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AFG2021 Arbitrary Function Generator Quick Start User Manual

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1. You can select a folder or file using the knob to scroll up and down the list To open a folder push the Change Directory bezel button To open a file push OK To return to the upper directory first select the lt Up Directory gt icon and then push the Change Directory bezel button Ramp Pulse Arb WY or 2926 092 Arb Waveform Menu Frequency Period Phase Menu Amplitude Level Menu 2926 093 Memory Internal USB 1 User Usera Users 5 Edit Memory OK Cancel 2926 094 Memory Internal USB 1 USBO01 ttw UISBOO2 tfw MAY 26 14101 2005 3 USBDOS tfw Mit 26 14 02 2005 Read doa ISEDA tw MAYO 1409 200 LUSBOO4 t Fw Oo AN AAA A E ee ne 1 Change Directory Cancel 2926 085 AFG2021 Quick Start User Manual Modify an arbitrary waveform Operating Basics To modify an arbitrary waveform use the Edit bezel button in the Arbitrary Waveform Menu The Edit bezel button supports several waveform edit functions and provides import or storage of edited waveform data 1 Push the Arb button 2 Push the Arb Waveform Menu bezel button and then push the Edit bezel button 3 Select Number of Points to set the number of waveform points to be edited 4 Select New to write a standard waveform to Edit memory The written waveform has the number of points specified by Number of Points One of five waveform types Sine Square Pulse
2. 2926 004 Trigger Out Sync Clock Ref DAMEL External Power On Default Secure 4 2926 005 Perform instrument self test and self calibration The instrument performs a limited set of hardware tests at power on You can also perform the following manual diagnostics and or self calibration using the Utility menu NOTE Disconnect all the cables from the instrument before performing a self test or a self calibration AFG2021 Quick Start User Manual Diagnostics Self test Perform the self test to verify that your instrument is operating correctly Calibration Self calibration The self calibration mainly checks DC accuracy using the internal calibration routines Perform at least once a year to maintain Getting started DC accuracy It is recommended that the self calibration should be performed along with a periodic check NOTE If you need to verify that the instrument meets the warranted specifications do the complete set of performance verification procedures provided in the Specifications and Performance Verification manual CAUTION Do not power off the instrument while executing self calibration If the power is turned off during self calibration data stored in the internal memory may be lost 1 Push the front panel Utility button 2 Push the more bezel button 3 Push the Diagnostics Calibration bezel button 4 Doone of the following NOTE Before executing self calibration ensure
3. This is an example PaO maT amplitude modulation ii A yi H wh itl i PPTA Muak WPT Mi waveform displayed on Eo A tact TA an oscilloscope screen I REREH IHRE IAN AI IE TARE ARES UTA AAA O inne a j ieee Hil al Ii Mi ji FE HHH Nii A iil ye Wil EHEN IN AE il E NIRI MARU A PI RA INIA A feed deed i DE soom Qtr sv 20 0us A Canton gt gt 60 0000ns 1631 121 You can output frequency modulation or phase modulation waveforms in the same way You can select an internal or external signal as an AM source If you select an external source and set the modulation depth to 120 the output will be at the maximum amplitude when a 1 V p signal is applied to the rear panel EXT MODULATION INPUT connector You can select a modulation shape from the internal memory or USB memory You cannot select Pulse Noise or DC as a carrier waveform The following equations show the output amplitude of AM FM and PM modulation in this example sine waveform 1s used for carrier waveform and modulation waveform AM Output V pp 1 fh sin 27 fmt sin 27 fct FM Output V pA sin 27 fc D sin 27 fmt t PM Output Vp p A sin 27 fet 23650 sin 27 f mt Carrier amplitude A Vp p Carrier frequency fc HZ Modulation frequency fm Hz Time t sec AFG2021 Quick Start User Manual To output an FSK waveform Operating Basics AM Modulation depth M FM Deviation D HZ PM Deviation P de
4. width 0 8 2 0 tEdge Temp3 0 625 period Else Temp 0 8 2 0 width tEdge Temp2 period leadDelay width 0 8 2 0 tEdge Temp3 0 625 period Maximum trailing edge time This value is the minimum of the three in each instance If runMode Continuous Temp1 0 8 2 0 width lEdge Temp2 period width 0 8 2 0 lEdge Temp3 0 625 period Else Temp 0 8 2 0 width lEdge Temp2 period leadDelay width 0 8 2 0 IEdge Temp3 0 625 period 40 AFG2021 Quick Start User Manual Save recall instrument setups Operating Basics You can save up to instrument setups in the instrument internal memory To save more setups use a USB memory device 1 To recall or save an arbitrary waveform push the front panel Save Recall button 2 Use the general purpose knob to highlight a setup that is marked lt empty gt unless you want to overwrite an existing setup NOTE To protect a setup file from accidental overwrite push the more bezel button and then push the Lock Unlock bezel button A lock icon will appear next to locked files 3 Push the Save bezel button to save the setup to internal memory 4 If you want to save a setup to USB memory you must first insert a USB memory device into the port select Memory USB from the bezel menu and then push Save A file with the extension TFS is saved You can name the files
5. Erase a file 5 You can enter a file name lek Tis in this screen Use the tavs he o general purpose knob to At T a oe ER select a character Push AELUEF WH il h L NA LP UHS PUY Way the Enter Character bezel 1 a LSBOO0LTFS MAY 26 00 00 005 button or the front panel 2 USBI TPs Mav 26 00 01 2006 Enter kev toenterthe 551003 TFS Mey 260002 2005 y EE May 26 00 03 20105 Enter character E LIEBIOIS TFA Mey 2500104 20056 tracer Usb IU Fas ey 4B ULUS AIG USBI0I7 TFS May 260006 2005 O61014 TF3 May 260007 2006 Bi US B31099 TFS May 260008 2006 USEI010 TFS May 260009 2005 USBIUT1 ES MEY 2B UL 1 AE Fanrel 6 To recall a setup push SEE the Setup bezel button to 27 AHE select Recall Pers 7 Push the Recall bezel a button A Feral Da ult NOTE Output state is Off by default after reading a setup file You can lock a setup file to avoid accidental overwrite When a memory location is locked a lock key icon will appear on the screen To lock or unlock a setup file push the Lock Unlock bezel button located on the second page of the Save Recall menu To erase a file push the Erase bezel button located on the second page of the Save Recall menu AFG2021 Quick Start User Manual Operating Basics Save a screen image You can save a screen image of the instrument to a USB memory Do the following steps 1 Insert a USB memory to the front panel USB glo connector O D 9 o qe i
6. A firmware update usually takes approximately two minutes Do not remove the USB memory during the update process CAUTION If you accidentally removed the USB memory during the update process do not power off the instrument Repeat the installation process from step 3 9 Wait until the instrument displays a message saying that the operation is complete 10 Push OK CAUTION If the operation complete message is not displayed do not power off the instrument Repeat the installation process from step 2 using a different type of USB memory device AFG2021 Quick Start User Manual Getting started Tek Fry Update 1 Hew Current 1 0 3 01 Build 1 tekafgtb 1 1 0tfb OCT12 14 15 2005 O 2926 047 15 Getting started Connect to a network USB interface Ethernet setup 16 11 Remove the USB memory device from the front panel USB connector 12 Power the instrument off and then back on for the firmware to take effect OOOO 13 Push the front panel 7 gm Utility button to display He uw the Utility menu Confirm that the firmware has been updated B s roa 2 T 2926 014 NOTE You can protect access to firmware update using the Security menu The instrument communication interface allows you to communicate with or remotely control your instrument Depending on the instrument model you can use a USB Etherne
