 Figure 2 Ć3: Side Panel (21) Floppy Disk Drive # .
Overview A WG2021 User Manual 2 Ć9 Rear Panel BE CONNECTED TO GROUND. PROTECTIVE GROUNDING CONDUCTOR MUST TO AVOID ELECTRIC SHOCK, THE POWER CORD WITH 250V FUSE OF THE SPECIFIED TYPE AND RATING. FOR CONTINUED FIRE PROTECTION REPLACE FUSE ONL Y PERSONNEL.
Overview 2 Ć10 A WG2021 User Manual (25) CH1 AM IN Connector ! " ! ! %! "!.
Overview A WG2021 User Manual 2 Ć1 1 34 488 PORT IEEE STD CH1 DIGITAL DAT A OUT MARKER 2 OUT 5V FROM 50 W CH2 DIGITAL DAT A OUT CLOCK IN 50 W ± 2V MAX CLOCK OUT 2V FROM 50 W CH-1 5V FROM 50 W 28 35 .
Overview 2 Ć12 A WG2021 User Manual (30) CLOCK OUT Connector This connector is used for internal clock output. The output level i s1Vw i t ha5 0 W termination. (31) CH1 MARKER 2 OUT Connector The CH1 MARKER 2 OUT connector provides a userĆspecified CH1 marker 2.
Overview A WG2021 User Manual 2 Ć13 CRT Display 1 3 2 4 5 7 8 6 Figure 2 Ć6: CRT Display.
Overview 2 Ć14 A WG2021 User Manual (1) Status Area The status line always displays the status of the instrument, no matter what menu is displayed on the screen.
A WG2021 User Manual 2 Ć15 Basic Menu Operation Menu Operations Operations (settings, procedures and selection of parameters for waveform output) are performed on this instrument by means of the system’ s menus. When one of the menu buttons in the center of the front panel is pressed, the menu corresponding to that button will appear .
Basic Menu Operation 2 Ć16 A WG2021 User Manual When you select the desired menu item, the numeric input columns and the selections controlled by that menu are displayed. T o change the selections and numeric values, use the numeric keys or general purpose knob.
Basic Menu Operation A WG2021 User Manual 2 Ć17 In the following section, we will explain these numeric input methods in more detail. T o specify numeric values with the numeric keys, ENTER key , and unit keys on the front panel, perform the following steps.
Basic Menu Operation 2 Ć18 A WG2021 User Manual MHz/ m s 1 5 3 2 0 9 8 7 6 4 .A D B C kHz/ms/mV Hz/s/V ENTER ENTER Key Numeric Keys Unit Keys Delete Key F ns E Figure 2 Ć9: Numeric Keys, Unit Keys, Delete Key , and ENTER Key Numeric Input Examples.
Basic Menu Operation A WG2021 User Manual 2 Ć19 T o change the unit to MHz, press “ 1 ”, “ 2 ”, “ . ”, “ 3 ”, and MHz/ s keys in order .
Basic Menu Operation 2 Ć20 A WG2021 User Manual VALUE CURSOR Figure 2 Ć10: General Purpose Knob and Arr.
Basic Menu Operation A WG2021 User Manual 2 Ć21 Numeric Specification Example. Turning the general purpose knob one click to the right increases the value of the underscored digit by 1. T urning it one click to the left decreases the value by 1. For example, if the value is 173.
Basic Menu Operation A WG2021 User Manual.
A WG2021 User Manual 2 Ć23 Operating Examples In this section, we will use simple examples to illustrate the basic procedures for waveform output on the A WG2021.
Operating Examples 2 Ć24 A WG2021 User Manual Necessary Equipment The following equipment is needed to execute Examples 1 – 6: Digital storage oscilloscope (T ektronix TDS series instrument or .
Operating Examples A WG2021 User Manual 2 Ć25 Figure 2 Ć12: Menu Display (showing Date/T ime item selected) 3. Select Y ear from the side menu. 4. T urn the general purpose knob to set the year to 1994 . 5. In the same manner , select Month , Day , and Hour from the side menu and set the values to February , 1 and 15, respectively .
Operating Examples 2 Ć26 A WG2021 User Manual It is possible to have the date and time constantly displayed on the screen. T o do this, use the following procedure: 1. Select Misc from the bottom menu. 2. Select Display ... from the side menu. 3. Press Date Time in the sub-menu and select On .
Operating Examples A WG2021 User Manual 2 Ć27 In this operation, you will set the display brightness of the screen. The display offers three dif ferent levels of brightness. Use the following procedure to adjust the overall display brightness to the proper level: 1.
Operating Examples 2 Ć28 A WG2021 User Manual Example 2: Output of a W aveform Using the Sample Waveform Library Disk In Example 2, you will output a waveform using the sample waveform library disk, a standard accessory included with the instrument. The sample waveform should be loaded from the floppy disk to the internal memory of the instrument.
Operating Examples A WG2021 User Manual 2 Ć29 Figure 2 Ć16: Sample W aveform Library Disk Files 6. Select Load All from the side menu. The display shown in Figure 2 -17 will appear .
Operating Examples 2 Ć30 A WG2021 User Manual Figure 2 Ć17: CRT Screen Display When Load All is Selected All the files in the lower box on the screen are loaded into internal memory . The loaded files are displayed in the internal memory list in the upper box on the screen.
Operating Examples A WG2021 User Manual 2 Ć31 These parameters are used for waveform output. 1. Press the SETUP button in the MENU column. The SETUP menu is displayed. Figure 2 Ć18: SETUP Menu 2. Select W aveform Sequence from the bottom menu. 3. T urn the general purpose knob to develop the waveform file list.
Operating Examples 2 Ć32 A WG2021 User Manual Figure 2 Ć19: W aveform File List 4. Select O.K . from the sub-menu. The selected file will be confirmed and the output conditions will be automatically set. Figure 2 -20 shows the SETUP menu with the file GAUSS_P .
Operating Examples A WG2021 User Manual 2 Ć33 Figure 2 Ć20: GAUSS_P .WFM File Output Parameters 5. Press the MODE button in the MENU column. The MODE menu is displayed.
Operating Examples 2 Ć34 A WG2021 User Manual Figure 2 Ć21: MODE Menu 6. Select Cont from the bottom menu. When Cont is selected, the waveform is continuously output. 1. Connect this instrument and the oscilloscope with a 50 W cable and a 50 W termination as shown in Figure 2 -22.
Operating Examples A WG2021 User Manual 2 Ć35 2. Press the front panel CH1 On/Off button to switch on waveform output. Figure 2 -23 shows the channel On/Off button and indicator .
Operating Examples 2 Ć36 A WG2021 User Manual Example 3: Creating Files and Arbitrary W aveform Outputs When using the instrument for arbitrary waveform output, you should first use the editors in the EDIT menu to create the waveform to be output.
Operating Examples A WG2021 User Manual 2 Ć37 Figure 2 Ć24: Initial Menu 2. Select New W aveform from the side menu. Figure 2 -25 shows the waveform editor graphic menu.
Operating Examples 2 Ć38 A WG2021 User Manual Figure 2 Ć25: W aveform Editor Graphic Menu 3. Press the front panel CURSOR button to activate the right side vertical bar cursor (it becomes a solid line). Pressing the CURSOR button toggles the selected vertical bar cursor from right to left and back again.
Operating Examples A WG2021 User Manual 2 Ć39 Figure 2 Ć26: Setting the Point V alue for the Right Side V ertical Bar Cursor 5. Select Standard W aveform from the bottom menu. 6. Select T ype from the side menu. 7. T urn the general purpose knob to select Sine .
Operating Examples 2 Ć40 A WG2021 User Manual Figure 2 Ć27: Creating a Sine W aveform 11 . Press the CURSOR button to activate the right side vertical bar cursor . 12. Press the following key sequence: 9 , 9 , 9 , ENTER . This sets the point value to 999 .
Operating Examples A WG2021 User Manual 2 Ć41 Figure 2 Ć28: Creating a Ramp W aveform This completes the waveform creation. Next, name the waveform file and exit the waveform editor . 22. Select Close/Write from the bottom menu. 23. Select Write and Close from the side menu.
Operating Examples 2 Ć42 A WG2021 User Manual Figure 2 Ć29: Naming a File 25. When you finish inputting the file name, select O.K . from the sub menu.
Operating Examples A WG2021 User Manual 2 Ć43 Figure 2 Ć30: Initial Menu File List.
Operating Examples 2 Ć44 A WG2021 User Manual Arbitrary waveforms can be created on the graphic display with the POINT DRA W function. Use the following procedure to make a copy of the file SAMPLE–1.WFM created in the previous operation. 1. In the initial EDIT menu, select Copy bottom menu.
Operating Examples A WG2021 User Manual 2 Ć45 6. Select Edit from the side menu. The SAMPLE–2 waveform file will appear on the screen. Y ou will now set the range for waveform creation. The arbitrary waveform will be created within this range using the Point Draw function.
Operating Examples 2 Ć46 A WG2021 User Manual 12. Select Draw ... from the side menu. The first point will be drawn. 13. Press the V ALUE button on the front panel to determine the direction in which the point cursor will move. 14. Using the general purpose knob, move the point cursor to draw another point.
Operating Examples A WG2021 User Manual 2 Ć47 If smoothing is turned off, linear interpolation will be performed and the points that have been drawn and the curve outside the area marked by the vertical cursors will be connected using straight lines.
Operating Examples 2 Ć48 A WG2021 User Manual Y ou will now add a noise waveform to the sine waveform. 1. Select New W aveform from the side menu in the initial EDIT menu. 2. Select Standard W aveform from the bottom menu. 3. Select Amplitude from the side menu.
Operating Examples A WG2021 User Manual 2 Ć49 8. Using the general purpose knob, select Add Noise . 9. Select Amplitude from the side menu. 10. Press “ . ”, “ 3 ”, and ENTER in that order . 11 . Select Execute from the side menu. Noise will be added to the sine wave, as shown in Figure 2 -36.
Operating Examples 2 Ć50 A WG2021 User Manual This procedure is used to create a waveform using an equation. 1. Select New Equation from the side menu. Figure 2 -37 shows the equation editor menu. Figure 2 Ć37: Equation Editor Menu Display T o initially define an equation, you must specify its region in time.
Operating Examples A WG2021 User Manual 2 Ć51 . Y ou can use the general purpose knob to select an item from within the component menu. After selecting an item, pr ess the fr ont panel V ALUE button or ENTER button to enter the selected item into the equation list.
Operating Examples 2 Ć52 A WG2021 User Manual Figure 2 Ć39: Display of Compiled W aveform Data 7. Select Continue Operation from the side menu to return the system to the previous equation edit menu. 8. Select Exit/Write from the bottom menu. 9. Select Write and Exit from the side menu.
Operating Examples A WG2021 User Manual 2 Ć53 Figure 2 Ć40: Initial Menu File List.
Operating Examples 2 Ć54 A WG2021 User Manual In this procedure, you will create a sequence file that combines two files: the waveform file created with the waveform editor ( SAMPLE–1.WFM ) and the waveform file created with the equation editor and then compiled ( SAM- PLE–4.
Operating Examples A WG2021 User Manual 2 Ć55 5. Repeat Steps 2 through 4 to enter SAMPLE–4.WFM in the second line of the Destination list. The repetition count for this file should be set to 1 ; since this is the default value, there is no need to change it.
Operating Examples 2 Ć56 A WG2021 User Manual Figure 2 Ć43: Sequence W aveform Display With Show Overview Selected 7. After verifying waveform, select Continue Operation from the side menu to return the system to the previous sequence edit menu. 8. Select Exit/Write from the bottom menu.
Operating Examples A WG2021 User Manual 2 Ć57 In this operation, you will program waveforms to be output, using the files you have created in the previous operations to form an autostep file. 1. Select New Autostep on the second page of the side menu in the initial EDIT menu.
Operating Examples 2 Ć58 A WG2021 User Manual Figure 2 Ć45: File List 4. Using the general purpose knob, select the SAMPLE–1.WFM file. 5. Select Set from the side menu. The waveform and output parameters for the SAMPLE–1.WFM file will appear . Figure 2 Ć46: Setting File Y ou will now set the CH1 file for Step 2.
Operating Examples A WG2021 User Manual 2 Ć59 The Step 2 display will appear . 8. Using the procedure described in Steps 2 – 5 above, set the CH1 file for Step 2 ( SAMPLE–3 ). Figure 2 Ć47: Setting the File for Step 2 9. Using the procedure described in Steps 2 – 8 above, set the CH1 file for Step 3 ( SAMPLE–4 ).
Operating Examples 2 Ć60 A WG2021 User Manual 12. Enter SAMPLE–6 as the name for the autostep file. See Step 24 of the waveform file creation procedure for instructions on how to enter the file name. 13. When the file name has been entered, select O.
Operating Examples A WG2021 User Manual 2 Ć61 7. Use the numeric and unit keys to input 1 , MHz , in order , to set the clock frequency . 8. Press the Source button in the side menu to select Internal . 9. Select Amplitude from the bottom menu. 10. Select CH1 from the side menu.
Operating Examples 2 Ć62 A WG2021 User Manual Now use an oscilloscope to see what type of waveform is generated. Connect the A WG2021 to a oscilloscope using a 50 W cable and a 50 W termination as shown in Figure 2 -51. The waveform output for this instrument is calibrated for a 50 W load.
Operating Examples A WG2021 User Manual 2 Ć63 Figure 2 Ć52: MODE Menu 2. Select Cont from the bottom menu. This operation mode continuously outputs the set waveform. Also, “ Run- ning ” is displayed in the trigger status area on the upper right section of the screen to show that the set waveform is being output.
Operating Examples 2 Ć64 A WG2021 User Manual Figure 2 Ć53: Setting the Marker Default T riggered Mode. In the following steps, set the operation mode to T riggered and generate the trigger signal with the TRIGGER MANUAL button to control the waveform output.
Operating Examples A WG2021 User Manual 2 Ć65 Figure 2 Ć54: Menu Displayed When T riggered is Selected Figure 2 -55 shows the MANUAL button and the TRIGGER INPUT connector for inputting an external trigger signal.
Operating Examples 2 Ć66 A WG2021 User Manual 5. Press the MANUAL button. Check the oscilloscope to see that each time you press the MANUAL button, a set waveform is output once.
Operating Examples A WG2021 User Manual 2 Ć67 Figure 2 Ć57: Autostep File List 8. Using the general purpose knob, select the SAMPLE–6.AST file. In this example, there is only one file in the list, so it will already be selected. 9. Select O.K. from the sub-menu.
Operating Examples 2 Ć68 A WG2021 User Manual Example 4: Loading and Saving Files . When the instrument is switched off, the data in the internal memory is erased. Accor dingly , it is necessary to copy any files that have been cr eated or edited onto a floppy disk or into the instrument’ s internal non - volatile memory (NVRam).
Operating Examples A WG2021 User Manual 2 Ć69 Figure 2 Ć58: SA VE Menu 5. Select Save All from the side menu. When Save All is selected, all the files in internal memory (listed in the upper screen) are saved to the NVRam.
Operating Examples 2 Ć70 A WG2021 User Manual Figure 2 Ć59: Files Saved in NVRam When Save is selected from the side menu, only the file displayed inverted in the internal memory list is saved to NVRam. 6. Check to make sure that Auto Load in the bottom menu is Off .
Operating Examples A WG2021 User Manual 2 Ć71 The following procedure loads files into internal memory . 1. Press the LOAD/SA VE button in the MENU column. Make sure that there are no files in the internal memory file list in the upper screen (see Figure 2 -60).