7. TEK R f r Trig d Run A trig E a P PEA Gi 200mve M100ns A Chi f 0 00 v Gy 52 0000ns 2926 069 Gil 200mve CM 100ns A Chi f 0 00 V1 GY 52 0000ns 2926 07 1 Exponential Decay v Run Trig d n dE 200mV 2 M100ns A Chi f 0 00V gt y 52 0000ns 2926 073 AFG2021 Quick Start User Manual Instrument front panel interface and rear panel Select run mode Push one of the four Run Mode buttons to select the instrument signal output method 1 The default Run Mode is Continuous Run Mode Freq 1 LUDO OOO 00 mare Continuous Phase 1 00 Ampl y ipe Offset Om 2926 033 2 To select a modulated waveform push the i E dea Modulation button FI AA OO me 7 a Source i ols AM Source amp LILI vee AMFreq 10 00 kke Intemal External Offset Oni Shape Sine Depth 50 0 Frequency J Modulation Shape nek ii Ml AS Depth 2926 034 AFG2021 Quick Start User Manual 29 Instrument front panel interface and rear panel 3 To select a sweep waveform push the Start Sweep button ani San SEA ALI Frequency Sweep Stop k A DL Hald IE Sto See See page 50 for a 0 Ollie Return Oms a Modulation details on sweeping Offset Om Type linear waveforms Interval 1 000 ms Sweep Time Return Time 0 rm BB Ae es oo ol More 1 of 3 2926 035 4 To select a burst waveform push the Burst bu
8. The following conversion table shows the relationship between Vp p Vrms and dBm Vp p 10 00 Vp p 2 828 Vp p 2 000 Vp p 1 414 Vp p 632 mVp p 283 mVp p 200 mVp p 10 0 mVp p Vims 3 54 Vrms 1 00 Vrms 707 mVrms 500 mVrms 224 mVrms 100 mVrms 70 7 mVrms 3 54 mVrms dBm 23 98 dBm 13 01 dBm 10 00 dBm 6 99 dBm 0 00 dBm 6 99 dBm 10 00 dBm 36 02 dBm AFG2021 Quick Start User Manual Channel output On Off 1 Rear panel To enable signal output push the front panel Eon Channel On Off The button is lit with an LED when it is in the On state You can configure the signal with the outputs off This will allow you to minimize the chance of sending a problematic signal to a DUT Instrument front panel interface and rear panel 2926 045 The following illustration shows the rear panel connectors for the instrument Item O amp AFG2021 Quick Start User Manual Description Power input This is where you attached an appropriate power cord to supply power to the instrument Chassis ground screw This screw is used to ground the instrument Use a unified coarse screw 6 32 6 35 mm length or less LAN port This port can be used to connect the instrument to a network Connect a 10BASE T or 100BASE T cable here NOTE This port is only available for the AFG2021 with option GL USB type B connector This can be used to connect a U
9. e Rotate C Horizontal Shift Move cursors to edt a segment File Transter Control Import Waveform from Scope Sampling Rate 4 GS s Point 8 Volt 0 67 Mode 3 Oscilloscope Status NogSonnected Arb Status Not Connected Se 1631 179 Item Description 1 Menu bar The menu bar provides access to the application functions When you select a menu item the application displays the associated dialog box or the menu selection causes an immediate action 2 Toolbar The toolbar buttons provide instant access to most features without having to navigate through several menus 3 Shortcut View The Shortcut view occupies the left part of the display Use the Shortcut view to quickly access various functions provided by the application Refer to the ArbExpress online help for more information 4 Status bar The status bar located below the waveform and marker display shows information about the application and the waveform 5 Waveform display area When you create or open a waveform it will be displayed in this area 6 Marker area Marker patterns appear in this area You can toggle the display of markers by selecting Display gt Marker from the menu bar 74 AFG2021 Quick Start User Manual Operating Basics Basic operations The following steps explain basic waveform creation and other useful functions that are available with ArbExpress 1 To create anew waveform use the File m
10. or the general purpose knob to set the amplitude value Instrument front panel interface and rear panel Frequency Period Period Phase Menu Amplitude Level Menu gt Run Mode Menu Phase Output Menu 2926 042 AO 1 000vpp Period 0 Omv Ampl Offset 2926 050 Tek ss Cont p aa Frequency LET 1 000 8 e 1 000vpp caie O 0 Omv Ampl Offset 2926 051 Frequency Period Amplitude 40 Offset Phase Menu Amplitude Level High Level Menu Run Mode Reni Low Level Output eee Menu 1 of 2 2926 038 Tek Cont Freq 1 000 000 000 O0mxz Amplitude Phase 0 002 om __ AM Sd 1 0000 Ko o um Hiah Level 2926 052 31 Instrument front panel interface and rear panel Unit conversions 32 12 To change the amplitude units push the more bezel button to display the second page of the menu 13 Push the Units bezel button to display units selection bezel menu and make your selection By default Vpp is selected 14 Push the High or Low Level bezel button to select that parameter 15 Use the numeric keypad or the general purpose knob to set the value You can change the values of Phase and Offset in the same way Amplitude Offset High Level Low Level Units more more 1 of 2 2 of 2 Tek Cont 1 000 000 000 OOmHz o 0 00 m i o a 8 y E Freq Phase o Amplitude
11. 000009 2926 012 2 Set the display to show the screen you want to save as image Then simultaneously push the two arrow keys underneath the general purpose knob on the front panel 3 A message appears on the screen indicating that the screen image was saved 2226 027 NOTE Image files are saved in a folder named TEK in the USB memory device 4 Push OK NOTE Image files are saved as BMP format The instrument gives all files created by the instrument the default name TEKOOnnn BMP where the nnn are placeholders for an automatic number sequence from 000 to 999 AFG2021 Quick Start User Manual 69 Operating Basics Security menu Access protection 70 Use the Security menu to limit access to the Firmware Update and Service menus refer to the Service manual for information about the service menu From the Security Menu you can set access protection and change passwords In the Access Protection menu you can set a password that must be entered for a firmware update to be implemented Access protection 1s set to Off by default To turn 1t on do the following 1 Push the front panel Utility button to display the Utility menu and then push the more bezel button twice Select Security Menu Select Access Protection to display the password input page Enter your password Use the general purpose knob to select the characters and push the Enter Characte
12. Ramp and Noise can be selected 5 Select Operation to display the Operations submenu 6 Select Read from to write a standard waveform to Edit memory The written waveform has the number of points specified in the Number of Points menu One of five waveform types Sine Square Ramp Pulse and Noise can be selected NOTE Push the more bezel button to see the Read from menu item AFG2021 Quick Start User Manual Ramp Pulse Arb Oca 2926 092 Arb Waveform Menu Frequency Period Phase Menu Amplitude Level Menu 2926 093 Number 0 Points f New Read from 0 2926 105 43 Operating Basics 44 7 Push Operation to display the Operations submenu m Push Line to display the Line edit submenu m Push Data to display the Data Point edit submenu m Push Cut to display the Cut Data Points submenu 8 Select Paste at Beginning to append a waveform at the beginning of the edit waveform Select Paste at End to append a waveform at the end of the edit waveform 9 Select Write to to display a submenu to write waveform data to Line DATA Cut 2926 106 Paste at Beginning Paste at 8 End Write Des 2926 107 AFG2021 Quick Start User Manual Arbitrary waveform edit example 1 1 AFG2021 Quick Start User Manual Select Number of Points and use the numeric keypad or the general knob to set the number
13. d M Pos F60 0us double pulse 4 This waveform is a trigger output signal i 0 J LP Ley 2 CA 10 0 CH2 20 0 MM 1 00ms Ena a 1631 109 In the gated burst mode the output is enabled or disabled based on the internal gate signal or an external signal applied to the front panel Trigger Input connector While the gate signal is true or the front panel Manual Trigger button 1s pushed in the instrument outputs a continuous waveform NOTE Once Gate is selected burst count parameters are ignored AFG2021 Quick Start User Manual AFG2021 Quick Start User Manual Push the front panel Burst button to display the burst menu Select Gate This is a sample oscilloscope screen The top waveform is a trigger output signal This is a gated waveform sample Operating Basics Burst Hee 1 000 N00 IDO Nmr Lytle Lete Anil core mema Olis Ol yy TriuDelay 0 rs Interval 1 000 ms hi Tyrles aUl mr A dl A 307 nv E a aa a la A a a a cal ate Tia Tek Run NEP PT AAA TAN TNA AAA E 5 WE 500mV M2 00us A Ch4 f 900mV ich3 1 00V Ch4 5 00V i T G 3 36000ps i 1631 111 49 Operating Basics Sweep a waveform 50 The Sweep outputs a waveform with the output signal frequency varying linearly or logarithmically E Stop frequency m Sweep time Return time Center frequency m Frequency span Hold time Frequency Stop Freq ee Eee Start Freq Sweep Return g
14. environmental standards with which the instrument complies Meets intent of Directive 2004 108 EC for Electromagnetic Compatibility Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Communities EN 61326 1 2006 EMC requirements for electrical equipment for measurement control and laboratory use 23 CISPR 11 2003 Radiated and conducted emissions Group 1 Class A IEC 61000 4 2 2001 Electrostatic discharge immunity m IEC 61000 4 3 2002 RF electromagnetic field immunity m IEC 61000 4 4 2004 Electrical fast transient burst immunity IEC 61000 4 5 2001 Power line surge immunity IEC 61000 4 6 2003 Conducted RF immunity JEC 61000 4 11 2004 Voltage dips and interruptions immunity EN 61000 3 2 2006 AC power line harmonic emissions EN 61000 3 3 1995 Voltage changes fluctuations and flicker European contact Tektronix UK Ltd Western Peninsula Western Road Bracknell RG12 IRF United Kingdom 1 This product is intended for use in nonresidential areas only Use in residential areas may cause electromagnetic interference 2 Emissions which exceed the levels required by this standard may occur when this equipment is connected to a test object 3 For compliance with the EMC standards listed here high quality shielded interface cables should be used AFG2021 Quick Start User Manual Compliance Information Australia New Zealand Complies with the EM
15. lead to excessive current flow and the internal or external circuits may be damaged WARNING To prevent electrical shock use this product so that the sum of the floating voltage and the output voltage of the instrument does not exceed 42 Vpk Do not touch the center of the BNC while the equipment is in use Y Common ground 2926 104 Chassis ground AFG2021 Quick Start User Manual 11 Getting started Protect your DUT 12 Use care when you connect the instrument Channel Output to your DUT device under test To avoid damage to your DUT the following preventive measures are provided Follow these steps to set the limit values for high level and low level 1 Push the Output Menu bezel button 2 Push the Limit bezel button 3 Push the High Limit bezel button 4 Notice that in this example High Limit is set to 5 000 V and Low Limit is set to 5 000 V 5 Use the numeric keys or the general purpose knob to set the High Limit to 50 mV and the Low Limit to 50 mV 6 Push the front panel Sine button to display the waveform parameter Confirm that High and Low voltage levels were changed NOTE You cannot enter any values greater than 50 mV for High level Frequency Period Phase Menu Amplitude Level Menu D gt Run Mode Menu Output Menu O SS High Limit Low Limit 5 0 mV Doo 8 Tek Cont Load Impedance Invert Wi On Limit 2 Nois
16. menu on the right side of the screen The menu shows the options that are available when you push the unlabeled bezel buttons directly to the right of the screen Some documentation may also refer to the bezel buttons as option buttons side menu buttons or soft keys 2 Graph waveform display area This part of the main display area shows the signal as a graph or waveform 3 Level meter The top portion of the indicator shows the high limit value the bottom portion of the indicator shows the low limit value and the indicator itself shows the currently selected level 4 Parameter display area This part of the main display area shows active parameters 9 Message display area A message that monitors hardware status such as clock or trigger is displayed in this area 6 Output status If the output is set to disable Output Off message is displayed in this area When you push the front panel channel output button to enable the output the message will disappear AFG2021 Quick Start User Manual 23 24 Instrument front panel interface and rear panel Default setup When you want to restore the instrument settings to the default values use the front panel Save Recall button as follows 1 Push the front panel Save Recall button 2 Push the Setup bezel button to select Recall 3 Push the Default bezel button 4 Select one of the following m OK to recall the default settings the instrument will display a 1 MHz
17. of waveform points to 1000 Select New and then select Sine Save this waveform to User Next create a 900 point ramp waveform Select Operation and select Line Do the following line edit m X1 1 Y1 8191 m X2 250 Y2 16382 Push Execute Once again select Line from Operation and perform the following line edit m X1 251 Y1 16382 m X2 500 Y2 8191 Push Execute Save this waveform to User2 Next paste a waveform Push Read from and select User1 Push Paste at Beginning Select User2 waveform and then select Paste The waveform shown here is created Operating Basics The following example shows how to use the Line edit function Paste a ramp waveform before sine waveform A Trig d hi Pos 480 0ns Tek ES Paste at Points Beginning Paste at 1 Write O A to Operation Read from CH1 Pk Pk 22 4Y Cyg AMS Period Freq CHI 5 00 M 100ns CH1 2926 088 Operating Basics Arbitrary waveform edit The following example shows how to edit a waveform by data point In this example 2 example you can add a noise spike to the sine waveform 1 Push Read from and select User 2 Push the Read bezel button and change the screen to a table display 3 Push Operation and select Data 4 Perform the following data point edit m X 250 Y 8191 m X 251 Y 8191 m X 750 Y 8191 m X 751 Y 8191 5 After each data ed
18. parameters 30 Programmer Manual ix x1 20 Protect output circuits Fuse adapter 10 Protect your DUT 12 Pulse waveform formulas 39 Pulse width modulation Application examples 82 Pulse width modulation 77 Sweep 81 R Rear panel 33 Recalling waveform data 38 Saving waveform data 44 Recommended accessories 3 Reference signal Internal or External 62 Remote control ArbExpress 77 Return time sweep waveform 50 Run Mode 29 S Safety Summary 1v Save a screen image 69 Save a waveform Save Recall arbitrary waveform 41 Save Recall arbitrary waveform 36 Save Recall instrument setup 67 Save Recall instrument setup 67 Save Recall instrument setup 65 To generate an arbitrary waveform 42 Screen image save 69 Screen interface 23 Screen interface 70 System requirements 73 Screen saver Utility menu 65 Secure function Utility menu 65 Security menu 70 AFG2021 Quick Start User Manual Security menu 67 Firmware update 16 Security slot rear panel 34 Selecting a local language 9 Self calibration 7 Self test and self calibration synchronous operation 63 Self test Utility menu 7 Set up load impedance 59 Setups Save and recall 41 Side menu buttons 23 Sin x x standard waveform 28 Soft keys 23 Standard accessories 2 Standard Waveform dialog box ArbExpress 75 Standard waveforms 26 Stop frequency sweep waveform 50 Sweep 50 Sweep time sweep waveform 50 Sweep waveform Applicat