Operating Examples 2 Ć72 A WG2021 User Manual Figure 2 Ć61: Files Loaded into Internal Memory When you select Load from the side menu, the file displayed in inverted video in the NVRam list is loaded into internal memory .
Operating Examples A WG2021 User Manual 2 Ć73 Using the Auto Load process, it is possible to automatically load files from a designated device into the instrument’ s internal memory when the power to the instrument is turned on. Y ou can do this with the following procedure: 1.
Operating Examples 2 Ć74 A WG2021 User Manual Example 5: Loading W aveforms From Other Instruments The A WG2021 can transfer waveforms via a GPIB cable from a digital storage oscilloscope (DSO). In Example 5, you will transfer waveforms from a T ektronix TDS series digital storage oscilloscope.
Operating Examples A WG2021 User Manual 2 Ć75 m Figure 2 Ć63: DSO Screen 3. Press the MENU column LOAD/SA VE button for the A WG2021. 4. Select Device from the bottom menu. 5. Select GPIB from the side menu.
Operating Examples 2 Ć76 A WG2021 User Manual 6. Select Load from the bottom menu. 7. Use the general purpose knob to select the name of the DSO instrument connected to the instrument and the transferring source from the Name column in the GPIB Source list.
Operating Examples A WG2021 User Manual If Load Without Preamble in the side menu is selected, the waveform preamble will not be loaded (in other words, only the waveform data will be loaded). In such cases, all parameters will be set to the default values of the output parameters.
Operating Examples 2 Ć78 A WG2021 User Manual Example 6: Using the W aveform Function Generator The instrument is equipped with a waveform function generator for generating simple waveform functions. Pressing the F. G button on the front panel will change the mode to function generator ( FG ) mode and enable you to set various waveform parameters.
Operating Examples A WG2021 User Manual 2. Select Frequency from the side menu. 3. Press 1 and the MHz/ s key in the Unit key to input the frequency with the numeric keys. 4. T o set the frequency with the general purpose knob, select the index digit for input with the front panel arrow buttons ( ← / → ).
Operating Examples 2 Ć80 A WG2021 User Manual Figure 2 Ć67: CH1 Output Parameter Setting Display This completes the sine–wave output parameter setting.
Operating Examples A WG2021 User Manual 2 Ć81 Connect the A WG2021 to an oscilloscope with 50 W cables and 50 W termina- tions as shown in Figure 2 -68.
Operating Examples A WG2021 User Manual.
A WG2021 User Manual 3 Ć1 Introduction Section 3 will describe in detail the functions contained in each of the menus. EDIT Menu SETUP Menu MODE Menu LOAD/SA VE Menu UTILITY Menu FG Menu Each section will describe menu functions in the following order: Menu Structure.
Introduction 3 Ć2 A WG2021 User Manual Select this button to execute the currently selected menu function. For example, in the Draw ... menu, pressing this button will cause the waveform to be drawn; in the Shift... menu, it will cause the waveform to move.
A WG2021 User Manual 3 Ć3 EDIT Menu General Description T o use the A WG2021 to output arbitrary waveforms, you must first create a file for the waveform to be output. There are four file types, each created by a different editor . Files created in this manner will have an extension after the file name that identifies what type of file they are.
EDIT Menu 3 Ć4 A WG2021 User Manual Initial Menu T o create or edit waveform files, press the EDIT button of the MENU column to display the initial menu. Figure 3 -1 shows the structure of the initial EDIT menu. MENU Button Bottom Menu Side Menu Editor Initial Menu New Equation .
EDIT Menu A WG2021 User Manual 3 Ć5 The following list shows the functions available for each menu item and the page on which you can find a description of that function. T able 3Ć1: Menu Functions Menu Function Page Edit Editing an existing file 3 Ć7 New W aveform Creating a new file (.
EDIT Menu 3 Ć6 A WG2021 User Manual Figure 3 -2 shows the initial menu of the EDIT . A description for each callout follows. 1 4 2 3 Figure 3 Ć2: Display of the Initial Menu (1) Catalog:Memory .
EDIT Menu A WG2021 User Manual 3 Ć7 (4) File List .
EDIT Menu 3 Ć8 A WG2021 User Manual 3. Select Edit from the side menu. The system automatically enters the editor appropriate for the file-type extension so the selected file can be edited.
EDIT Menu A WG2021 User Manual 3 Ć9 Figure 3 Ć3: Menu Displayed When Rename is Selected Before entering the new file name, you must delete the current file name. 3. T o delete a character, press the Delete button on the front panel. This deletes the character right before the cursor .
EDIT Menu 3 Ć10 A WG2021 User Manual When O.K. is selected, the file is saved into internal memory with the changed file name and displayed in the file list on the CR T screen.
EDIT Menu A WG2021 User Manual 3 Ć1 1 Figure 3 Ć4: Menu Displayed When Delete is Selected If you select O.K. from the side menu, the file is deleted. If you decide not to delete the file, select Cancel . When either O.K. or Cancel is selected, the system returns to the initial menu.
EDIT Menu 3 Ć12 A WG2021 User Manual Figure 3 Ć5: Menu Displayed When Lock is Selected 3. Select Delete from the bottom menu. Check to make sure that the words “ File locked. ” is displayed in the message area to indicate that it is not possible to delete the file.
EDIT Menu A WG2021 User Manual 3 Ć13 3. Select Expand SEQ into WFM from the side menu. Y ou will be asked to provide a name for the resulting waveform file. See Figure 3 -6. If necessary , change the default name. See “Renaming a File” described above.
EDIT Menu 3 Ć14 A WG2021 User Manual W aveform Editor Use the waveform editor to create or edit waveform files with the extension of .WFM . W aveform files contain waveform data, marker signal data, and the waveform output parameters set with the SETUP menu.
EDIT Menu A WG2021 User Manual 3 Ć15 Figure 3 Ć7: Graphic CRT Display In graphic display , the waveform is created or edited with the waveform displayed in the waveform editor in graphic display . For details on the different formats, see “T iming Display” and “T able Display”.
EDIT Menu 3 Ć16 A WG2021 User Manual Figure 3 Ć8: W aveform Editor With Three Editing Areas When there is more than one waveform displayed in the waveform editor , the following menu items will be added: Cursor Link to... will be added to the Setting menu item.
EDIT Menu A WG2021 User Manual 3 Ć17 Compare... Used to compare the waveform in the area desig- nated by the vertical bar cursors with the waveform in another editing area. In this example, you will select three waveforms in the waveform editor . The following procedure starts in the initial EDIT menu.
EDIT Menu 3 Ć18 A WG2021 User Manual 5. Select O.K. from the sub-menu. When this is done, W aveform2 will be added to the side menu and the W aveform2 editing area will appear on the screen. See Figure 3 -10. Figure 3 Ć10: W aveform2 Added 6. Select Another W aveform from the side menu.
EDIT Menu A WG2021 User Manual 3 Ć19 Figure 3 Ć1 1: Menu Display When Show Catalog Entry is Selected 9. Select Continue from the sub-menu. 10. Select O.K. from the sub-menu. W aveform3 will be added to the side menu and the W aveform3 editing area will appear on the screen.
EDIT Menu 3 Ć20 A WG2021 User Manual The three waveform items ( W aveform1 , W aveform2 and W aveform3 ) will be displayed in the side menu. Y ou will select the waveform to be edited from these items. 11 . Select W aveform2 from the side menu. A box will appear around the editing area to indicate that this waveform has been selected.
EDIT Menu A WG2021 User Manual 3 Ć21 as is and a new file is created with the new file name. If you select Cancel , the input file name is canceled and the system returns to the editor without saving the data into internal memory . Although the created or edited data is not saved at this time, it is retained for further editing.
EDIT Menu A WG2021 User Manual 4. Press the front panel V ALUE button. The selected character is inserted immediately before the cursor . 5. Repeat Steps 3 and 4 until the entire file name has been entered. In this example, we will enter the name SAMPLE .
EDIT Menu A WG2021 User Manual 3 Ć23 Graphic Display In graphic display , the waveform is displayed in graphic form in the waveform editor and it is created or edited in that form. The horizontal axis indicates time or number of points, while the vertical axis indicates the levels.
EDIT Menu 3 Ć24 A WG2021 User Manual Select/Open Operation W aveform1 W aveform3 W aveform2 Another W aveform Cut Copy to Buffer W aveform Editor *1 *1 Draw .
EDIT Menu A WG2021 User Manual 3 Ć25 Bottom Menu Side Menu Sub Ć Menu Undo Write Close/Write Write and Close Close without Writing Horiz.Unit Setting View type... Graphic Timing T able W aveformx W aveformxx Link Off Grid W aveform Points Clock *5 Cursor Link to.
EDIT Menu 3 Ć26 A WG2021 User Manual The following list describes the functions for each of the menu items and gives the number of the page on which you can find a more detailed explanation of that item.
EDIT Menu A WG2021 User Manual 3 Ć27 T able 3Ć2: Menu Functions (Cont.) Menu Page Function #! %! !# "#! $#.
EDIT Menu 3 Ć28 A WG2021 User Manual (3) D $ ! ! ! "! !$ ! ! ! #! .
EDIT Menu A WG2021 User Manual 3 Ć29 Cursor Link to... Linking the vertical bar cursors Grid Displaying a grid in the editing area . These settings ar e the same in all display formats (graphic, timing and table). In the following section, each of these items will be discussed in detail.
EDIT Menu A WG2021 User Manual When you create a new waveform file, the waveform point size is set to the default value of 1000. T echnically , you can change this size to any value up to 262,144 points and edit the waveform data as desired.
EDIT Menu A WG2021 User Manual 3 Ć31 Append 0 “0” (7FF) values will be added after the data until a size of a multiple of 8 is reached. Expand The data will be interpolated and expanded to make it a multiple of 8.
EDIT Menu 3 Ć32 A WG2021 User Manual Time Sets the horizontal axis unit to time. The cursor position data at the top of the CR T is displayed in time and data can be edited in time units. Point Sets the horizontal axis unit to points. The cursor position data at the top of the CR T is displayed in points and data can be edited in points.
EDIT Menu A WG2021 User Manual 3 Ć33 250 MHz, waveform data can be edited at a resolution of 4 ns. Figure 3 -17 shows the Setting menu for Clock . Figure 3 Ć17: Menu Displayed When Clock is Selected 1. Select Setting from the bottom menu. 2. Press the Horiz.
EDIT Menu 3 Ć34 A WG2021 User Manual editing area 2 to move the same distance. The following diagram shows the menu configuration. .
EDIT Menu A WG2021 User Manual 3 Ć35 2. Select W aveform2 from the side menu. 3. Select Setting from the bottom menu. 4. Select More 1 of 2 from the side menu and then select Cursor Link to... . 5. Select W aveform1 from the sub-menu. 1 z will appear at the top of editing area 2.
EDIT Menu 3 Ć36 A WG2021 User Manual Figure 3 Ć19: Grid Set to On 1. Select Setting from the bottom menu. 2. Select More 1 of 2 from the side menu. 3. Press the Grid button in the side menu and select On . A grid will appear in the editing area. .
EDIT Menu A WG2021 User Manual 3 Ć37 When you select the Standard W aveform item, a function waveform is created in the area between the specified vertical bar cursors, or a waveform is created through calculation of the original waveform and a function waveform.
EDIT Menu 3 Ć38 A WG2021 User Manual Setting the Parameters for Function W aveforms. The following parameters can be set for each type of function waveform designated with the T ype command. Note, however , that only Amplitude and Offset can be set for a Noise waveform, while only Offset can be set for a DC waveform.
EDIT Menu A WG2021 User Manual 3 Ć39 Figure 3 Ć20: Creating a Sine W ave Procedure 2: Adding a W aveform to Existing Data. In this example, you will add noise to the sine wave you created in Procedure 1. The procedure starts from where you left off in Procedure 1.
EDIT Menu 3 Ć40 A WG2021 User Manual Figure 3 Ć21: Adding Noise to the Sine W ave . Portions of the waveform that pr otrude outside the editing ar ea when the other waveform is added will be clipped. Procedure 3: Multiplying W aveforms.
EDIT Menu A WG2021 User Manual 3 Ć41 4. Select Amplitude from the side menu. Using the numeric keys or the general purpose knob, set the p-p amplitude for the sine wave to 1. 5. Select Execute from the side menu. When you select Execute , the sine wave between the vertical bar cursors will be multiplied by the different frequency sine wave.
EDIT Menu 3 Ć42 A WG2021 User Manual Invert... Invert function Clip... Clip function Marker ... Setting a marker Insert Other W aveform Inserting other waveforms Single W aveform Math... Single waveform calculations Dual W aveform Math.... Calculations with other waveform data Region Shift.
EDIT Menu A WG2021 User Manual 3 Ć43 Figure 3 Ć23: Defining the Editing Area Subsequent editing operations will be performed in the area that you have set between the left and right vertical bar cursors.
EDIT Menu 3 Ć44 A WG2021 User Manual Figure 3 -24 shows an example of a waveform before and after a section is cut. Note that only the section between the two vertical bar cursors is removed including the bar cursors.
EDIT Menu A WG2021 User Manual 3 Ć45 There are no sub-menus associated with these commands; when they are selected, the copy or paste operation is performed instantly . Marker signals associated with that waveform data are also subjected to the copy and paste operations.
EDIT Menu 3 Ć46 A WG2021 User Manual When Paste from Buffer is selected, the waveform data copied into the paste buffer with the copy processing is pasted directly before the active vertical bar cursor . The left and right vertical bar cursors move to the two ends of the pasted waveform data.
EDIT Menu A WG2021 User Manual 3 Ć47 3 1 2 Figure 3 Ć26: Menu Display When Draw ... is Selected (1) Point Cursor .
EDIT Menu A WG2021 User Manual 3. Use the general purpose knob to move the point cursor to the location where you want to place a point. Each time the front panel V ALUE button is pressed, the direction of movement for the point cursor switches between horizontal (X) and vertical (Y).
EDIT Menu A WG2021 User Manual 3 Ć49 11 . Select Execute from the sub-menu. The points between the vertical bar cursors will be connected with straight lines, as shown in the right screen in Figure 3 -27.
EDIT Menu A WG2021 User Manual In the horizontal direction, the shift value is the number of points or time; in the vertical direction, the shift value is specified with the vertical value. 1. Move the left and right vertical bar cursors to define the section of the waveform to be shifted.
EDIT Menu A WG2021 User Manual 3 Ć51 Figure 3 Ć28: Horizontally Shifted Display 6. Press the Shift button in the sub-menu to select V ertical . 7. Select V alue from the sub-menu. Use the general purpose knob or the numeric keys to input the shift point value.
EDIT Menu 3 Ć52 A WG2021 User Manual Figure 3 Ć29: V ertically Shifted Display 9. Select Go Back from the sub-menu. Scaling Function. Use Scale... to change the scale for the waveform data between the vertical bar cursors.
EDIT Menu A WG2021 User Manual 3 Ć53 of points for the entire waveform can not exceed 262 144, so if x100 scaling would give more total points than that, the maximum setting factor drops to the one that gives 262 144 points. A negative factor reverses the waveform between the vertical bar cursors creating a mirror image.
EDIT Menu 3 Ć54 A WG2021 User Manual 6. Press the Scale button in the sub-menu to select V ertical . 7. Select Origin from the sub-menu. Use the numeric keys or the general purpose knob to input the numeric value of the origin. This value is used as a reference when scaling vertically .
EDIT Menu A WG2021 User Manual 3 Ć55 11 . Select Go Back from the sub-menu. The system moves from the Scale... sub-menu to the previous side menu. Invert Function. Use Invert... to invert the waveform data in the area specified with the vertical bar cursors either up/down or left/right.
EDIT Menu 3 Ć56 A WG2021 User Manual 4. Press the Invert button in the sub-menu to select V ertical . 5. Select Execute from the sub-menu. The waveform is inverted vertically with the specified conditions. Figure 3 -33 shows an example of the waveform before and after it is inverted vertically .
EDIT Menu A WG2021 User Manual 3 Ć57 The Clip sub-menu item selects the area of the waveform data between the vertical bar cursors to be clipped. Either the area above the clip level ( Upper ) or below the clip level ( Lower ) can be selected. 3. Select Level from the sub-menu.
EDIT Menu A WG2021 User Manual Operation (More 3 of 3) Marker ... Set Pattern Set High Set Low Clear Pattern Cancel O.K. Key Data 1 Bit 4 Bits Import Line Data / User defined Code Config... Initial Src Initial Code Out [I/O] High/Low Invert/Keep 0 0 1 1 Go Back 1 2 Marker .
EDIT Menu A WG2021 User Manual 3 Ć59 Figure 3 Ć35: Marker Signal 1 Set High 4. Select Go Back from the sub-menu. The system returns from the Marker .
EDIT Menu 3 Ć60 A WG2021 User Manual For detailed instructions on pattern setting, see “Setting Pattern Data” in the timing display in this section as well as “Pattern Codes” in Appendix F .
EDIT Menu A WG2021 User Manual 3 Ć61 2. Use the general purpose knob to move the active vertical bar cursor to the position where the other waveform is to be inserted. Figure 3 Ć37: Defining the Location for Insertion The waveform is inserted right before the active vertical bar cursor .
EDIT Menu 3 Ć62 A WG2021 User Manual Figure 3 Ć38: List of Files for Insertion 5. Select the Show Catalog Entry from the sub-menu. The waveform for the selected file is displayed. Figure 3 Ć39: File W aveform Display 6. Select O.K. from the sub-menu.
EDIT Menu A WG2021 User Manual 3 Ć63 Figure 3 Ć40: Inserting W aveforms Single W aveform Calculations. The Single W aveform Math... item allows you to perform mathematical calculations for the waveform itself. Calculations are applied to the portion of the waveform between the vertical bar cursors.
EDIT Menu 3 Ć64 A WG2021 User Manual Operation (More 3 of 3) Single W aveform Math... T ype Go Back Execute Absolute Square Cube Square Root Normalize Integral Differential T o derive the Absolute value for the amplitude of a sine wave between the vertical bar cursors: 1.
EDIT Menu A WG2021 User Manual 3 Ć65 Figure 3 Ć42: Absolute Calculation 7. Select Go Back from the sub-menu. The system returns from the Single W aveform Math... sub-menu to the side menu. Calculation Examples. The following diagrams show examples of a waveform before and after various calculations are performed.
EDIT Menu 3 Ć66 A WG2021 User Manual Cube. T riples the amplitude Figure 3 Ć44: Cube Calculation Square Root.
EDIT Menu A WG2021 User Manual 3 Ć67 Normalize. Normalizes the amplitude Figure 3 Ć46: Normalize Calculation Integral.
EDIT Menu 3 Ć68 A WG2021 User Manual Differential. Dif ferentiating the amplitude. Figure 3 Ć48: Differential Calculation Calculations With Other W aveform Data. Use Dual W aveform Math... to perform math calculations with the waveform currently being edited and other waveform data.
EDIT Menu A WG2021 User Manual 3 Ć69 1. Create the waveform to be operated on with the other waveform file data. Figure 3 -49 shows the example of waveform before the arithmetic opera- tions. Figure 3 Ć49: Example of W aveform Before Arithmetic Operations 2.
EDIT Menu 3 Ć70 A WG2021 User Manual Figure 3 Ć50: List of Files for W aveform Calculation 6. Select Show Catalog Entry from the sub-menu. The waveform for the selected file is displayed. See Figure 3 -51. Figure 3 Ć51: Selected File W aveform Display 7.
EDIT Menu A WG2021 User Manual 3 Ć71 before Dual W aveform Math... was selected. Figure 3 -52 displays the waveforms added ( Add ) between the vertical bar cursors. Figure 3 Ć52: W aveform Addition Display If you select Cancel , the menu returns to the menu on display before Dual W aveform Math.
EDIT Menu 3 Ć72 A WG2021 User Manual Interpolation Linear Quadratic Replace Add Smooth +/- Points Include Operation ( More 4 of 4 ) Region Shift... T ype Shift Scale V alue Config... Go Back Execute Go Back Left Right Expand Compress Data V alue Cursor Point Exclude T able 3-3 lists the differences between this function and the Shift function .
EDIT Menu A WG2021 User Manual 3 Ć73 ! ! .
EDIT Menu A WG2021 User Manual Compress . In this case the value of the shift must be less than one half the size of the area surrounded by the left and right vertical bar cursors. The section that exceeds the position of one half the region is lost after the shift if the Data V alue item (described below) is set to Replace .
EDIT Menu A WG2021 User Manual 3 Ć75 Interpolation. The data is re-sampled when shifting by fractional amounts. Data values between data points are acquired by interpolation. The Inter- polation item selects the interpolation method used. The following two options are provided.
EDIT Menu 3 Ć76 A WG2021 User Manual Figure 3 Ć56: Quadratic Interpolation Quadratic interpolation is expressed as follows.
EDIT Menu A WG2021 User Manual 3 Ć77 Data V alue. This item selects the handling of overlapping regions in the shift. Add The shifted data and the overlapping data are added. Replace Replaces the region with the shifted data. When T ype is Compress , the data for points shifted beyond the center is lost.
EDIT Menu 3 Ć78 A WG2021 User Manual Figure 3 Ć58: Smoothing . Since smoothing is equivalent to low pass filtering, featur es of the original waveform can be lost r esulting in significant changes to the waveform.
EDIT Menu A WG2021 User Manual 3 Ć79 2) Set the Cursor Point setting to Exclude . 3) Apply smoothing. However , there are waveforms for which smoothing may not be effective. Increasing the Size of the Area. Data that is identical across the operation can be acquired by increasing the size of the area.
EDIT Menu 3 Ć80 A WG2021 User Manual T o designate a second editing area in the waveform editor: 1. Choose Select/Open from the bottom menu. 2. Select Another W aveform from the side menu. 3. Using the general purpose knob, select New W aveform from the waveform list and then select O.
EDIT Menu A WG2021 User Manual 3 Ć81 . Copying will include the point at which the cursor is located. The value indicated by at the top of the waveform ar ea indicates the number of .
EDIT Menu 3 Ć82 A WG2021 User Manual Figure 3 Ć63: Setting the Copy Destination T o copy the waveform: 10. Select Operation from the bottom menu. 11 .
EDIT Menu A WG2021 User Manual 3 Ć83 14. Select Execute from the sub-menu. If the number of points in the waveform between the vertical bar cursors in the copy source is the same as the value set for Interval , the copied waveform will be displayed repeating at the interval designated with Interval .
EDIT Menu 3 Ć84 A WG2021 User Manual Figure 3 Ć65: W aveform Copying (number of points in waveform < Interval value) If the number of points in the waveform between the vertical bar cursors in the copy source is greater than the value set for Interval , the overlapping portion will be added to the waveform.
EDIT Menu A WG2021 User Manual 3 Ć85 15. Select Go Back from the current sub-menu. The display moves from the Multiple Copy ... sub-menu to the side menu. Convolution Calculations. The Convolute... menu item appears when two or more waveforms are being edited.
EDIT Menu 3 Ć86 A WG2021 User Manual Figure 3 Ć67: W aveforms Used for W aveform1 and W aveform2 The procedure after the two waveforms have been set in each editing area is as follows: Setting the convolution range 1.
EDIT Menu A WG2021 User Manual 3 Ć87 9. Using the numeric keys or the general purpose knob, set the positions of the left and right vertical bar cursors to define the section of the waveform for convolution. In this example, we will set the left cursor to point 0 and the right cursor to point 767.
EDIT Menu 3 Ć88 A WG2021 User Manual 13. Select Go Back from the current sub-menu. The display moves from the Convolute... sub-menu to the side menu. Comparing W aveforms. The Compare... item appears when two or more waveforms are being edited simultaneously .
EDIT Menu A WG2021 User Manual 2. Select W aveform1 from the side menu. This waveform will be the reference for comparison. 3. Press the CURSOR button on the front panel.
EDIT Menu 3 Ć90 A WG2021 User Manual Figure 3 Ć69: Compare... Item Selected 10. Press the Set Result to button in the sub-menu to select MARKER1 . This item is used to set where the results of comparison will be displayed. 11 . If you would like to apply hysteresis to the reference waveform, select Hysteresis and enter a value.
EDIT Menu A WG2021 User Manual 3 Ć91 As there is less data in the Source waveform than the destination waveform, data at level 0 (in other words, a straight line) has been automatically added from point 626 to point 875 in the Source waveform.
EDIT Menu 3 Ć92 A WG2021 User Manual Figure 3 Ć71: Comparison With Hysteresis 13.
EDIT Menu A WG2021 User Manual 3 Ć93 Figure 3 Ć72: Zoom Menu Horizontal Zooming. When the waveform is enlarged horizontally using the Horizontal Zoom in item, three additional items are displayed in.
EDIT Menu 3 Ć94 A WG2021 User Manual Figure 3 Ć73: Horizontal Zoom 5. Select Horizontal Zoom in again from the side menu. The degree of enlargement will increase each time the button is pressed. When the maximum enlargement is reached, the Horizontal Zoom in item will disappear .
EDIT Menu A WG2021 User Manual 3 Ć95 V ertical Zooming. When the waveform is enlarged vertically with the V ertical Zoom in item, three new items will be added to the side menu: V ertical Zoom out Used to reduce the waveform. V ertical Zoom fit Used to return to normal waveform size (x1).
EDIT Menu 3 Ć96 A WG2021 User Manual T iming Display T o show the timing display for the waveform editor using the V iew type.... item in the Setting menu follow this procedure. 1. Select Setting from the bottom menu. 2. Select V iew type... from the side menu.
EDIT Menu A WG2021 User Manual 3 Ć97 Figure 3 -76 shows the menu configuration for the timing display . Select/Open Paste from Buffer Operation W aveform1 W aveform3 W aveform2 Another W aveform Cut Copy to Buffer W aveform Editor *1 *1 Set... Shift.
EDIT Menu 3 Ć98 A WG2021 User Manual Undo Setting Close/Write Write Write and Close Close without Writing Clock Horiz.Unit Grid View type... Cursor Link to.
EDIT Menu A WG2021 User Manual 3 Ć99 The following list shows the functions available for each menu item and the page on which you can find a description of that function.
EDIT Menu 3 Ć100 A WG2021 User Manual Figure 3 -77 shows the timing display screen. This section will describe each portion of the screen; however , descriptions of areas that are identical to the graphic display will be omitted. See “Graphic Display Screen” for a description of the graphic display .
EDIT Menu A WG2021 User Manual 3 Ć101 (3) Button Operations ! ! .
EDIT Menu 3 Ć102 A WG2021 User Manual Figure 3 Ć78: Count Up Pattern Display The following parameters can be set: Step The number of points for each data item. This value can be set to 1 – 10. Max The maximum value for the data. This value can be set anywhere between ( Min value + 1) and 4095.
EDIT Menu A WG2021 User Manual 3 Ć103 Figure 3 Ć79: Gray Code Pattern Display Example of W aveform Data Creation. In the following operation, you will replace the data between the vertical bar cursors with a Count Up pattern, with the waveform point size set to 4096.
EDIT Menu 3 Ć104 A WG2021 User Manual Use Operation to edit the waveform data in a variety of ways. The side menu is made up of 3 pages. T o get to the next page of the menu, select More . The following list shows the names and functions of the items in the side menu.
EDIT Menu A WG2021 User Manual 3 Ć105 Setting Data to High/Low . Use Set High and Set Low to set the data lines or marker in the area designated by the right and left vertical bar cursors to either High or Low . 1. Select Set... from the side menu displayed.
EDIT Menu 3 Ć106 A WG2021 User Manual Use Set Pattern to designate pattern data for the part of a data line or marker between the designated vertical bar cursors. Figure 3 -81 shows the pattern data menu that appears when you select Set Pattern from the sub-menu.
EDIT Menu A WG2021 User Manual 3 Ć107 through the rest of the data. The inverted display area in the Pattern Length indicates the portion of the pattern data currently being displayed on the screen. Pattern Length indicates the length of the pattern data that has been entered.
EDIT Menu 3 Ć108 A WG2021 User Manual T o set the point size for each item of pattern data, press the CURSOR button on the front panel and then select Point/Step . A knob icon will appear to the left of the Point/Step area. Pattern Code. Code is used to select the coding system used when the pattern strings are output.
EDIT Menu A WG2021 User Manual 3 Ć109 3. Using the general purpose knob, move the vertical bar cursors to define the area in which the pattern will be set. In this example, we will set the left vertical bar cursor to 250 and the right vertical bar cursor to 750.
EDIT Menu 3 Ć1 10 A WG2021 User Manual Figure 3 Ć82: Setting Pattern Data User defined Code Config... . Users can define their own conversion tables for code conversion. This function enables RLL codes, etc. to be freely defined. For sample codes, see “Pattern Codes” in Appendix F .
EDIT Menu A WG2021 User Manual 3 Ć1 1 1 Figure 3 Ć83: User defined Code Conversion Menu 3. Define the codes as desired (see “Basic Operations” on the following). 4. Select Go Back to return to the Set Pattern menu. 5. Define the pattern data, using the same procedure as in steps 6 – 10 of the sample process for defining pattern data.
EDIT Menu 3 Ć1 12 A WG2021 User Manual Inserting a Blank Line. Pressing the ENTER key causes a blank line to be inserted above the data item marked by the cursor . . Blank lines cannot be inserted if there are more than two consecutive blank lines or if there are more than 16 lines in all.
EDIT Menu A WG2021 User Manual After the first time 6 and 7 appear , 0 will be treated as 6 and 1 will be treated as 7 6 and 7 read the input data and search for the same pattern.
EDIT Menu 3 Ć1 14 A WG2021 User Manual Sample Pattern Conversion. When Source Data Pattern is unaf fected by other conditions Initial Src 0 Initial Code 0 Out[1/0] High/Low Source Data Pattern Conver.
EDIT Menu A WG2021 User Manual 3 Ć1 15 When Source Data Pattern is af fected by other conditions If 4 and 5 are used: Initial Src 0 Initial Code 0 Out[1/0] High/Low Source Data Pattern Converted Code.
EDIT Menu 3 Ć1 16 A WG2021 User Manual If 6 and 7 are used (2): Initial Src 0 Initial Code 0 Out[1/0] High/Low Source Data Pattern Converted Code .
EDIT Menu A WG2021 User Manual 3 Ć1 17 Clear Pattern. When data has been entered in the pattern data input area, the Import Line Data item in the sub-menu will change to Clear Pattern .
EDIT Menu 3 Ć1 18 A WG2021 User Manual Figure 3 Ć84: Shifting W aveform Data 5. Select Go Back from the current sub-menu. The system returns from the Shift... sub-menu to the previous side menu. Use Invert... to invert each data line or marker between the designated vertical bar cursors.
EDIT Menu A WG2021 User Manual 3 Ć1 19 Figure 3 Ć85: Inverting W aveform Data State 4. Select Go Back from the current sub-menu. The system returns from the Invert... sub-menu to the previous side menu. Use Copy line.