19. suc 13 76 44 Feh 32012 164419 MA AY Before the password is changed for the first time the default password is Tea _ Enter haractar Uk Enge 71 Operating Basics 12 5 Enter a new password ak TEDA Use the front panel A p general purpose knob EEF IA AEAEE to select a character Si DEFGHI JRL MAP IRS TUYA YE and then push the Enter Character bezel button You can also use the front panel numeric keypad and the Enter button As you enter the characters of your new AFCZOZ version LUbbeta Jule 13 16 49 password they are Feh 32012 hdd La e nico Nte displayed on the screen Check carefully to ensure you are entering the desired characters 6 Select OK to activate the new password NOTE A password must have at least four characters and not more than12 characters Y Access PrnecTior _ Enter haractar OF NOTE To activate or deactivate the access protection you must enter the password you set If you forget the password you must return the instrument to Tektronix to reset the password AFG2021 Quick Start User Manual Operating Basics ArbExpress ArbExpress is a Windows based software for creating and editing waveforms for Tektronix AWG and AFG instruments With ArbExpress you can quickly and conveniently create the desired waveforms and send them to the instrument The following table and list describe the system requirements and general features System requir
20. that the ambient temperature is between 20 C and 30 C 68 F to 86 F and allow a 20 minute warm up period Execute Diagnostics Push this bezel button to execute the instrument diagnostics Execute Calibrations Push this bezel button to execute self calibration 5 If the diagnostics or calibration completes without any errors the message PASSED is displayed Help Utilit 3 Diagnostics o Calibration AFG2021 April 15 2012 C gt Status Diagnostics System i D Backup Restore Channel Copy 2926 006 Execute Diagnostics je Execute Calibration Version 1 1 7 www tektronix com 2926 022 AFG2021 Quick Start User Manual Getting started Select a local language You can select the language you want displayed on the instrument screen When you power on the instrument for the first time English is selected by default After you select a desired language all the bezel menus pop up messages and built in help are displayed in the specified language The main display area 1s not translated 1 Push the front panel Utility button ee 2 Push the Language bezel Language button Help utity English a System Status more 10f3 3 Select the desired glis zZH English language carne Ajo You can select from Frangais aie English French German Bienvenue PMES Japanese Korean Deutsch quemar Simplified Chinese Willkommen EURA Tradi
21. www tektronix com Restriction of Hazardous This product is classified as Monitoring and Control equipment and is outside the Substances scope of the 2002 95 EC RoHS Directive X AFG2021 Quick Start User Manual Preface This manual describes the installation and operation of the Tektronix AFG2021 Arbitrary Function Generator along with basic operations and concepts Where to find more information The following table lists related documentation available for your instrument The documentation is available on the Product Documentation CD and on the Tektronix Web site www tektronix com manuals Item Quick Start User Manual Built in Help Programmer Manual Service Manual Technical Reference ArbExpress Software CD Location Purpose Unpacking Installation Tutorials Operation and Overviews Ul Help and Operation Menu Structures User Interface and Programming Information Self service and Performance test OD gt Specifications and performance lt a gt verification lt gt procedures Waveform creation Import waveforms lt gt a WWW Tektronix com from oscilloscope or PC Conventions used in this manual The following icons are used throughout this manual Front panel power AFG2021 Quick Start User Manual Network E Connect power Xi Preface The soft keys along the right side of the display are called bezel buttons
22. 5 You can also recall waveforms by selecting Setup Recall from the bezel menu and then select the setup you want to recall using the general knob 6 Push the Recall bezel button NOTE If you want to delete a setup from memory push the more bezel button and then push the Erase bezel button and confirm your selection by pushing OK AFG2021 Quick Start User Manual N Help Utility Sa Y 2926 028 Sen Burst E LUN LUM LU ms WLY A A my 2 Setups a SETUPS 4 Setups ZEILE yava Fecal Mercy lie nal Feral Da ult see Th Setup ETA Recall Memory A Sve Mite ate 4 Operating Basics Generate an arbitrary waveform The instrument can output an arbitrary waveform that is stored in the internal 42 memory or a USB memory NOTE File names are displayed only in English characters If you use non English characters to name a file these characters are replaced by symbols such as 1 Push the front panel Arb button 2 Push the Arb Waveform Menu bezel button 3 The Arb Waveform Menu is displayed You can now browse a list of waveform files in the internal memory or USB memory Select Internal You can specify a file from User 1 through User 4 or Edit Memory Use the front panel general purpose knob to scroll the files then select a file and push OK 4 When USB is selected the instrument lists a directory of the folders and files on the USB memory
23. AFG2021 Arbitrary Function Generator Quick Start User Manual POE O AN OA OOOO AA Tektronix 071 2926 00 Y AFG2021 Arbitrary Function Generator Quick Start User Manual www tektronix com Tektronix 071 2926 00 Y Copyright O Tektronix All rights reserved Licensed software products are owned by Tektronix or 1ts subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc Additional trademark statements can be added here Contacting Tektronix Tektronix Inc 14150 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support In North America call 1 800 833 9200 Worldwide visit www tektronix com to find contacts in your area Warranty Tektronix warrants that the product will be free from defects in materials and workmanship for a period of three 3 years from the date of original purchase from an authorized Tektronix distributor If the product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchang
24. Analysis Module S ubleshooting for Oscilloscopes Americas 1631 056 3 Insert the USB memory device into the front panel USB connector on your instrument OOOO 2926 012 AFG2021 Quick Start User Manual 13 Getting started 4 Push the more bezel a ae button twice in the Utility Interface Update O menu Language 5 Select Firmware Update English NOTE If the USB memory System rial device is not inserted the Firmware Update bezel button Status is disabled NOTE If Access Protection 10f3 4 303 is on the Firmware Update bezel button is disabled 6 Select the downloaded Tek firmware file by rotating puo T rar New xecute the general purpose Current 1 0 3 01 Build A knob and then push the 1 tekafgtb 1 1 04f OCT12 14 15 2005 Execute bezel button NOTE The firmware file name is as follows tekafgtb 1 x x tfb 0K Cancel 2926 043 7 The instrument asks you Tek HO Fr Update fi Are you sure you want ee Execute to update firmware Current 1 0 3 01 Build Select OK 0K Cancel 2926 044 14 AFG2021 Quick Start User Manual 8 The instrument displays a message telling you not to remove the USB device or power off the instrument until the update process is complete The clock symbol at the top right of the screen indicates the update process is in progress CAUTION