EDIT Menu 3 Ć120 A WG2021 User Manual Destination selects the destination to which the waveform data selected with Source will be copied. Data line DA T A 1 1 – DA T A 0 or marker ( MARK- ER ) can be selected as the copy destination. From the copy source to the copy destination is indicated with an arrow .
EDIT Menu A WG2021 User Manual 3 Ć121 2. Select Source from the sub-menu. T urning the general purpose knob, select one of the data lines or marker for data interchange. 3. Select Destination from the sub-menu. T urning the general purpose knob, select the other data line or marker for data interchange.
EDIT Menu 3 Ć122 A WG2021 User Manual ! "! " $ ".
EDIT Menu A WG2021 User Manual 3 Ć123 1. Move the vertical bar cursors to define the section of the data to be expand- ed.
EDIT Menu 3 Ć124 A WG2021 User Manual Use Insert Other W aveform to insert data from another waveform at a designated point in the waveform being edited.
EDIT Menu A WG2021 User Manual 3 Ć125 Use the CURSOR button on the front panel to select the items needed for the shift register . The following items can be selected; the general purpose knob is used to set the desired value for each item.
EDIT Menu 3 Ć126 A WG2021 User Manual code series) bit strings. M series bit strings are combined with several different kinds of tap arrangements. The tap arrangement will change each time the Set Maximal Linear T aps button is pressed. Setting Register V alues.
EDIT Menu A WG2021 User Manual 3 Ć127 1. Select Shift Register Generator ... from the side menu. 2. Select User defined Code Config... from the sub menu. 3. Define the codes as desired. For the basic operations used when defining codes, see “User defined Code Config.
EDIT Menu 3 Ć128 A WG2021 User Manual 6. Select Line from the sub-menu. T urning the general purpose knob, select DA T A1 1 for which you want to set the pattern. 7. Select Register Config... from the sub-menu. 8. Press the CURSOR button on the front panel to select Register Length .
EDIT Menu A WG2021 User Manual 3 Ć129 Zooming W aveforms. The function for this item is the same as for the Zoom item in waveform editor graphic display . See Page 3 -92. T able Display T o show the table display for the waveform editor using the View type.
EDIT Menu 3 Ć130 A WG2021 User Manual Figure 3 -93 shows the menu configuration for the table display . T able Select/Open Paste from Buffer Operation Cut Copy to Buffer W aveform Editor Insert Other W aveform W aveform1 W aveform3 W aveform2 Another W aveform *1 *1 Write and Close Close without Writing Write W aveform Points View type.
EDIT Menu A WG2021 User Manual 3 Ć131 The following list shows the functions available for each menu item and the page on which you can find a description of that function.
EDIT Menu 3 Ć132 A WG2021 User Manual Figure 3 -94 shows the table display screen. This section will describe each portion of the screen; however , descriptions of areas that are identical to the graphic display will be omitted. See “Graphic Display Screen” for a description of the graphic display .
EDIT Menu A WG2021 User Manual 3 Ć133 (5) L ąąV alue # "! V alue $ ! .
EDIT Menu 3 Ć134 A WG2021 User Manual Hexadecimal W aveform data is created using the 0 – 9 and A – F numeric keys. When the cardinal numbers are changed to Hexadeci- mal , numeric keys and unit keys are allocated to A – F .
EDIT Menu A WG2021 User Manual 3 Ć135 W aveform data can be edited at the waveform point, regardless of what item is selected in the bottom menu. Move the line cursor to the data point to be edited. 1. Press the CURSOR button on the front panel to move the line cursor .
EDIT Menu 3 Ć136 A WG2021 User Manual Use these functions cut, copy to the buffer , and paste to any other time or point value within the waveform data area between the upper and lower line cursors. The functions for these items are the same as for the corresponding items in waveform editor graphic display .
EDIT Menu A WG2021 User Manual 3 Ć137 Equation Editor Use the equation editor to edit files with the extension of .EQU . Equation file data takes the form of mathematical equations. An equation program file can have up to 100 lines. An equation file is compiled to create a waveform file and to output the waveform.
EDIT Menu 3 Ć138 A WG2021 User Manual Use Exit/Write in the bottom menu to save the file to the internal memory of the A WG2021 and exit from the editor depending on the selected side menu item. The same procedure is used to save the file and exit from the equation editor as for the waveform editor .
EDIT Menu A WG2021 User Manual 3 Ć139 The following list shows the functions available for each menu item and the page on which you can find a description of that function.
EDIT Menu 3 Ć140 A WG2021 User Manual Figure 3 -98 shows the general equation editor display . A description for each callout follows. 1 3 2 4 5 Figure 3 Ć98: Equation Editor CRT Display (1) File Na.
EDIT Menu A WG2021 User Manual 3 Ć141 (5) Button Operation .
EDIT Menu 3 Ć142 A WG2021 User Manual Select Operation in the bottom menu to create or edit an equation file. When this item is selected, the time range can be designated with the component menu and the equation can be created. Figure 3 -99 shows a menu with Operation in the bottom menu selected.
EDIT Menu A WG2021 User Manual 3 Ć143 Specification of subsequent time ranges use the component menu range( item. The clock frequency is obtained from the total time (period) set with range() and the.
EDIT Menu 3 Ć144 A WG2021 User Manual V ALUE/ENTER buttons. After the CURSOR button has been pressed, pressing the V ALUE or ENTER button makes it possible to select an item from the component menu. In this state, pressing the V ALUE or ENTER button again inserts the items selected from the component menu into the equation list.
EDIT Menu A WG2021 User Manual 3 Ć145 (right) parenthesis. When there are two arguments – for example, range , max , min – they are separated with a , (comma). V ariables. Here are the variables that can be used in an equation. t : T ime from the head of that range() statement.
EDIT Menu 3 Ć146 A WG2021 User Manual k The k0–k9 can be specified; these are constants that may be used in equations. Specifying a new value for the same k# replaces the old value with the new one. If no constant is defined for k , this value will be automati- cally set to 0.
EDIT Menu A WG2021 User Manual 3 Ć147 Example: range(0,100 m s) sin(2*pi*1e4*t) Figure 3 Ć102: T rigonometric Function W aveform Expressed With V ariable t exp( , log( , ln( Exponential function, common log function, natural log function. The log and ln arguments must be positive.
EDIT Menu 3 Ć148 A WG2021 User Manual Example: range(0,100 m s) log(10*(x+0.1)) Figure 3 Ć104: Equation Using log( Example: range(0,100 m s) ln(2*(x+0.
EDIT Menu A WG2021 User Manual 3 Ć149 sqrt( The square root; the argument must be a positive value. Example: range(0,100 m s) sqrt(sin(pi*x)) Figure 3 Ć106: Equation Using sqrt( abs( The absolute value.
EDIT Menu 3 Ć150 A WG2021 User Manual int( T runcates the fraction to obtain the integer . Example: range(0,100 m s) int(5*sin(2*pi*x))/5 Figure 3 Ć108: Equation Using int( round( Rounds off the fraction to obtain the integer .
EDIT Menu A WG2021 User Manual 3 Ć151 norm( Normalizes the range specified with range() and scales the amplitude values so that the maximum absolute value is 1.
EDIT Menu 3 Ć152 A WG2021 User Manual max( T akes the larger of two values. min( T akes the smaller of two values. Example: range(0,100 m s) sin(2*pi*x) range(0,50 m s) min(v ,0.
EDIT Menu A WG2021 User Manual 3 Ć153 rnd ( integer from 1 to 16,777,215) When an argument is specified, generates a random number sequence using that argument as the initial value.
EDIT Menu 3 Ć154 A WG2021 User Manual Figure 3 Ć1 13: W aveform Before Calculation Figure 3 Ć1 14: W aveform After Differentiation Using diff( See “Differentiation” in Appendix F for a discussion of the algorithms for diff functions.
EDIT Menu A WG2021 User Manual 3 Ć155 integ( Integrates the function over the range specified with range() . Specified with integ() . The integ() comprises an entire line. After integ() , specify normalization ( norm() ) as necessary . Example: range(0,33 m s) –0.
EDIT Menu 3 Ć156 A WG2021 User Manual When you select Operation in the bottom menu, the following items appear in the side menu: Cut Line Copy to Buffer Paste from Buffer W ord T able Insert Other Equation Cutting a Line. Use Cut Line to cut out a line in the equation list.
EDIT Menu A WG2021 User Manual 3 Ć157 Insert Other Equation File. Use Insert Other Equation to select an equation file from internal memory (see Figure 3 -1 16). An equation file is inserted from this list into the equation list. Figure 3 Ć1 16: Menu Displayed When Insert Other Equation is Selected 1.
EDIT Menu 3 Ć158 A WG2021 User Manual Figure 3 Ć1 17: Setting W aveform Point Count 1. Select Setting from the bottom menu. 2. Use the numeric keys or the general purpose knob to set the number of waveform points. The default value for the number of waveform points is 1000.
EDIT Menu A WG2021 User Manual 3 Ć159 Use Compile to convert the assembled equation into waveform data and to create a waveform file. This waveform file is given the same name as the equation file it was compiled from. Here is the procedure for compiling the equation to make a waveform file.
EDIT Menu 3 Ć160 A WG2021 User Manual time domain with the syntactical error . Correct the error as instructed by the message, and then compile again. The compiled waveform file contains the settings for the number of waveform points (set with Setting) and the clock frequency (obtained from the total time set with the range item.
EDIT Menu A WG2021 User Manual 3 Ć161 Sequence Editor Use the sequence editor to edit files with the extension of .SEQ . Sequence files assemble a number of waveforms or sequence files in order . The file data contains waveform file names in sequence, their repetition counts, and the sequence waveform output parameters.
EDIT Menu 3 Ć162 A WG2021 User Manual 1. Press the EDIT button in the MENU column. The initial EDIT menu will appear . 2. Select Edit or New Sequence from the side menu. Edit Used to select and edit an existing sequence file ( .SEQ ) New Sequence Used to create a new sequence file The sequence editor screen will appear .
EDIT Menu A WG2021 User Manual 3 Ć163 The following list shows the functions available for each menu item and the page on which you can find a description of that function.
EDIT Menu 3 Ć164 A WG2021 User Manual Figure 3 -121 shows the general sequence editor display . A description for each callout follows. 1 3 2 6 4 5 Figure 3 Ć121: Sequence Editor CRT Display (1) File Name The name of the sequence file being edited; if the name has not been set yet, ********.
EDIT Menu A WG2021 User Manual 3 Ć165 (5) Catalog .
EDIT Menu 3 Ć166 A WG2021 User Manual Select Operation in the bottom menu to create or edit a sequence file. After you have done this, you can select a waveform or sequence file from Catalog and then put together a sequence and set the number of repetitions for that file to create the sequence file.
EDIT Menu A WG2021 User Manual 3 Ć167 When you select Operation in the bottom menu, the following items appear in the side menu: Cut Line Copy to Buffer Paste from Buffer Show Catalog Entry Insert Contents of Sequence (Appears when a sequence file has been selected with Catalog ) Cutting a Line.
EDIT Menu 3 Ć168 A WG2021 User Manual Catalog File W aveform Display . Use this item to observe the waveforms of the files being assembled into the sequence. 1. Select Operation from the bottom menu. 2. Use the general purpose knob to select the file you want to observe from the Catalog .
EDIT Menu A WG2021 User Manual 3 Ć169 . When cr eating a sequence file you cannot use sour ce–sequence files that contain other sequence files. If you try to do this, a message will be displayed. In this case, you can use the Insert Contents of Sequence item to develop the sequence and insert it.
EDIT Menu 3 Ć170 A WG2021 User Manual Figure 3 Ć123: Example of CRT Display When Show Overview is Selected 2. After observing the waveform, select Continue Operation from the side menu to return to the sequence editor .
EDIT Menu A WG2021 User Manual 3 Ć171 Autostep Editor Use the autostep editor to edit files with the extension of .AST . Autostep files are created by programming waveforms or sequence files. Each time a trigger signal is received, the waveform changes to the waveform for the next step, in accordance with the program.
EDIT Menu 3 Ć172 A WG2021 User Manual Figure 3 Ć124: Autostep File Data and Output W aveforms 1. Press the EDIT button in the MENU column.
EDIT Menu A WG2021 User Manual 3 Ć173 The Autostep Editor menu has the structure shown in Figure 3 -125. Operation Cut Step Copy Step Paste Step Insert New Step Swap Channel Contents... Autostep Editor Exit without Writing Exit/Write Write and Exit Write Undo Append New Step Insert Current SETUP Jump Step No.
EDIT Menu 3 Ć174 A WG2021 User Manual The following list shows the functions available for each menu item and the page on which you can find a description of that function.
EDIT Menu A WG2021 User Manual 3 Ć175 Figure 3 -126 shows the general autostep editor display . A description for each callout follows. 1 3 2 4 5 6 Figure 3 Ć126: Autostep Editor CRT Display (1) File Name The name of the autostep file being edited; if the name has not been set yet, ********.
EDIT Menu 3 Ć176 A WG2021 User Manual (5) Clock Frequency and CH1 Operation Indicates the clock frequency and CH1 operation mode that have been saved to the CH1 file. These output parameters may be changed. (6) Button Operation This area shows how the front panel buttons operate in this menu.
EDIT Menu A WG2021 User Manual 3 Ć177 Select Operation from the bottom menu to create or edit autostep programs. Up to 100 steps can be programmed. If blank steps exist in the autostep program that has been created, these steps will be deleted when you quit the editor .
EDIT Menu 3 Ć178 A WG2021 User Manual 3. Press the V ALUE button on the front panel. A list of files that can be set will appear . Figure 3 Ć128: File Selection List 4. Using the general purpose knob, select the desired file. 5. If you want to check the waveform of the selected file, select Show Catalog Entry from the side menu.
EDIT Menu A WG2021 User Manual 3 Ć179 The waveform for that file will appear along with the waveform point size, the clock frequency and the voltage value. 6. Select Continue from the sub-menu. The menu shown before you selected Show Catalog Entry will reappear .
EDIT Menu 3 Ć180 A WG2021 User Manual T o add a step: 8. Select More 1 of 2 from the side menu and then select Append New Step . The instrument will proceed to Step 2. See “Adding a Step” in this section. Repeat this procedure to create the program.
EDIT Menu A WG2021 User Manual 3 Ć181 Clock Settings. Select using the general purpose knob. Then press the V ALUE button on the front panel. The menu shown in Figure 3 -131 will appear . Figure 3 Ć131: Clock Setting Menu Set the clock source and the clock frequency by selecting the appropriate items in the side menu.
EDIT Menu 3 Ć182 A WG2021 User Manual clock source and clock frequency will be updated to the values you have set. CH1 Operation Settings. Select using the general purpose knob. Then press the V ALUE button on the front panel. The menu shown in Figure 3 -132 will appear .
EDIT Menu A WG2021 User Manual 3 Ć183 Filter Settings. Using the general purpose knob, select the for the channel that you want to change and then press the V ALUE button on the front panel. The menu shown in Figure 3 -133 will appear . Figure 3 Ć133: Filter Setting Menu Using the general purpose knob, select the type of filter .
EDIT Menu 3 Ć184 A WG2021 User Manual Amplitude Settings. Using the general purpose knob, select the for the channel that you want to change and then press the V ALUE button on the front panel.
EDIT Menu A WG2021 User Manual 3 Ć185 Offset Settings. Using the general purpose knob, select the for the channel that you want to change and then press the V ALUE button on the front panel. The menu shown in Figure 3 -135 will appear . Figure 3 Ć135: Offset Setting Menu Select the appropriate item in the side menu and set the offset.
EDIT Menu 3 Ć186 A WG2021 User Manual When you select Operation in the bottom menu, the following items appear in the side menu: Cut Step Copy Step Paste Step Insert New Step Append New Step Insert Current Setup Swap Channel Contents... Cutting a Step.
EDIT Menu A WG2021 User Manual 3 Ć187 Adding a Step. Use Insert New Step and Append New Step from the side menu when you wish to add a step to an autostep file being created. Insert New Step Used to insert a step at the current step number . For example, suppose the current step number is Step 2 of 3 .
EDIT Menu 3 Ć188 A WG2021 User Manual 6. Press Range in the sub-menu and select Current Step or All Steps . Current step Swaps only the contents of the current step. All Steps Swaps the contents of all steps. 7. Select Execute in the sub-menu. Data will be exchanged between the designated steps in the designated channels.
EDIT Menu A WG2021 User Manual 3 Ć189 Convolution W aveform Editor (Option 09) On instruments with Option 09 installed, high-speed convolution and correlation can be performed for up to 32,000 words of waveform data in existing waveform files (those bearing the extender .
EDIT Menu 3 Ć190 A WG2021 User Manual When you select Exit/Write from the bottom menu, depending on what you have selected in the side menu, a file name will be assigned to the calculated result and the file will be saved to internal memory , after which the editor will close.
EDIT Menu A WG2021 User Manual 3 Ć191 Figure 3 -137 shows the general convolution waveform editor display . 1 2 3 Figure 3 Ć137: Convolution W aveform Editor CRT Display (1) Source Waveform1 Display.
EDIT Menu 3 Ć192 A WG2021 User Manual In this example, you will select a waveform file for operation. 1. Select W aveform from the bottom menu. 2. Select W aveform1 from the side menu. 3. Using the general purpose knob, select the waveform file for operation from the Select W aveform list and then select O.
EDIT Menu A WG2021 User Manual 3 Ć193 When you select Operation in the bottom menu, convolution or correlation will be performed. If Differential has been selected for the Math type item, the calculated result will be differentiated. 1. Select Operation from the bottom menu.
EDIT Menu 3 Ć194 A WG2021 User Manual Figure 3 Ć140: Sample Correlation.
EDIT Menu A WG2021 User Manual 3 Ć195 FFT Editor (Option 09) On instruments with Option 09 installed, existing waveform files up to 16,000 waveform points with the extension .
EDIT Menu 3 Ć196 A WG2021 User Manual Figure 3 Ć141: FFT Window Selection Menu 5. Using the general purpose knob, select the window function. When you enter the FFT editor , you must select the window function. This instrument has the following six FFT windows.
EDIT Menu A WG2021 User Manual 3 Ć197 Select Exit/Write from the bottom menu. Then select from the side menu to save the edited file to the internal memory of the A WG2021 and exit from the editor . When this is done, the frequency domain data is converted into time domain data and saved as a waveform file.
EDIT Menu 3 Ć198 A WG2021 User Manual The following list shows the functions available for each menu item and the page on which you can find a description of that function. T able 3Ć12: Menu Functions Menu Function Page Select Window Selecting a window 3 Ć195 Operation Editing in the frequency domain 3 Ć200 Right peak, Left peak Draw .
EDIT Menu A WG2021 User Manual 3 Ć199 Figure 3 -143 shows the general FFT editor display . A description for each callout follows. 1 5 6 9 3 2 4 7 8 Figure 3 Ć143: FFT Editor CRT Display (1) File Na.
EDIT Menu 3 Ć200 A WG2021 User Manual (7) Left vertical bar cursor .
EDIT Menu A WG2021 User Manual 3 Ć201 3. Press the V ALUE button on the front panel and select Magnitude . The knob icon is displayed on the Magnitude side.
EDIT Menu 3 Ć202 A WG2021 User Manual Figure 3 -144 shows an example of the screen with the Draw .
EDIT Menu A WG2021 User Manual 3. Press Draw Area in the sub-menu and select Mag (magnitude) or Phase (phase). 4. Press the V ALUE button on the front panel. Using the general purpose knob, move the point cursor to the location of the new point.
EDIT Menu 3 Ć204 A WG2021 User Manual Figure 3 Ć145: Drawing a Magnitude 9. T o cancel the execution of a draw operation, select Undo from the bottom menu. The screen will revert to the waveform before Execute was selected. . When you quit and once again enter the waveform editor , the points you have drawn will disappear .
EDIT Menu A WG2021 User Manual 3 Ć205 Figure 3 Ć146: Magnified Signal Display In the scroll indicator at the top of the screen, the section of the signal being displayed on the screen is displayed inverted. Y ou can scroll through the frequency domain outside the screen by turning the general purpose knob.
EDIT Menu 3 Ć206 A WG2021 User Manual Figure 3 Ć147: Low Pass Filter Figure 3 Ć148: High Pass Filter Figure 3 Ć149: Band Pass Filter.
EDIT Menu A WG2021 User Manual 3 Ć207 Figure 3 Ć150: Band Cut Filter The procedure below applies the filters to the signal. 1. Select Filter from the bottom menu. 2. Select Low-Pass , High-Pass , Band-Pass , or Band-Elim from the side menu. 3. Press the V ALUE button on the front panel and select the filter frequency field.
EDIT Menu 3 Ć208 A WG2021 User Manual Cutting Extraneous Frequency Components. Here is the procedure for using the Cut under item to remove the extraneous frequency component. 1. Select Limiter from the bottom menu. 2. Press the CURSOR button on the front panel to select the left/right vertical bar cursor .
EDIT Menu A WG2021 User Manual 3 Ć209 DC Figure 3 Ć151: Fundamental, Odd, and Even Components Shifting Magnitudes. Here is the procedure for using the Shift Mag item to shift the magnitude to the limit level.
EDIT Menu 3 Ć210 A WG2021 User Manual.
A WG2021 User Manual 3 Ć21 1 SETUP Menu General Description The SETUP menu is used to set a variety of output parameters during actual output of the waveforms and sequence waveforms that have been created with the editors.
SETUP Menu 3 Ć212 A WG2021 User Manual SETUP Menu Structure Figure 3 -152 shows the configuration of the SETUP menu. SETUP Display Graphics T ext W aveform Sequence Channel Selection File Setting Fil.
SETUP Menu A WG2021 User Manual 3 Ć213 Menu Functions The following table shows the function of each menu item and the page to refer to for a more detailed explanation.
SETUP Menu 3 Ć214 A WG2021 User Manual SETUP Menu Display Figure 3 -153 shows the graphic mode for SETUP menu display . A description for each callout follows.
SETUP Menu A WG2021 User Manual 3 Ć215 (7) CH1 Output Parameter Status The output status of the waveform or sequence waveform is shown as follows: Period : Period Points : Number of data points Max :.
SETUP Menu 3 Ć216 A WG2021 User Manual Selecting the Display Format for the SETUP Menu The SETUP menu can be displayed in either text or graphic form. Graphics This is the mode normally used. This format displays the output parameters connected in the form of a circuit.
SETUP Menu A WG2021 User Manual 3 Ć217 Selecting Output Parameter Fields There are three ways to select a parameter . 1. Press the bottom button for the item to be set. Then select the channel in the side menu and select the field. 2. Press the bottom button for the item.
SETUP Menu 3 Ć218 A WG2021 User Manual T o select a waveform or sequence file: 1. Select W aveform Sequence from the bottom menu. The waveform display area will be highlighted on the screen. 2. Select the channel for setting in the side menu. 3. T urn the general purpose knob to open the file list.
SETUP Menu A WG2021 User Manual 3 Ć219 When a sequence waveform is output, the output parameters for that sequence file are used. . When a sequence file is selected, and if the waveform or sequence file making up the sequence is not in internal memory , the waveform display ar ea is blank and the output switch is off.
SETUP Menu A WG2021 User Manual 2. Press the Source button in the side menu and set it to Internal . The clock icon shown below will be displayed on the screen. Since the clock frequency for CH2 depends on the clock frequency for CH1, set the clock frequency for CH1 first.
SETUP Menu A WG2021 User Manual 3 Ć221 T o set the Source to External: 6. Press the Source button in the side menu and select External . The clock icon shown below will be displayed on the screen. The CH1 and CH2 clocks are controlled with the external clock input from the CLOCK IN connector on the rear panel.
SETUP Menu 3 Ć222 A WG2021 User Manual ! ! ! ! .
SETUP Menu A WG2021 User Manual 3 Ć223 ! ! ".
SETUP Menu 3 Ć224 A WG2021 User Manual ! ! ! ! .
SETUP Menu A WG2021 User Manual 3 Ć225 Setting Filter The filters selections are: 50 , 20 , 5 , 1 MHz and Through (no filter). T o set Filter , perform these steps: 1. Select Filter from the bottom menu. The filter icon will be highlighted on the screen.
SETUP Menu 3 Ć226 A WG2021 User Manual Setting the amplitude and offset determines Max and Min values shown to the left of the waveform. In the example shown in Figure 3 -159, the Max and Min values are as follows: W W 1.
SETUP Menu A WG2021 User Manual 1. Select Amplitude from the bottom menu. 2. Select CH2 from the side menu. 3. Press the T rack key in the side menu and select CH1 . The linkage setting will appear below the CH2 amplitude icon. 4. Select CH1 from the side menu.
SETUP Menu A WG2021 User Manual.
A WG2021 User Manual 3 Ć229 MODE Menu General Description Press the MODE button in the MENU column to display the MODE menu. The MODE menu is used to set the operating mode of the waveform output with the conditions set in the SETUP menu.
MODE Menu 3 Ć230 A WG2021 User Manual MODE Menu Structure Figure 3 -160 shows the configuration of the MODE menu. MODE Cont T riggered Positive Negative Slope Level STOP W aveform Advance Slope Level.
MODE Menu A WG2021 User Manual 3 Ć231 Menu Functions The following table describes the function of each of the menu items and gives the number of the page on which you can find a more detailed explanation of that item.
MODE Menu 3 Ć232 A WG2021 User Manual MODE Menu Display Figure 3 -161 shows the general display for the MODE menu. 1 2 3 4 5 Figure 3 Ć161: MODE Menu CRT Display (1) Channel Display Shows the channel for the waveform/sequence file names and lists.
MODE Menu A WG2021 User Manual 3 Ć233 (4) Operating Mode Status MODE .
MODE Menu 3 Ć234 A WG2021 User Manual Impedance STOP The Slope , Level and Impedance items are used to set the trigger conditions for the external trigger signal.
MODE Menu A WG2021 User Manual 3 Ć235 Impedance STOP The Polarity , Level and Impedance items are used to set the gate conditions for the external gate signal.
MODE Menu 3 Ć236 A WG2021 User Manual Figure 3 Ć164: Output W aveform for External T rigger Signal in Burst Mode Setting Burst Count.
MODE Menu A WG2021 User Manual 3 Ć237 applied to the TRIGGER INPUT connector or by pressing the front panel MANUAL button. In this mode, the first waveform is output over and over again for each channel when a trigger signal is received.
MODE Menu 3 Ć238 A WG2021 User Manual In W aveform Advance mode not only sequence files, but also waveform files can be used. In this case when the trigger is received, the file’ s waveform is output continuously . When the sub sequences in a sequence file are output, they are expanded individually in the waveform memory .
MODE Menu A WG2021 User Manual 3 Ć239 in progress, output stops after the end point of that waveform and then the waveform for the next step is output.
MODE Menu 3 Ć240 A WG2021 User Manual Figure 3 Ć167: Autostep File List 3. Use the general purpose knob to select the file to start from the displayed list of autostep files. 4. After selecting the file, to enter the selection, select O.K. from the sub- menu.
MODE Menu A WG2021 User Manual 3 Ć241 Setting T rigger Parameters for an External T rigger (Gate) The external trigger (gate) signal is input from the TRIGGER INPUT connector on the front panel. The maximum input voltage is ± 10 V into a 1 M W input impedance, and the maximum input voltage is 5 V RMS into a 50 W input impedance.
MODE Menu 3 Ć242 A WG2021 User Manual Impedance. This menu item sets the external trigger (gate) source input impedance to either 50 W or 1 M W . Press the Impedance button in the side menu to select this item.
A WG2021 User Manual 3 Ć243 LOAD/SA VE Menu General Description Press the LOAD/SA VE button in the MENU column to display the LOAD or SA VE menu. Press the Load or Save button in the bottom menu to display the desired menu.
LOAD/SA VE Menu 3 Ć244 A WG2021 User Manual Memory Capacity When you exit from the EDIT menu, the files you created with the editors are saved into the A WG2021 internal memory (RAM). Up to 400 files (depending on size) can be saved in the internal memory .
LOAD/SA VE Menu A WG2021 User Manual 3 Ć245 LOAD/SA VE Menu Structure Figure 3 -170 shows the configuration of the LOAD/SA VE menu. LOAD/SA VE NVRam Load Load Load All Save Device from Disk from NVRa.
LOAD/SA VE Menu 3 Ć246 A WG2021 User Manual Menu Functions The following table describes the function of each menu item and gives the page number where you can find a more detailed explanation of that item.
LOAD/SA VE Menu A WG2021 User Manual 3 Ć247 LOAD Menu Display Figure 3 -171 shows the general display for the LOAD menu. A description for each callout follows.
LOAD/SA VE Menu 3 Ć248 A WG2021 User Manual (1) Internal memory file list This is a list of the files currently loaded into internal memory . The list shows the file names, the file types, file sizes (in bytes), the date and time the file was created, and a comment.
LOAD/SA VE Menu A WG2021 User Manual 3 Ć249 Selecting the Device Select Device to select the source from which files are loaded into the A WG2021 internal memory and the destination to which files are saved from internal memory . Y ou may select Disk , NVRam or GPIB .
LOAD/SA VE Menu 3 Ć250 A WG2021 User Manual T able 3Ć19: Supported Instruments Manufacturer Model T ektronix TDS Series Digital Storage Oscilloscope TDS300 Series, TDS400 Series, TDS500 [A] Series, .
LOAD/SA VE Menu A WG2021 User Manual 3 Ć251 Loading Files from Mass Memory into Internal Memory If Disk or NVRam has been selected for Device , the LOAD menu appears when the Load item in the bottom menu is selected.
LOAD/SA VE Menu A WG2021 User Manual 4. Use the general purpose knob to select files to load into internal memory from the mass memory file list.
LOAD/SA VE Menu A WG2021 User Manual 3 Ć253 Saving Files from Internal Memory to Mass Memory If Disk or NV ram has been selected for Device , the SA VE menu appears when the Save item is selected from the bottom menu. See Figure 3 -173. As for the LOAD menu, the internal memory file list is displayed on the upper screen.
LOAD/SA VE Menu 3 Ć254 A WG2021 User Manual When Save All is selected from the side menu, all the files in the internal memory are saved to the specified mass memory .
LOAD/SA VE Menu A WG2021 User Manual 3 Ć255 T ransferring W aveform Data Directly When GPIB has been selected for Device , waveform data can be transferred directly to the instrument from supported digital storage oscilloscopes, etc. through the GPIB interface.
LOAD/SA VE Menu 3 Ć256 A WG2021 User Manual created with the name shown in the “ Loaded as ” column. Figure 3 -175 shows the GPIB Source list. Figure 3 Ć175: GPIB Source List 7. Choose Select Source Addr ess from the side menu and, using the general purpose knob, select the GPIB address for the instrument from which data is to be loaded.
LOAD/SA VE Menu A WG2021 User Manual 3 Ć257 Figure 3 Ć176: List of Supported Models Made by Other Manufacturers . Contact a T ektronix sales office in the event that waveform transfer is not possible fr om an instrument made by another manufactur er , due to an upgrade or other change.