25. C provision of the Radiocommunications Act per the Declaration of following standard in accordance with ACMA Conformity EMC AFG2021 Quick Start User Manual CISPR 11 2003 Radiated and Conducted Emissions Group 1 Class A in accordance with EN 61326 1 2006 Australia New Zealand contact Baker amp McKenzie Level 27 AMP Centre 50 Bridge Street Sydney NSW 2000 Australia Vil Compliance Information Safety Compliance EC Declaration of Conformity Low Voltage U S Nationally Recognized Testing Laboratory Listing Canadian Certification Additional Compliances Equipment Type Safety Class Pollution Degree Description Vill Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities Low Voltage Directive 2006 95 EC EN 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use UL 61010 1 2004 2nd Edition Standard for electrical measuring and test equipment E CAN CSA C22 2 No 61010 1 2004 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 m IEC 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Test and measuring equipment Class 1 grounded product A measure of the contaminants that could occur in the environment around and within a product Typically the internal envi
26. FG2021 Arbitrary Function Generator Quick Start User Manual English Option LO French Option L1 1 Italian Option L2 1 German Option L3 1 Spanish Option L4 4 Japanese Option L5 1 Portuguese Option L6 Simple Chinese Option L7 1 Traditional Chinese Option L8 Korean Option L9 1 Russian Option L10 1 No printed manual Option L99 AFG2021 Documentation CD containing the following PDF documents AFG2021 Arbitrary Function Generators Programmer Manual AFG2021 Arbitrary Function Generators Service Manual AFG2021 Arbitrary Function Generators Specifications and Performance Verification Manual ArbExpress Waveform Creation and Editing Tool for Tektronix Arbitrary Function Generators Software CD with instructions USB cable Power cord Specs 115 V 60 Hz 220 V 50 Hz 240 V 50 Hz 240 V 50 Hz 220 V 50 Hz Description North America Option AO Universal Euro Option A1 United Kingdom Option A2 Australia Option A3 Switzerland Option A5 AFG2021 Quick Start User Manual Tektronix part number 071 2926 xx 071 2927 xx 071 2928 xx 071 2929 xx 071 2930 xx 071 2931 xx 071 2936 xx 071 2932 xx 071 2933 xx 071 2934 xx 071 2935 xx 063 444 1 xx 077 058 7 xx 077 0586 xx 077 0588 xx 063 3763 xx 174 4401 xx Description 100 V 110 120 V 60 Hz 220 V 50 Hz 240 V 50 Hz 110 220 V 60 Hz Getting started Tektronix part number Japan Option A6 China Opti
27. Hz 5 00 N Cycles 5 Internal 0 0 ns 1 000 ms 25 Instrument front panel interface and rear panel Select waveform 26 Menu System Default setting System related settings Trigger out Trigger Clock reference Internal The Default bezel button in the Save Recall menu does not reset the following settings Language option Power on settings E System related settings display brightness screen saver click tone and beeper E Saved setup and waveform files Calibration data GPIB and Ethernet setups Access protection The instrument can provide 12 standard waveforms Sine Square Ramp Pulse Sin x x Noise DC Gaussian Lorentz Exponential Rise Exponential Decay and Haversine The instrument can also provide user defined arbitrary waveforms You can create edit and save your custom waveforms You can also create modulated waveforms using the Run Mode Modulation menus The following table shows the combination of modulation type and the shape of the output waveform Sine Square Ramp Arb Sin x x Gaussian Lorentz Exponential Rise Noise Exponential Decay Haversine Pulse DC AM a FM N PM a FSK N PWM N AFG2021 Quick Start User Manual Instrument front panel interface and rear panel Sine Square Ramp Arb Sin x x Gaussian Lorentz Exponential Rise Noise Exponential Decay Haversine Pulse DC Sweep y Burst a a NOTE When the instrument outputs an Arb waveform Vp p o
28. Manual Push the front panel power button to power off the instrument 2926 003 Getting started Change instrument settings at power on The default settings are restored when you power on the instrument You can change the power on settings to the last powered off settings from the Utility menu using the following procedure 1 Push the front panel Utility button 2 Push the System bezel button 3 Push the Power On bezel button to select from the following the power on settings m Default restores the default settings when the instrument is powered on m Last restores the same settings as when the instrument was last powered off 10 Help Uti iy Interface Language English System Status 2926 004 Trigger Out Sync Clock Ref Internal External Power On Default Secure AFG2021 Quick Start User Manual Getting started Erase instrument setups and waveforms from memory You can also erase all instrument setups and waveforms from the instrument internal memory using the following procedure NOTE You can restore the instrument to its default settings at any time without erasing memory by using the default setup procedure See page 24 Push the front panel Utility button Push the System bezel button Push the Secure bezel button 7 1 0 Help Utility Interface Language English System Status
29. SB type B controller GPIB This is port can be used to control the instrument through GPIB commands NOTE This port is only available for the AFG2021 with option GL 33 Instrument front panel interface and rear panel Item Description 6 EXT REF INPUT connector This is a BNC connector for the external reference input 7 EXT MODULATION INPUT connector This is a BNC connector for the external modulation input It can be used to input a modulated signals 8 Security slot This slot allows you to use a standard laptop computer security cable to secure your instrument to your location 9 Fan ventilation vent This is the ventilation opening for the fan 34 AFG2021 Quick Start User Manual Operating basics Quick tutorial How to select a waveform and adjust parameters If you are a beginning user you can follow the steps described here to get acquainted with how to select a waveform and adjust waveform parameters 1 2 oS AFG2021 Quick Start User Manual Press the power button to on the instrument Connect the Channel Output of the instrument to the oscilloscope input with a BNC cable Select a waveform Enable the signal output Observe a waveform displayed on the oscilloscope screen Use the front panel shortcut buttons on the instrument to select a waveform parameter Select Frequency as a parameter to be changed Change the frequency value using the numeric keys Change the waveform parameters us
30. Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES W16 15AUG04 Table of Contents General safety SUMMATY ona IV Compliance il On AIO Ml sae indias vi EMC Compin eeraa ENE es vi Srs srpa rE a An PO te taecer arenes eesanaen4csesace viii Environmental Considerations ce A aa X e tw wean o ne ae kay eco eucntawees careers seen xi Where to find more IN OTMAtION ooooocconccccnnnnnnnnncnn nn Xi Conventions used in this mall ecos itis s A E EEE SA xi E A EEEE o PI A l General aaa E EE rana l Belore installation narra l Standand ACCESSORIES o ios coo diario enano esas 2 Optional ACCESSOMNES lt 222pccaiersnsceansoeehaudccsasandssgunt anadagiededeonsdecaceauinbadeeedbsansdauaedosales 3 AS iM eo
31. UTION When you a USB memory device to the instrument a caution message appears on the screen Do not remove the USB memory device until the message disappears If you remove the USB memory device while this caution message is displayed it may cause damage to the instrument USB connector This instrument supports a USB memory with a FAT12 FAT16 or FAT32 file requirements system Emissions may exceed the specification limit if a USB cable is placed in the front panel USB memory connector Use only appropriate USB memory devices 64 AFG2021 Quick Start User Manual Utility menu AFG2021 Quick Start User Manual Operating Basics Push the front panel Utility button to display the Utility menu The Utility menu provides access to utilities used by the instrument such as I O interface system related menus diagnostics calibration and local language preferences 10 11 12 13 Push the front panel Utility button to display the Utility menu which has the following options I O interface See page 16 Connect to a network Language See page 9 Select a local language System related menus see step 6 and step 7 Push the Status bezel button to display the instrument status Push the System bezel button to display the System submenu For Trigger Out information See page 57 For Clock Reference information See page 62 You can select the instrument power on settings Executing the Secure func