LOAD/SA VE Menu 3 Ć258 A WG2021 User Manual Auto Loading Use the side menu of the Auto Load to automatically load files from the mass memory into the internal memory when the instrument is switched on. 1. Select Auto Load from the bottom menu. 2. Select an item from the side menu.
LOAD/SA VE Menu A WG2021 User Manual 3 Ć259 Supported Floppy Disk Files T able 3-20 shows a list of file name extensions denoting the type of disk files that can be loaded to the internal memory of the A WG2021. T able 3Ć20: Supported Floppy Disk Files Extension Description Result of Load Operation .
LOAD/SA VE Menu 3 Ć260 A WG2021 User Manual . As with other files on the instrument, the Rename , Delete , Delete All , Lock and other operations can be performed for these files, and they ar e also subject to the Load All and Auto Load operations in the LOAD menu.
A WG2021 User Manual 3 Ć261 UTILITY Menu General Description Press the MENU column UTILITY button to display the UTILITY menu. The bottom menu contains the Disk , NVRam , GPIB , RS232C , Date Time , Misc , and Diag/Cal items.
UTILITY Menu 3 Ć262 A WG2021 User Manual UTILITY Menu Structure Figure 3 -177 shows the configuration of the UTILITY menu. MENU Button Bottom Menu Side Menu SubĆMenu Disk UTILITY Date Time Misc Display ... Config... Hardcopy ... Status... Diag/Cal Rename Delete Delete All Lock Change Directory Make Directory Format.
UTILITY Menu A WG2021 User Manual 3 Ć263 Menu Functions The following table describes the function of each of the menu items and gives the number of the page on which you can find a more detailed explanation of that item.
UTILITY Menu 3 Ć264 A WG2021 User Manual T able 3Ć21: Menu Functions (Cont.) Menu Page Function Config... Configuration 3 Ć284 Reset to Factory Secure Erase Memory Remote Port Factory settings Deleting data from memory Remote port settings 3 Ć284 3 Ć285 3 Ć285 Hardcopy .
UTILITY Menu A WG2021 User Manual 3 Ć265 The side menu is made up of 2 pages. Select More to display the second page of the side menu. Floppy Disk Format. This instrument can format 2DD (double density) and 2HD (high density) disks in three different MS-DOS formats: IBM-PC format, NEC PC9800 series format, and T oshiba J3100 series format.
UTILITY Menu 3 Ć266 A WG2021 User Manual 3. Select Format... from the second page of the side menu ( More 2 of 2 ). 4. The currently selected format will appear in the T ype item in the sub-menu. Select the correct format with the general purpose knob.
UTILITY Menu A WG2021 User Manual 3 Ć267 6. Select Go Back from the sub-menu. The system returns from the Format... current sub-menu to the previous side menu. 7. Pressing the eject button on the right side of the disk drive ejects the floppy disk. Handling Floppy Disks.
UTILITY Menu 3 Ć268 A WG2021 User Manual Figure 3 Ć179: W rite Protect T ab on a Floppy Disk Creating and Changing Directories. When there are many files, it becomes difficult to manage them.
UTILITY Menu A WG2021 User Manual 3 Ć269 . A file hierar chy with multiple layers can be cr eated on the disk using up to 54 characters including the character . The shorter the dir ectory name, the deeper the levels that you can cr eate.
UTILITY Menu 3 Ć270 A WG2021 User Manual Figure 3 Ć180: File and Directory Display in the Root Directory 2. Select More 1 of 2 , then Make Dir ectory from the side menu. The menu for naming the directory is displayed. 3. Use the general purpose knob to input a directory name of A WG2021 .
UTILITY Menu A WG2021 User Manual 3 Ć271 Figure 3 Ć181: Directory Name Input 4. After you have input the directory name, select O.K. from the sub-menu. The A WG2021 directory is created in the floppy disk. Example: Changing a Directory . 5. Select Change Directory from the side menu.
UTILITY Menu 3 Ć272 A WG2021 User Manual 7. Select O.K. from the sub-menu. The current directory changes to the A WG2021 directory you just made and the directory display becomes Catalog:DiskA WG2021 . At this time, the A WG2021 directory is empty . See Figure 3 -183.
UTILITY Menu A WG2021 User Manual 3 Ć273 Locking and Unlocking a File. This menu item locks a file. When a file is locked, the file can neither be changed nor erased. It locks and unlocks a file the same as the Lock item in the EDIT menu. See Page 3 -1 1.
UTILITY Menu 3 Ć274 A WG2021 User Manual Remote Interface The instrument’ s rear panel has two remote control interface ports: IEEE STD 488 (GPIB) and RS-232-C . (Note: There is no RS-232-C port when Option 04 has been installed.) A computer can be used to control the instrument remotely through these interfaces.
UTILITY Menu A WG2021 User Manual 3 Ć275 Figure 3 Ć185: Menu Displayed When GPIB is Selected The instrument can be set to one of four operating modes: talk/listen, waveform transfer , talk only , or off-bus. However , you should be aware that talk only and waveform transfer modes are not compliant with IEEE 488.
UTILITY Menu 3 Ć276 A WG2021 User Manual Actual waveform transfer is performed using the LOAD/SA VE menu. See Page 3 -255. T alk Only Select T alk Only from the side menu to output a hard copy of the waveform data. When the Port setting is GPIB [ UTILITY menu Misc (bottom menu) Hardcopy .
UTILITY Menu A WG2021 User Manual 3 Ć277 Figure 3 Ć186: Menu Displayed When RS232C is Selected Baudrate Sets the transmission rate. The transmission rate of 300 , 600 , 1200 , 2400 , 4800 , 9600 , and 19200 can be selected with the general purpose knob.
UTILITY Menu 3 Ć278 A WG2021 User Manual Date and Time When Date Time is selected from the bottom menu, a clock will appear on the screen, allowing you to set the date and time. The side menu will display items for Y ear , Month , Day , Hour and Minute .
UTILITY Menu A WG2021 User Manual 3 Ć279 minute is set at the same time the second is reset to 0. (The second is also reset to 00 when the hour is set with Hour .) The date and time can be permanently displayed on the screen if desired. See “Date/T ime Display” on Page 3 -283.
UTILITY Menu 3 Ć280 A WG2021 User Manual Setting the Display Brightness. The A WG2021 screen has three levels of brightness. These levels are set with the Brightness menu item. T o set the screen brightness: 1. Select Misc from the bottom menu. 2. Select Display .
UTILITY Menu A WG2021 User Manual 3 Ć281 Figure 3 Ć189: Menu Displayed when Catalog Order is Selected The files in the catalog are displayed in the initial EDIT menu, LOAD/SA VE and UTILITY menus. Changing the file order in a catalog will change the order in all menus.
UTILITY Menu 3 Ć282 A WG2021 User Manual Figure 3 Ć190: Catalog Files Files in a catalog can be displayed by the following sorting conditions: Name1: Name Files are displayed by file name ( Name ) in ASCII code order . Name2: Name-Reverse Files are displayed by file name ( Name ) in reverse ASCII code order .
UTILITY Menu A WG2021 User Manual 3 Ć283 T o change the order in which files are displayed to T ype4 : 1. Select Misc from the bottom menu. 2. Select Display ... from the side menu. 3. Select Catalog Order from the sub-menu. 4. Use the general purpose knob to select T ype4 .
UTILITY Menu 3 Ć284 A WG2021 User Manual " Figure 3 Ć192: Date/Time Display The following diagram shows the menu configuration for the Config.
UTILITY Menu A WG2021 User Manual 3 Ć285 with the exception of Date Time (date and time) to be restored to their default settings. Default settings consist of the factory settings and the following i.
UTILITY Menu 3 Ć286 A WG2021 User Manual When you output a hard copy , you can choose to either save the data displayed on the screen on a floppy disk as a file, or output the data through the IEEE STD 488 (GPIB) or RS-232-C interface. When you select Hardcopy .
UTILITY Menu A WG2021 User Manual 3 Ć287 T able 3Ć23: Format Extensions (Cont.) Format Explanation Extension .
UTILITY Menu 3 Ć288 A WG2021 User Manual This means that the hard copy has been saved to the floppy disk in TIFF format under the file name SETUP000 . File names and extensions will be assigned automatically based on the menu and the format of the hard copy .
UTILITY Menu A WG2021 User Manual 3 Ć289 The GPIB/RS-232-C status display consists of the following items: PSC , Header , V erbose , Data and Debug . In addition, the cumulative power-on time ( Up T ime ) is displayed. 1. Select Misc from the bottom menu.
UTILITY Menu 3 Ć290 A WG2021 User Manual Figure 3 Ć196: I/O Event Reporting Use this item to run the diagnostics function or to calibrate the instrument. Diagnostics. This instrument is equipped with diagnostics functions to compre- hensively test itself.
UTILITY Menu A WG2021 User Manual 3 Ć291 Figure 3 Ć197: Diagnostics List At the top of the diagnostics menu are three columns giving the status of the diagnostic tests. The meaning of these three columns is as follows. Diagnostics This column gives the name of the diagnostic test item.
UTILITY Menu 3 Ć292 A WG2021 User Manual 4. Select Execute from the side menu. The selected diagnostics items are executed. If the test finishes without a problem, Pass is displayed on the Result column. If an error occurs, Fail is displayed. If the instrument fails a test, an error code is displayed in the Code column.
UTILITY Menu A WG2021 User Manual 3 Ć293 2. Select Calibrations from the side menu. 3. T urn the general purpose knob to select the desired calibration. T o execute all the calibrations one after another , select All . 4. Select Execute from the side menu.
UTILITY Menu 3 Ć294 A WG2021 User Manual.
A WG2021 User Manual 3 Ć295 Function W aveform Generator Mode General Description Press the front panel F. G button to switch from arbitrary waveform generation mode into function waveform generation ( FG ) mode. Select the desired waveform with the bottom button.
Function W aveform Generator Mode 3 Ć296 A WG2021 User Manual The descriptions in this section are for an instrument with Option 02, CH2 output installed.
Function W aveform Generator Mode A WG2021 User Manual 3 Ć297 Function Generator Menu Display Figure 3 -200 shows the general display for the FG mode menu. A description for each callout follows. 1 2 Figure 3 Ć200: FG Mode Menu Display (1) Channel waveform display area Displays the waveform set for that channel.
Function W aveform Generator Mode 3 Ć298 A WG2021 User Manual Setting the Output W aveform The following procedure is used to set the output waveform for a channel.
Function W aveform Generator Mode A WG2021 User Manual 3 Ć299 The amplitude can be set in steps of 1 mV within the range 0.050 V – 5.000 V (P-P value). using the numeric keys or the general purpose knob. Figure 3 -201 shows a sine waveform whose amplitude has been set to 5V .
Function W aveform Generator Mode 3 Ć300 A WG2021 User Manual Figure 3 Ć203: W aveform Polarity Duty is added for the Pulse side menu. It allows you to set the duty cycle for pulse waveforms. The duty is set to 0–100% in steps of 1%. Duty is set using the numeric keys or the general purpose knob.
Function W aveform Generator Mode A WG2021 User Manual 3 Ć301 The sync signal is a 1.5 V signal into 50 W with a pulse width of 100 ns. These signals are output from the front panel CH1 SYNC connector and the rear panel CH2 SYNC OUT connector (for Option 02).
Function W aveform Generator Mode A WG2021 User Manual.
A WG2021 User Manual AĆ1 Appendix A: Options and Accessories This chapter describes the options, and standard and optional accessories available for the A WG2021.
Appendix A: Options and Accessories AĆ2 A WG2021 User Manual Clock Output. The same clock that is fed to the A WG2021 internal D/A converter is buffered like the data and delivered to the output connector . The clock output is differential ECL output.
Appendix A: Options and Accessories A WG2021 User Manual AĆ3 Output Connector Configuration. Figure A-2 shows the shape and pin number location of the output connector , and T able A-1 shows the output signal for each pin.
Appendix A: Options and Accessories AĆ4 A WG2021 User Manual . When loading a new waveform into waveform memory , r esetting the waveform memory , or during the hold off, excess output can be generated in the data clock (see Figur e A-3).
Appendix A: Options and Accessories A WG2021 User Manual AĆ5 Output Circuit and Output W aveform. The ECL buf fer (10E1 16) output is connected directly to the output connector . When used, these signals must be terminated to –2 V with a 50 W resistor at the receiving side (user side).
Appendix A: Options and Accessories AĆ6 A WG2021 User Manual must be ≤ than 1ns. waveform to go from 10% to 90% of its peak value ; measure the time for the Rise Time / Fall T ime : Raise Time Fall Time Skew : Measure at 50% level of the waveform; must be ≤ than 1ns.
Appendix A: Options and Accessories A WG2021 User Manual AĆ7 Cable Application Example. The cable connecting the A WG2021 and the user circuit is extremely critical for reliable operation at the maximum clock frequency . . Use a coaxial cable with a characteristic impedance of 50 W for all DA T A and CLOCK lines.
Appendix A: Options and Accessories AĆ8 A WG2021 User Manual Digital Data Latch Example. Figure A-9 shows an example of an external circuit for latching the digital data.
Appendix A: Options and Accessories A WG2021 User Manual AĆ9 . T ektr onix cannot be responsible for the infringement of any thir d-party industrial pr oprietary rights, copyrights, or other rights arising fr om the use of these cir cuits.
Appendix A: Options and Accessories AĆ10 A WG2021 User Manual Option 04 Output Connector Clock Data Buffer W aveform Memory D/A Latch D0 D1 1 CLOCK 12 12 Clock Data 12 Bits 12 12 Figure AĆ10: Block Diagram Output Connector Configuration.
Appendix A: Options and Accessories A WG2021 User Manual AĆ1 1 T able AĆ2: Connector Pin Assignments (Cont.) Pin Number Signal Pin Number Signal 9 D4 23 D1 1 (MSB) 11 D5 25 Clock 13 D6 Pins other than those mentioned are connected to ground. The pin assignments are identical for both CH1 and CH2.
Appendix A: Options and Accessories AĆ12 A WG2021 User Manual Output Circuit and Output W aveform. Figure A-13 shows a diagram of the output circuit. After passing through an output resistance of 50 W , the buffer output proceeds to the output connectors.
Appendix A: Options and Accessories A WG2021 User Manual AĆ13 Clock Data 50% level of the Clock Middle point of the Data Skew: within ± 4n s Level High:2 V or greater (into a 50 W termination) Level Low:0.8 V or less (into a 50 W termination) Figure AĆ14: Output W aveform If a cable is used, these waveforms have transmission distortion.
Appendix A: Options and Accessories AĆ14 A WG2021 User Manual Cable Application Example. The cable connecting the A WG2021 and the user circuit is extremely critical for reliable operation at the maximum clock frequency . . Use a coaxial cable with a characteristic impedance of 50 W for all DA T A and CLOCK lines.
Appendix A: Options and Accessories A WG2021 User Manual AĆ15 W aveform Regeneration. In some cases, even a cable that has been carefully made will create transmission distortion. Figure A-17 shows a concrete example of a circuit used to regenerate the waveform.
Appendix A: Options and Accessories AĆ16 A WG2021 User Manual This option provides increased internal calculation speed and two additional editors: an FFT editor and a convolution editor . See Section 3 for more informa- tion on the FFT and convolution waveform editors.
Appendix A: Options and Accessories A WG2021 User Manual AĆ17 Accessories The A WG2021 includes the following standard accessories: Standard Accessory Part Number Manuals User Manual 070Ć9097Ć50 Programmer Manual 070Ć8657ĆXX Floppy disk Sample W aveform Library Disk, 3.