32. Utility menu The following image shows the correct setup Some documentation may also refer to the synchronous operation as master slave operation B T l pa sc e To leal H L E 10 MHz signal source 1 Use a BNC cable to connect the front panel Trigger Output of one instrument master to the Trigger Input of another instrument slave The master unit sends a trigger signal to the slave unit 2 Connect the rear panel Ext Ref Input master to a 10 MHz signal from another source 3 Connect the rear panel Ext Ref Input slave to the 10 MHz signal source This signal source controls the clock of the master and slave units 4 Push the front panel Utility button and then push the System Triaaer Out bezel button of the master unit to display the System menu ate nis Hat Item EKAA Pe On Lost FEITE TWH ET ae AFG2021 Quick Start User Manual 63 Operating Basics USB memory A USB memory connector located on the front panel of the instrument allows you to perform the following tasks E Save or recall user defined waveforms to from a USB memory device See page 41 Save recall instrument setups E Save or recall setups to from files on a USB memory device See page 67 Save recall instrument setup Update your instrument firmware See page 13 Update your instrument firmware m Save a screen image See page 69 Save a screen image A CA
33. When the instrument is used by students or other inexperienced users always attach the fuse adapter to the output connectors to avoid damage See page 3 Optional accessories 1631 061 Figure 2 Fuse and fuse adapter 1 Fuse adapter 2 Fuse AFG2021 Quick Start User Manual Getting started Floating ground Since the common input and output channels of the arbitrary function generator are electrically isolated from the chassis ground the instrument chassis and ground line of the AC connector you can make a floating connection between the instrument and other equipment All the BNC connectors are connected to the common ground and the remote interface connector 1s connected to the chassis ground AN CAUTION The maximum rated voltage between the chassis ground and common ground is 42 Vp p DC peak AC When the potential voltage between the chassis ground and common ground goes over 42 Vp p the internal protective circuit will be activated to protect the circuits However higher voltage may cause the internal circuits in the instrument to be damaged When a potential voltage exists between the chassis ground and common ground a short circuit from output to ground causes the instrument internal fuse to open and the output is stopped If the fuse opens you need to contact your local Tektronix Service Support When a potential voltage exists between the common ground and chassis ground short circuiting between them may
34. Y AMPLITUDE Frequency 1 MHz Span kH RBW 200 Hz Cancel Back 50 kHz Trace 1 Normal Ref Level Input Att Trace 2 Off dBm fa 12 dBm Auto Level Vertical Scale dB div 10 Vertical Units dm dBjuW Y pav w 10 Bf Corrections 112 i dBm hatte fl Kad Aalha ahini stats hadha afl Center 1 MHz Span 50 kHz Spectrum Analyzer Measurement Off Ref Level dBm 12 1631 005 83 Application examples 84 AFG2021 Quick Start User Manual Index A Access Protection Utility button security menu 70 Access protection 67 Connecting to a network 16 Access Protection 67 Firmware update 14 Add Noise 60 Amplitude To change the units 32 Application examples Frequency modulation 83 Measurement of filter characteristics 81 Pulse width modulation 82 Arb button front panel Recalling arbitrary wavetorms 41 ArbExpress screen interface 74 ArbExpress 69 79 ArbExpress 69 73 Saving arbitrary waveform 41 ArbExpress 1x xi 73 ArbExpress ix 69 Basic operations 75 B Beeper Utility menu 65 Bezel menu screen interface 23 Burst waveform generate 47 C Carrier null Application examples 83 Center frequency sweep waveform 50 AFG2021 Quick Start User Manual Changing the password Security menu 71 Channel output On Off 33 Chassis ground screw rear panel 33 Click tone Utility menu 65 Clock reference ex
35. a a 38 AFG2021 Quick Start User Manual 1 Table of Contents 11 disc A A o re E E A RA 39 Generate a Pube Wave Or Mierea a a a une deen a 39 Saverecall imstrument sos eerie Ra EEE teaedeeaees 41 Generate an arbitrar way Cloris 105 6 ir 42 Modif anarolrar y Wave l OrM iperen a ei T 43 Generate Noe DC sireci A a AIR E aE 47 Generate a DUISE WAVE LOT jo ici ed a E E E a E adari 47 S A II E 50 Modulate Wave lol acarar A eeaetecueliatoes 53 TO MS EEEE AEA TE E E O ETE E ie ae 57 Seto load impedancia DSi idas 59 A E EN 60 Reference CLOCK ii a a a naa 62 SyAchtonols Opera OM decia raton tii pitos 63 ISBN arriero cis ois 64 in A siete esd iwe dt Cue hee cles lieth ty beatae 65 Save recall instrumentscllDa iii ii id 67 SA A uh aod nee carl nih cu edule uu ora etng 2 69 SCCI ING 010 E A O O A rede hie secu eeauenee E A 70 PTO ECS A TEE E A 73 APplica ton GC XAIM PICS triste ddias 81 Measurement ot filter CharacleristiCs aE EEEE ENLA tesa E 81 Motor speed control by pulse width modulation ooooccoocccccnccccnnonrcnnnnnnnononcccn nana 82 Carmier null frequency Modulation SAA edo eae 83 Index AFG2021 Quick Start User Manual List of Figures Figure 1 Instument dimensi ns secos tner ect ceo poe ti Figure 2 Fuse and fuse adapter AFG2021 Quick Start User Manual 111 General safety summary General safety summary To avoid fire or personal injury Review the following safety precautions to avoid injury and prev
36. are ramp and pulse or arbitrary waveforms The instrument allows you to use the following two types of burst modes Triggered burst mode A specified number burst count of waveform cycles are output when the instrument receives a trigger input from the internal trigger source an external trigger source a remote command or the Manual Trigger button Gated burst mode The instrument outputs a continuous waveform when an effective gate signal is applied externally when the Manual Trigger button is depressed when a remote command is applied or during 50 of the selected internal trigger interval 47 Operating Basics To generate a gated burst 48 To generate a triggered burst waveform waveform The instrument provides the following three trigger sources for Burst mode Internal or external trigger signal Manual trigger Remote command The following example describes how to generate a double pulse using the burst mode 1 Select Pulse as an output waveform e E TEETE and then push the Fec 1 000 DOO JDO CI Imr front panel Burst AI AE button Cycle N Circle 2 Confirm that 1 Cycle Trivelay 0 0 ns N Cycles or Inf Cycles Interval 1 000ms is selected which ht Pyurle means triggered burst mode is enabled To generate double pulse set the burst O TA oo count N Cycles to Tia 2 by pushing the N Cycles bezel button and then pushing the 2 button 3 This is an example of Tek Ji Trig