Appendix A: Options and Accessories A WG2021 User Manual.
A WG2021 User Manual BĆ1 Appendix B: Performance Characteristics The performance characteristics on the A WG2021 can be divided into three categories: Nominal T raits. General characteristics are described not by equipment performance and limits but by such things as memory capacity .
Appendix B: Performance Characteristics BĆ2 A WG2021 User Manual T able BĆ1: Electrical Characteristics (Cont.) Characteristics Description Arbitrary W aveforms W aveform Memory Memory Length W avef.
Appendix B: Performance Characteristics A WG2021 User Manual BĆ3 T able BĆ1: Electrical Characteristics (Cont.) Characteristics Description Auxiliary Output SYNC When in F .G mode and the frequency is above 250 kHz, the Sync pulse occurs one time per two waveforms.
Appendix B: Performance Characteristics BĆ4 A WG2021 User Manual T able BĆ1: Electrical Characteristics (Cont.) Characteristics Description AM Range 2 V pĆp (-1V 1V) for 100% modulation Impedan.
Appendix B: Performance Characteristics A WG2021 User Manual BĆ5 T able B-1-2 Cycle to Cycle Jitter (CH1 Marker 1 Out) Clock=250MS/s Clock=100MS/s StdDev Pk-Pk StdDev Pk-Pk 20.0 ps 1 10.0 ps 20.0 ps 90.0 ps T able B-1-3 Period Jitter (Clock Out) Clock=250MS/s Clock=100MS/s StdDev Pk-Pk StdDev Pk-Pk 1 1.
Appendix B: Performance Characteristics BĆ6 A WG2021 User Manual W arranted Characteristics This section will describe the warranted characteristics of the A WG2021. These can be divided into two main categories: electrical characteristics and environ- mental characteristics.
Appendix B: Performance Characteristics A WG2021 User Manual BĆ7 T able BĆ3: Electrical Characteristics (Cont.) Characteristics Description ** Offset W aveform is 0 VDC and Amplitude range is 0.
Appendix B: Performance Characteristics BĆ8 A WG2021 User Manual T able BĆ3: Electrical Characteristics (Cont.) Characteristics Description ** MARKER1 ** Amplitude 2.5 V (+5%, -10%) into 50 W , 5 V (+5%, -10%) into open circuit Rise/Fall time <8n s Marker to Signal delay within 15 ns ** MARKER2 ** Amplitude 2.
Appendix B: Performance Characteristics A WG2021 User Manual BĆ9 T able BĆ3: Electrical Characteristics (Cont.) Characteristics Description Auxiliary Input ** TRIGGER ** Accuracy ± (5% of Level + 0.
Appendix B: Performance Characteristics BĆ10 A WG2021 User Manual T able BĆ3: Electrical Characteristics (Cont.) Characteristics Description ** Add When Option 02 (second channel) installed ** Output within 5% CH1 + CH2 (value indicated at the lower right box in SETUP menu) Output can not exceed 5 V pĆp .
Appendix B: Performance Characteristics A WG2021 User Manual BĆ1 1 T able BĆ4: Environmental Characteristics (Cont.) Characteristics Description Dynamics Vibration Operation 0.33 mm pĆp , 10 to 55 Hz, 15 minutes Shock Non operating 294 m/s 2 (30 G), halfĆsine, 1 1 ms duration.
Appendix B: Performance Characteristics BĆ12 A WG2021 User Manual T ypical Characteristics This section will describe the typical characteristics for the A WG2021. These values represent typical or average performance and are not absolutely guaran- teed.
Appendix B: Performance Characteristics A WG2021 User Manual BĆ13 T able BĆ6: Certifications and compliances Category Standards or description EC Declaration of Conformity - EMC Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility .
Appendix B: Performance Characteristics BĆ14 A WG2021 User Manual T able BĆ6: Certifications and compliances (cont.) Category Standards or description Conditions of Approval Safety Certifications/Co.
A WG2021 User Manual CĆ1 Appendix C: Performance V erification Before V erification This section describes the verification procedures, tells you when to use the procedures, and gives conventions used in their structure.
Appendix C: Performance V erification CĆ2 A WG2021 User Manual a. First Substep First Subpart Second Subpart b. Second Substep 2. Second Step Instructions for menu selection follow this format: FRONT P ANEL BUTTON Main Menu Button Side Menu Button .
Appendix C: Performance V erification A WG2021 User Manual CĆ3 Equipment Required Prerequisites 1.
Appendix C: Performance V erification CĆ4 A WG2021 User Manual The A WG2021 includes internal calibration routines that check electrical characteristics such as amplitude, offset, trigger level, clock, filters, X5 output amplifier and attenuation, and adjust internal calibration constants as necessary .
Appendix C: Performance V erification A WG2021 User Manual CĆ5 . The interactive tests on the Diag/Cal menu ar e for manufacturing use at the factory . Performance T ests This section contains a series of procedures for checking that the A WG2021 Arbitrary W aveform Generator performs as warranted.
Appendix C: Performance V erification CĆ6 A WG2021 User Manual memory . For instructions on loading files, see Loading Sample W aveforms on page 2 -28 in section 2. Read Pr eparation and Conventions on page C-1. Also, if you are not familiar with operating the A WG2021, read in section 2 before doing any of these procedures.
Appendix C: Performance V erification A WG2021 User Manual CĆ7 T able CĆ1: T est Equipment (Cont.) Item Purpose Example Minimum Requirements Digital multimeter DC volts range: 0.05ĂV to 5ĂV Accuracy: 0.1% Fluke 8842A Used throughout the checks to measure voltage.
Appendix C: Performance V erification CĆ8 A WG2021 User Manual T able CĆ2: File List for Performance Check/Adjustment Disk EDIT Menu SETUP Menu No. File Name Wfm Shape Wfm Point Clock Operation Filter Amp Offset Usage 1 MODE.WFM 1000 1 MHz Normal Through 1V 0V Cont, T rigĆ gered, Burst , Gated Mode 2 MODE_ADV .
Appendix C: Performance V erification A WG2021 User Manual CĆ9 T able CĆ2: File List for Performance Check/Adjustment Disk (Cont.) No. Usage SETUP Menu EDIT Menu File Name No. Usage Offset Amp Filter Operation Clock Wfm Point Wfm Shape File Name 7 GAIN_OFF .
Appendix C: Performance V erification CĆ10 A WG2021 User Manual Operating Mode Checks These procedures check operation of the Cont, T riggered, Burst, Gated, W aveform Advance, and Autostep modes.
Appendix C: Performance V erification A WG2021 User Manual CĆ1 1 2. Set the A WG2021 contr ols and select the waveform file: a. Initialize A WG2021 contr ols: Push UTILITY Misc Config... Re- set to Factory O.K. b. Select the file: Push SETUP W aveform Sequence , if necessary , to select a waveform file for CH1.
Appendix C: Performance V erification CĆ12 A WG2021 User Manual 540 TDS AWG2021 FG 5010 Figure CĆ4: T riggered Mode Initial T est Hookup c.
Appendix C: Performance V erification A WG2021 User Manual 2. Set A WG2021 contr ols and select the waveform file: a. Initialize A WG2021 contr ols: Push UTILITY Misc Config... Re- set to Factory O.K. b. Modify the A WG2021 default settings: Push MODE T riggered Slope to select Positive slope.
Appendix C: Performance V erification CĆ14 A WG2021 User Manual Electrical Characteristic Checked "# Equi.
Appendix C: Performance V erification A WG2021 User Manual CĆ15 c. Select the file: Push SETUP W aveform Sequence , if necessary , to select a waveform file for CH1. W aveform Sequence toggles between the CH1 files (upper list) and the CH2 files (lower list).
Appendix C: Performance V erification CĆ16 A WG2021 User Manual FG 5010 540 TDS AWG2021 Figure CĆ6: Gated Mode Initial T est Hookup c. Set oscilloscope contr ols: V ertical CH1, CH2 .
Appendix C: Performance V erification A WG2021 User Manual 2. Set the A WG2021 contr ols and select the waveform file: a. Initialize A WG2021 contr ols: Push UTILITY Misc Config... Re- set to Factory O.K. b. Modify the A WG2021 default settings: Push MODE Gated Polarity to highlight Positive.
Appendix C: Performance V erification CĆ18 A WG2021 User Manual Figure CĆ7: W aveform Output Signal with Positive Gate Signal c. Change the A WG2021 trigger polarity to negative: Push MODE Po- larity to change the polarity to Negative.
Appendix C: Performance V erification A WG2021 User Manual CĆ19 Electrical Characteristic Checked " " .
Appendix C: Performance V erification CĆ20 A WG2021 User Manual Push MODE W aveform Advance Slope to highlight Positive. Select Level from the side menu, and turn the general purpose knob to select a 1.0 V level. Select Impedance from the side menu to highlight 50 W .
Appendix C: Performance V erification A WG2021 User Manual CĆ21 540 TDS AWG2021 Figure CĆ10: Autostep Mode Initial T est Hookup b. Set the oscilloscope contr ols: V ertical CH1 . . . . . . .
Appendix C: Performance V erification CĆ22 A WG2021 User Manual Select Start within the Sync frame at the bottom menu. 3. T urn on the A WG2021 CH1 output: If the LED above the CH1 output connector is not on, push the CH1 button.
Appendix C: Performance V erification A WG2021 User Manual CĆ23 FG 5010 8842A AWG2021 Figure CĆ1 1: External AM Operation Initial T est Hookup c. Set DMM contr ols : Mode VDC .
Appendix C: Performance V erification CĆ24 A WG2021 User Manual T urn the general purpose knob to highlight the OPE.AST file. Push ENTER . 3. T urn on the A WG2021 CH1 output: If the LED above the CH1 output connector is not on, push the CH1 button.
Appendix C: Performance V erification A WG2021 User Manual Set the function generator offset value to –1 V . Check that the DMM voltage reading is in the range from –0.125 to 0.125 V (0% modulation). 6. End pr ocedur e: Keep the test connections and instrument settings for the next check.
Appendix C: Performance V erification CĆ26 A WG2021 User Manual Electrical Characteristic Checked Arithmetic Operation, Amplitude Modulation, on pageĂBĆ9. Equipment Required T wo 50Ă W coaxial cables, a function generator, and a digital multimeter (DMM).
Appendix C: Performance V erification A WG2021 User Manual CĆ27 3. End pr ocedur e: a. Disable function generator output: T urn the function generator output off.
Appendix C: Performance V erification A WG2021 User Manual b. Set fr equency counter contr ols: CHANNEL A T ermination 50 W . . . . . . . . . . . . . . . . . . Slope Negative . . . . . . . . . . . . . . . . . . . . . . . Attenuation X5 . .
Appendix C: Performance V erification A WG2021 User Manual CĆ29 T able CĆ3: Clock Frequency Accuracy Clock Frequency Frequency Range 150 MHz 149.9925ĂMHz - 150.0075ĂMHz 1 MHz 0.99995ĂMHz – 1.00005ĂMHz 1k H z 0.99995ĂkHz - 1.00005ĂkHz 10 Hz 9.
Appendix C: Performance V erification A WG2021 User Manual b. Set oscilloscope contr ols: V ertical CH1 . . . . . . . . . . . . . . . . . . . . . . . . . Coupling DC . . . . . . . . . . . . . . . . . . . . . Scale 500 mV/div . . . . . . .
Appendix C: Performance V erification A WG2021 User Manual CĆ31 Gain and Offset Accuracy Checks These procedures check the accuracy of the A WG2021 gain and offset. . The gain and offset accuracy checks ar e structur ed as a continuous test.
Appendix C: Performance V erification A WG2021 User Manual b. Select the A WG2021 waveform file: Push MODE Autostep Select Autostep File to choose a sequence file for CH1. T urn the general purpose knob to select the GAIN_OFF .
Appendix C: Performance V erification A WG2021 User Manual CĆ33 Electrical Characteristic Checked Main Output, Offset, Accuracy , on pageĂBĆ6. Equipment Required A 50Ă W coaxial cable, 50Ă W termination, BNCĆtoĆdual banana adapter , and a digital multimeter (DMM).
Appendix C: Performance V erification CĆ34 A WG2021 User Manual Pulse Response Check This procedure checks the pulse response characteristics of the A WG2021 output waveforms at amplitudes of 0.5 and 1 V . Electrical Characteristic Checked Main Outputs, Pulse Response, on pageĂBĆ7.
Appendix C: Performance V erification A WG2021 User Manual 2. Set the A WG2021 contr ols and select the waveform file: a. Initialize A WG2021 contr ols: Push UTILITY Misc Config... Re- set to Factory O.K. b. Select waveform file: Push SETUP W aveform Sequence , if necessary , to select a waveform file for CH1.
Appendix C: Performance V erification CĆ36 A WG2021 User Manual Press the numeric key 1 , and press the units key V to select an amplitude of 1 V . c. Repeat substeps 4a thr ough e, checking to the follow limits: Rise time 4.2 ns, maximum . . . .
Appendix C: Performance V erification A WG2021 User Manual b. Set oscilloscope contr ols: V ertical CH1 . . . . . . . . . . . . . . . . . . . . . . . . . CH1 Coupling DC . . . . . . . . . . . . . . . . CH1 Scale 200 mV/div . . . . . . . .
Appendix C: Performance V erification CĆ38 A WG2021 User Manual 4. Check r ear-panel CH1 MARKER Out 2 pulse amplitude: a. Check CH1 MARKER 2 OUT pulse amplitude: Remove the coaxial cable from the A WG2021 front-panel CH1 MARKER 1 connector and connect it through the SMA-BNC adapter to the rear-panel CH1 MARKER 2 OUT connector .
Appendix C: Performance V erification A WG2021 User Manual CĆ39 540 TDS AWG2021 FG 5010 Figure CĆ18: External T rigger Level Accuracy Initial T est Hookup c.
Appendix C: Performance V erification A WG2021 User Manual 2. Select the A WG2021 waveform file and set A WG2021 controls: a. Initialize A WG2021 contr ols: Push UTILITY Misc Config... Re- set to Factory O.K. b. Modify A WG2021 default settings: Push MODE Gated Polarity to highlight Positive .
Appendix C: Performance V erification A WG2021 User Manual CĆ41 b. Change the A WG2021 contr ols: Push MODE Polarity to highlight Negative . Select Level from the side menu, and turn the general purpose knob to select –1 V . (Y ou can also use the numeric and units keys to select –1 V ; then push ENTER .
Appendix C: Performance V erification CĆ42 A WG2021 User Manual 540 TDS FG 5010 AWG2021 Figure CĆ19: External CLOCK IN Initial T est Hookup c.
Appendix C: Performance V erification A WG2021 User Manual CĆ43 2. Select the A WG2021 waveform file and set A WG2021 controls: a. Initialize A WG2021 contr ols: Push UTILITY Misc Config... Re- set to Factory O.K. b. Select waveform file: Push SETUP W aveform Sequence , if necessary , to select a waveform file for CH1.
Appendix C: Performance V erification CĆ44 A WG2021 User Manual 1. Install test hookup and set test equipment contr ols: a. Hook up termination boar d: Connect the A WG2021 rear ECL digital data output through a digital data output cable to the termination board (see Figure C-20).
Appendix C: Performance V erification A WG2021 User Manual Horizontal Sweep Adjust as needed . . . . . . . . . . . . . . . . . . . . . . . T rigger Mode Auto . . . . . . . . . . . . . . . . . . . . . . . e. Set power supply contr ols: Parameter Supply select Negative .
Appendix C: Performance V erification CĆ46 A WG2021 User Manual D1 1 D10 D9 D8 D7 D6 D5 D4 D2 D1 D0 D3 J150 J200 GND TP100 GND TP210 D7 D8 D9 D10 D1 1 GND TP200 CLK CLK J210 –2VD TP120 D3 D0 D1 D2 D4 D5 D6 Figure CĆ21: Output Pins on the T ermination Board 5.
Appendix C: Performance V erification A WG2021 User Manual CĆ47 TTL DIGIT AL DA T A OUT Check (Option 04) This procedure checks the A WG2021 TTL DIGIT AL DA T A OUT at the rear panel. . This check r equir es that the AWG2021 has Option 04 installed.
Appendix C: Performance V erification A WG2021 User Manual b. Hook up oscilloscope: Connect the oscilloscope probe to the CH1 vertical input. Connect the probe ground-clip to the GND pin of 2 × 13 header . c. Set oscilloscope contr ols: V ertical CH1 .
Appendix C: Performance V erification A WG2021 User Manual CĆ49 × Figure CĆ23: Output Pins on the TTL Digital Data Out Cable 4.
Appendix C: Performance V erification CĆ50 A WG2021 User Manual Floating Point Processor Check (Option 09) This procedure checks the A WG2021 floating point processor .
A WG2021 User Manual DĆ1 Appendix D: Sample W aveform Library Introduction The files and directories listed below are included in the route directory of the Sample W aveform Library Disk that comes with the instrument. All files are locked; this is indicated by an asterisk (*) before the file name.
Appendix D: Sample W aveform Library DĆ2 A WG2021 User Manual W aveform Name Page File Name 16. W aveform for Magnetic Disk Readout Signal MDSK_RD.WFM DĆ18 17. W aveform for Magnetic Disk Writing Signal MDSK_WR.WFM DĆ19 Contains video signals. W aveform Name File Name 1.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ3 Description of Representative W aveform Files Here we will describe the 17 representative waveform files. Some of the waveform files were obtained by creating an equation file in the equation editor and then compiling it to form a waveform file.
Appendix D: Sample W aveform Library DĆ4 A WG2021 User Manual Constants k0 indicates the half width (W 50 ) for the pulse; k1 indicates the peak location of the pulse.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ5 Made with the equation editor . Figure DĆ2: Lorentz Pulse Formula and W aveform Constants k0 indicates the half width (W 50 ) for the pulse; k1 indicates the peak location of the pulse.
Appendix D: Sample W aveform Library DĆ6 A WG2021 User Manual Made with the equation editor . Figure DĆ3: Sampling Function SIN(X)/X Pulse Formula and W aveform Constants k0 indicates the frequency of the sine wave; k1 indicates the peak location of the pulse.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ7 Made with the equation editor . Figure DĆ4: Squared Sine Pulse Formula and W aveform Description The pulse width and peak location are set with range () . The value for x is a value between 0 and 1 for range (a,b) .
Appendix D: Sample W aveform Library DĆ8 A WG2021 User Manual This is the rising and falling exponential function pulse. Made with the equation editor .
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ9 Made with the equation editor . Figure DĆ6: Nyquist Pulse Formula and W aveform Constants k0 is the period of the digital data used in communication or recording. k1 is the pulse peak location.
Appendix D: Sample W aveform Library DĆ10 A WG2021 User Manual Made with the equation editor . Figure DĆ7: Linear Frequency Sweep Formula and W aveform Constants " # "&.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ1 1 Made with the equation editor . Figure DĆ8: Log Frequency Sweep Formula and W aveform Constants ! " !% .
Appendix D: Sample W aveform Library DĆ12 A WG2021 User Manual Made with the equation editor . Figure DĆ9: Amplitude Modulation Formula and W aveform Constants k0 is the frequency of the modulating signal, k1 is the carrier frequency , and k2 is the modulation degree.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ13 Made with the equation editor . Figure DĆ10: Frequency Modulation Formula and W aveform Constant ! ".
Appendix D: Sample W aveform Library DĆ14 A WG2021 User Manual Made with the equation editor . Figure DĆ1 1: Damped Sine W ave Formula and W aveform Constants k0 indicates the inductance (L), k1 indicates the capacitance (C), and k3 indicates the damping time constant.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ15 Made with the waveform editor . Figure DĆ12: Pulse Width Modulation W aveform Description $# !.
Appendix D: Sample W aveform Library DĆ16 A WG2021 User Manual Made with the waveform editor . Figure DĆ13: PseudoĆRandom Pulse W aveform Description An MĆseries pseudoĆrandom signal is created using the waveform editor's timing display shift register generator function.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ17 The base band I-axis output for a digital cellular car telephone system is created on the T ektronix digital signal processing work system (DSPW).
Appendix D: Sample W aveform Library DĆ18 A WG2021 User Manual Made with the convolution waveform editor (Option 09). Figure DĆ16: W aveform for Magnetic Disk Readout Signal Description !#.
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ19 Made with the waveform editor . Figure DĆ17: W aveform for Magnetic Disk Readout Signal Description Created a worstĆcase pattern with NRZI modulation using the bit set function of the waveform editor timing display .
Appendix D: Sample W aveform Library DĆ20 A WG2021 User Manual NTSC color bar signals, NTSC Y -C separate signals and various kinds of NTSC signals are stored in the NTSC directory . These are NTSC video signals made up of 1 – 4 color fields and 1050 lines (525 x 2).
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ21 Figure DĆ18: Color Bar (Composite) Signal ($CB1-2H.SEQ) Figure D-19 shows the NTSC Y -C separate signal.
Appendix D: Sample W aveform Library DĆ22 A WG2021 User Manual Luminance Signal Chroma Signal Figure DĆ19: NTSC Y ĆC separate signals Figure DĆ20: Multiburst Signal ($M-BURST .
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ23 Figure DĆ21: Modulated Ramp Signal ($RAMP .SEQ) Figure DĆ22: Sweep Signal ($SWEEP .SEQ).
Appendix D: Sample W aveform Library DĆ24 A WG2021 User Manual Figure DĆ23: SMPTE Color Bar Signal ($SMPTE.SEQ) Figure DĆ24: IYQB Signal ($IYQB.SEQ).
Appendix D: Sample W aveform Library A WG2021 User Manual DĆ25 Figure DĆ25: Reversed Blue Bar signal ($RBLU.SEQ) Figure D-26 shows that the Color Bar signal, IYQB signal and Reversed Blue Bar signal are sequenced at the rate of 2:3:4 respectively . Figure DĆ26: Color Bar + IYQB signal + Reversed Blue Bar ($MIX.
Appendix D: Sample W aveform Library A WG2021 User Manual.
A WG2021 User Manual EĆ1 Appendix E: Functional Operation Summary Introduction This summary shows the A WG2021 functional block diagrams, explains each block, and gives some operating precautions which are of practical value in understanding the fundamental operating concepts of the instrument.
Appendix E: Functional Operation Summary EĆ2 A WG2021 User Manual Block Diagram Figure E-1 is a block diagram of the circuits from the clock oscillator to the digital-to-analog converter (DAC). Figure E-2 shows the block diagram continuing where Figure E-1 left off and goes until the output.
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ3 ! ! ! ! " ! # .
Appendix E: Functional Operation Summary EĆ4 A WG2021 User Manual The oscillator for internal clock use is normally a PLL (phase lock loop) type. It uses a liquid crystal oscillator that provides a stable 12.8 MHz signal. The clock oscillates from 250 MHz to 125 MHz.
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ5 A WG2021 Parallel Operation. When more than two channel outputs are needed, connect as shown below . Simple parallel operation. The SYNC output of the master A WG2021 is connected to the TRIGGER INPUT of the slave A WG2021.
Appendix E: Functional Operation Summary EĆ6 A WG2021 User Manual .
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ7 .
Appendix E: Functional Operation Summary EĆ8 A WG2021 User Manual T rigger Input, SYNC Output, and W aveform Timing. Figure E-7 shows the relationship between trigger input, SYNC output, and waveform timing. T rigger Input (Slope:Positive) SYNC Output (Start) W aveform Output (This delay changes if a filter is inserted.
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ9 This block comprises the sequence memory that stores the contents of sequence control, the counters that read out the contents of that memory , and output the actual waveform memory addresses.
Appendix E: Functional Operation Summary EĆ10 A WG2021 User Manual W aveform Memory Clock (1/8) Length Counter Address Counter Looping Counter Sequence Memory Address Counter Sequence Memory AAA WFM .
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ1 1 ! ! ! ! .
Appendix E: Functional Operation Summary EĆ12 A WG2021 User Manual Figure EĆ1 1: Relationship Between T riangular W ave Resolution and Number of Data Points For a triangular wave, extra waveform points beyond 8000 are meaningless.
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ13 In Cont mode, the original data length is multiplied to make it a multiple of 8. For example, if the original waveform has 60 points, two of them are strung together to make a waveform with 120 points.
Appendix E: Functional Operation Summary EĆ14 A WG2021 User Manual T able EĆ2: Output Signal Amplitude - External Modulation External Modulation Signal Output Signal Amplitude .
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ15 An example is when the CH1 signal is amplitude modulated with the CH2 signal. If CH2 is set to an amplitude of 5 V and an offset of 2.
Appendix E: Functional Operation Summary EĆ16 A WG2021 User Manual avoid overshooting and ringing. Figure E-14 shows representative characteris- tics.
Appendix E: Functional Operation Summary A WG2021 User Manual EĆ17 T able EĆ3: Filter Timer Delay Relative to SYNC Signals (Cont.) Filter Delay Figure E-15 shows the time difference (t) between signals and SYNC signals.
Appendix E: Functional Operation Summary EĆ18 A WG2021 User Manual Figure EĆ16: Attenuator Configuration These attenuators and the above x5 amp are selected automatically by setting the output voltage.
A WG2021 User Manual FĆ1 Appendix F: Miscellaneous General Description This appendix covers the following items. Horizontal axis scaling Sampling theorem Differentiation Integration .
Appendix F: Miscellaneous FĆ2 A WG2021 User Manual Here is the equation for linear interpolation. f ( x ) + x–x i x i ) 1 –x i { f ( x i ) 1 ) –f ( x i ) } ) f ( x i ) Here, i is the waveform point number; i takes integer values i = 1, 2, ..., n.
Appendix F: Miscellaneous A WG2021 User Manual FĆ3 Sampling Theorem When the signal is continuous and the highest frequency component of the signal is f 0 , sampling with T e1/2f 0 loses none of the data contained in the signal. T is the sampling interval.
Appendix F: Miscellaneous FĆ4 A WG2021 User Manual n n Figure FĆ4: Equation Differentiation The values at th.
Appendix F: Miscellaneous A WG2021 User Manual FĆ5 Integration The integ() function integrates numerically based on a trapezoidal formula. The trapezoidal formula is expressed with the following equation.
Appendix F: Miscellaneous FĆ6 A WG2021 User Manual Random (rnd) Function A random number generation algorithm uses an uniform distribution random generation routine and the central-limit theorem to derive Gaussian distribution random numbers. Central-limit theorem: when the independent random variables X 1 , X 2 .
Appendix F: Miscellaneous A WG2021 User Manual FĆ7 Pattern Codes On the A WG2021, it is possible to select the coding system used when pattern strings are output. If the code will be affected by the immediately preceding data, the data item just before the first item of data will be calculated as 0.
Appendix F: Miscellaneous FĆ8 A WG2021 User Manual MFM (Modified FM) : Each pattern is made up of 2 data items. In the table below , data in parentheses () indicates the immediately preceding data of the data for which coding is being attempted. Here the output data is inverted every time when 1 appears in the codes.
Appendix F: Miscellaneous A WG2021 User Manual FĆ9 f/2f : Each pattern is made up of 2 data items. In the table below , data in parentheses () indicates the immediately preceding data of the data for which coding is being attempted.
Appendix F: Miscellaneous FĆ10 A WG2021 User Manual 2-7 RLL : 2-item patterns are made up of 4 data items, 3-items pattern are made up of 6 data items and 4-item patterns are made up of 8 data items. Here the output data is inverted every time when 1 appears in the codes.
Appendix F: Miscellaneous A WG2021 User Manual FĆ1 1 NRZ1 Initial Src 0 Initial Code 0 Out[1/0] Invert/Keep Source Data Pattern Converted Code RZ Initial Src 0 Initial Code 0 Ou.
Appendix F: Miscellaneous FĆ12 A WG2021 User Manual MFM Initial Src 0 Initial Code 0 Out[1/0] Invert/Keep Source Data Pattern Converted Code f/2f Initial Src 0 Initial Code 0 Ou.
Appendix F: Miscellaneous A WG2021 User Manual FĆ13 2-7 RLL Initial Src 0 Initial Code 0 Out[1/0] Invert/Keep Source Data Pattern Converted Code .
Appendix F: Miscellaneous FĆ14 A WG2021 User Manual NAND A B A*B OR A B A+B .
Appendix F: Miscellaneous A WG2021 User Manual FĆ15 NOR A B A+B EX-OR AB A B .
Appendix F: Miscellaneous FĆ16 A WG2021 User Manual EX-NOR AB A B ⊕ FFT (Fast Fourier T ransforms) FFT is an algorithm for fast calculation of discrete Fourier transform.
Appendix F: Miscellaneous A WG2021 User Manual FĆ17 maximum permitted frequency is called the Nyquist frequency and is 1/2 the sampling rate. If the signal has frequency components above the Nyquist frequency , they appear on this limited discrete frequency axis too.
Appendix F: Miscellaneous FĆ18 A WG2021 User Manual π π _ Figure FĆ6: Phase and Delay FFT calculates with limited data blocks.
Appendix F: Miscellaneous A WG2021 User Manual FĆ19 .
Appendix F: Miscellaneous FĆ20 A WG2021 User Manual Square W ave Window . The square wave window does not taper the time region data. The filter shape in the frequency region is sin(x)/x. The square wave window is appropriate for observing the frequency spectrum of non-repetitive signals.
Appendix F: Miscellaneous A WG2021 User Manual FĆ21 Hamming Window . The hamming window is similar to a hanning window , but it suppresses more the transmissivity for the side lobes next to the transmitting bandwidth.
Appendix F: Miscellaneous FĆ22 A WG2021 User Manual Blackman Window . The Blackman window suppresses the side lobe magnitudes in the frequency region lower than the hamming window does and suppresses leakage even farther . However , it has inferior frequency resolution.
Appendix F: Miscellaneous A WG2021 User Manual FĆ23 Repackaging for Shipment If this instrument is shipped by commercial transportation, use the original packaging material. Unpack the instrument carefully from the shipping container to save the carton and packaging material for this purpose.
Appendix F: Miscellaneous FĆ24 A WG2021 User Manual Factory Settings When Reset to Factory is selected from the UTILITY Misc menu, this instrument’ s parameters are reset to the values they had at the factory . T able F-1 lists these factory settings.
Appendix F: Miscellaneous A WG2021 User Manual FĆ25 T able FĆ1: Factory Settings (Cont.) FG Menu The following UTILITY menu settings are not af fected by Reset to Factory .
Appendix F: Miscellaneous A WG2021 User Manual.
A WG2021 User Manual GĆ1 Appendix G: Inspection and Cleaning Inspect and clean the instrument as often as operating conditions require. The collection of dirt can cause instrument overheating and breakdown. Dirt acts as an insulating blanket, preventing efficient heat dissipation.
Appendix G: Inspection and Cleaning GĆ2 A WG2021 User Manual T o clean the instrument exterior, do the following: T o avoid injury or death, unplug the power cor d fr om line voltage befor e cleaning the instrument.
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