37. ce Amplitude 1 C Copy trom clipboard Operati Add C Subtract Multiply Divide M Only Between Cursors cal 1631 183 AWG AFG File Transfer and Control E Connect 32 Disconnect EY SF PC Folders PC Files AWG Ethernet LIA AFG3252 y Waveform A File s Folderfs Name 1006 Bluet COD gt GD Ri Edee y lt i gt Wawe forml cow Wave forml set Wawe form thw Wawe forme tiw Wawe forms tty Transfer Direction 4F6 Memory Wave form EMEM Waveform 3 thu USER1 lt Drag source file and drop here gt USER2 lt Drag source file and drop here gt USER3 waveform 2 thu IICQGFRA d Miran ennroa fila and dran hara gt You can transter files trom PC to EMEM PC to USER EMEM to USER EMEM tn Pr Instrument Control Channel 5 elector CH1 v 4 Output On 0 00 Deg Arnplitude 5 00060 Vp p Difset 2 500 0 Operating Mode Burst 1 Cycle l Qutput Frequency 200K Hz Function EDIT y EMEM Size 1000 Points Run Stop Glose Help Instrument Connected AFG3252 1631 184 Tl Operating Basics 78 Using CSV format waveform data ArbExpress allows you to convert a CSV Comma Separated Value format file which is created by Microsoft Excel to waveform data that is compatible with the instrument Create a CSV file to use with ArbExpress Enter point or time
38. cted the trigger output is a square waveform and the rising edge at the start of each sweep AFG2021 Quick Start User Manual IA nia Pach ik Soot a ch2 mM 400ne a ch2 y ero L G gt v52 0000ns Tek Run E T Trig d a O BO epee A a wakina TOR P D STE 1 00 v oam ZOOMART Y 1 32 v 57 Operating Basics 58 4 Modulation mode Tek fun When internal ek modulation source is oi selected the trigger output is a square A AURA waveform of the AL same frequency as the modulating signal meme When an external modulation source Is DAN soomve selected the trigger output is disabled 5 Burst Mode When Tn internal trigger source is selected the trigger output is a square D waveform and the rising edge at the start of each burst period When an external trigger source is selected the trigger output is high during the time the trigger input is high 25 liji ANN Pa Ay weil a EHN Hl IHN iv august HHH MAE ANIA AA LAR AE AF ALBA WL LN ii AAN AA ji sn PT AI i Hi Aa il My ill AR iil TA NINA AURA Mh wn ULA j 4 O 20 0us A O gt W 60 0000ns 1631 129 z Trig d ACA i ONAN MIA NCOP ama Aseman LI aE Hoe NN H 200mY Q amp 4Ch2 1 00 Y 2 M 200us A Ch2 f 1 52 V 4634 130 When a setting frequency of an output waveform is higher than 4 9 MHz a
39. divided frequency that is lower than 4 9 MHz is output from the Trigger Out See the table below Set frequency of output waveform MHz 4 900 000 000 00 4 900 000 000 01 to 14 700 000 000 0 14 700 000 000 1 to 20 000 000 000 0 Trigger output frequency MHz Fs Fs 3 Fs 5 NOTE When the instrument outputs a modulation waveform the Trigger Output signal cannot be output if you select External as the modulation source AFG2021 Quick Start User Manual Set up load impedance Operating Basics The output impedance of the instrument is 50 Q If you connect a load other than 50 Q the displayed Amplitude Offset and High Low values will be different from the output voltage To make the displayed values the same as the output voltage you need to set the load impedance The load impedance is applied to the amplitude offset and high low level settings To set the load impedance use the Output Menu 1 From the top menu push the Output Menu bezel button 2 Push Load Impedance to display the Load Impedance submenu 3 To adjust the load impedance select Load 4 You can set the load impedance to any value from 1 to 10 kQ 5 When the load impedance is set to other than 50 Q the set value is displayed in the output status Frequency eriod Phase Menu Amplitude Level Menu Run Mode Menu SUL AHI LIL a00 y ak l mit 5 000 y t Load a0 Output Menu Load Impedance Invert Gi O
40. e 2926 024 Noise Add Off Noise Level 10 Invert off 2926 025 Amplitude Offset High Level Low Level more NOTE When you set limit values using the Output Menu a level indicator is displayed at the left end of the graph area AFG2021 Quick Start User Manual Getting started Update your instrument firmware You can use the front panel USB connector to update your instrument firmware using a USB memory device CAUTION Updating your instrument firmware is a sensitive operation which may damage your instrument if you do not follow all instructions carefully To prevent damage to the instrument do not remove the USB memory device or power off the instrument during the update process NOTE The screen images of the following procedure are provided as an example The actual screen display may be different depending on your instrument configuration 1 Push the front panel 7 Utility button to display He Cw the Utility menu and view the currently installed firmware version located at the bottom of the display screen 2 From a PC visit www tektronix com and check if Tektronix offers a newer firmware version Download and unzip the compressed zip file with the most current firmware to a USB memory device 2926 008 Free Technical Seminar Series Learn the latest test methodologies Sign up now K15 enables HSDPA See New SATA and a H 324M and 3GPP R6 SAS
41. e Tr yuyu lila al more Ici This is a sample oe E oscilloscope screen PA A IA The top is a sample of a sweep waveform This is a trigger output signal dentes eo caro gdm ones ui dere ela LaTe 2 gt M SOU MV sets 1 00 V Qam OOMS a tie S 1 32V d Gb 3 78000ms o 1631 117 P If a start frequency is lower than a stop frequency the instrument sweeps from the low frequency to the high frequency If a start frequency is higher than a stop frequency the instrument sweeps from the high frequency to the low frequency Once the sweep is selected the frequency is swept from the sweep start to the sweep stop frequencies AFG2021 Quick Start User Manual Modulate a waveform To output an AM waveform 4 NOTE You cannot select Pulse Noise or DC as a carrier waveform AFG2021 Quick Start User Manual Operating Basics Select a waveform and then push the front panel AN Modulation button On Squ a Continuous In this example use sine waveform as an output waveform carrier waveform Push the top bezel button to display the modulation selection menu Select AM as the FM modulation type Piu FE 53 Operating Basics Modulation waveform facts 54 and formulas oF PL ES a Select modulation source Pad laton l Type Set modulation frequency 3 i Of tri ree Select megan shape Set modulation depth Exa ri Frega Maklal un Sha Tests
42. e Help topics bezel menus and on screen messages to appear 38 AFG2021 Quick Start User Manual Operating Basics Operating Basics Generate a pulse waveform 1 Push the front panel Pulse Ramp Pulse Arb button to display the Pulse y n_ a screen 206 090 2 Push the Pulse Parameter Menu bezel button NOTE All of the following Tek parameters can be adjusted using the numeric keypad or the general knob Cont Period 1 000 000 000 00mbz A nn Dely 0 002 PCeading 100 0 ns 3 Push the Duty bezel button and adjust the parameter as needed and then push the Width bezel button and adjust the parameter Trailing as needed oral AMEN HA Edge 4 Push the Leading Edge bezel button and adjust the parameter as needed then push the Trailing Edge bezel button and adjust the parameter as needed You can set the lead delay by pushing the Leading Edge 2926 080 pi 4 front panel button and then pushing the Frequency Period Delay Menu and adjusting the parameter as needed Pulse waveform formulas The following formulas are applied to leading edge time trailing edge time pulse period and pulse width of pulse waveforms lEdge Leading Edge Time tEdge Trailing Edge Time AFG2021 Quick Start User Manual 39 Operating Basics Maximum leading edge time This value is the minimum of the three in each instance If runMode Continuous Temp 0 8 2 0 width tEdge Temp2 period
43. e for the defective product Batteries are excluded from this warranty Parts modules and replacement products used by Tektronix for warranty work may be new or reconditioned to like new performance All replaced parts modules and products become the property of Tektronix In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix shipping charges prepaid and with a copy of customer proof of purchase Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center 1s located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non
44. ements OS Supported Windows XP Professional or Windows 2000 or Windows 98 Me or Windows NT or Windows 7 32 bit only Minimum PC Requirements Pentium III 800 MHz and higher 256 MB RAM 300 MB free hard disk Microsoft Internet Explorer 5 01 and higher NET Framework 1 1 Redistributable 800 x 600 Display resolution TekVISA Version 3 3 4 6 and above E Create waveforms from standard waveform templates Modify and transfer waveforms to perform DUT level tests Directly import waveforms from Tektronix oscilloscopes Send waveforms to AWG AFG instruments directly from ArbExpress or MATLAB Math operations on waveforms NOTE You can use ArbExpress to transfer waveform data to the instrument When you transfer waveform data tfw file any part of the waveform outside of allowed limits in the AFG2021 will be automatically converted to be within the allowed range The following pages contain the screen interface and basic operating procedures for using ArbExpress For more information on ArbExpress refer to the ArbExpress online help AFG2021 Quick Start User Manual 73 Operating Basics Screen interface ArbExpress Wave Book1 Samplel wim op File Edit Wiew Display Waveform Math Communication Window Help _f x 20 6 alxX a p al fs Cursor 2 gag Cursor 1 Waveform 1 C Waveform 2 Standard Waveform Equation Editor Blank Properties Easy Edit Points Amplitude
45. ent Category III For measurements performed in the building installation Measurement Category II For measurements performed on circuits directly connected to the low voltage installation Measurement Category I For measurements performed on circuits not directly connected to MAINS Overvoltage Category Overvoltage Category II as defined in IEC 61010 1 AFG2021 Quick Start User Manual ix Compliance Information Environmental Considerations This section provides information about the environmental impact of the product Product End of Life Observe the following guidelines when recycling an instrument or component Handlin Equipment recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product s end of life To avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2002 96 EC and 2006 66 EC on waste electrical and electronic equipment WEEE and batteries For information about recycling options check the Support Service section of the Tektronix Web site
46. ent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures While using this product you may need to access other parts of a larger system Read the safety sections of the other component manuals for warnings and cautions related to operating the system Use proper power cord Use only the power cord specified for this product and certified for the country of use Ground the product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe all terminal ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Power disconnect The power cord disconnects the product from the power source Do not block the power cord it must remain accessible to the user at all times Do not operate without covers Do not operate this product with covers or panels removed Do not operate with suspected failures If you suspect that there is damage to thi
47. enu 2 Blank sheet opens a blank sheet in the window with 1024 points waveform length You can change the number of points using Properties from the Waveform menu view Display Waveform Blank sheet Standard Waveform Equation editor Open Chri Close Ctrl 5 Save Save As Ctri E 1631 180 3 Use the Standard Waveform Standard Settings Waveform Function Sine Instument apgaga dialog box to i Previow spain create any of Amplitude Pk Pk ARA yA A AT E the standard Offset Tig ia ia Py ry sergio a waveforms that E UVA TA are available Sampling Rate Use Settings to Total Number of Points selecta desired rese D mw teca meri waveform and Phase denies T9 Pons 16 E instrument Cycles type 4 Use Vertical ES to set the waveform vertical parameters 5 Use Horizontal to set the waveform horizontal parameters 6 Click Preview to view the waveform AFG2021 Quick Start User Manual 75 Operating Basics 76 You can also use the Equation Editor to create a waveform The application provides a set of sample equations that you can directly use or modify Use Command List to select the commands functions units and operations Use Preview to view the waveform after the equation is compiled Equation Editor A E Clos NM a yh AFG302 Equation Change the range according to your settings rande D 1u
48. ep function to observe the frequency characteristics of the 50 Q filter AFG2021 Quick Start User Manual Connect the Channel Output of the instrument to the CH1 input of an oscilloscope with a BNC cable Connect a 50 Q filter between the Channel Output and CH1 input of the oscilloscope Connect the Trigger Output of the instrument and the external trigger input connector of an oscilloscope Set the oscilloscope input impedance to 50 Q Select Sweep from Run Mode of the instrument and set the start frequency stop frequency and sweep time so that the waveform is shown in the graticule You can measure the frequency characteristics of the filter by sweep time and the oscilloscope time base m rs il TE soomv 22 2 fev 49 2200ms iga M10 0ms A Ch2 f 1 04 V 9996 403 81 Application examples Motor speed control by pulse width modulation Pulse width modulation is used for controlling the speed of a DC motor or the luminance of an LED Light Emitting Diode Use the instrument PWM function to control the DC motor speed 1 Connect the instrument output and a DUT using a BNC to alligator clip adapter DUT example Motor 2 Push the front panel Pulse A Hedu lazion ian Gnd ie Hrec LODO DOO DNO C Isat Type Modulation button e LibUUns Tons e and then select alipe Sie R PWM as a EIA Exterral modulation type 55 000 Cev
49. equirements following clearance requirements Sides 50 mm 2 in E Rear 50 mm 2 in Temperature Before operating the instrument ensure the ambient temperature is between 0 C to 50 C 32 F to 122 F CAUTION To ensure proper cooling keep both sides of the instrument clear of obstructions Power supply Source voltage and frequency 100 V to 240 V 50 Hz to 60 Hz or 115 V 400 Hz requirements Power Consumption 60 W WARNING To reduce the risk of fire and shock ensure that the mains supply voltage fluctuations do not exceed 10 of the operating voltage range 4 AFG2021 Quick Start User Manual Getting started Power the instrument on and off The following procedures show you how to apply power to the instrument and turn 1t on and off CAUTION This product will not function with the rear feet in the down position Ensure they are raised before instrument setup Power on To turn apply power to the instrument and turn it on do the following NOTE Wait until the front panel display shows that the instrument has passed all power on self tests before using the instrument Insert the AC power cord into the power receptacle on the rear panel and the other end into a properly grounded power outlet Push the front panel power button to power on the instrument 2926 002 Power off To turn the instrument off do the following 1 AFG2021 Quick Start User
50. f instrument setup indicates the Vp p value of normalized waveform data When the instrument outputs Sin x x Gaussian Lorentz Exponential Rise Exponential Decay or Haversine Vp p is defined as twice the value of 0 to peak value To select an output waveform follow these steps 1 Push the front panel Sine button to select sine waveform 2 Push the front panel Continuous button to select a continuous sine waveform 3 Select one of the four standard waveforms by pushing on of the front panel function buttons 4 Push the Arb button to select an arbitrary waveform 5 Push the More Waveform bezel button to select from other standard waveforms such as Sin x x Noise DC or Gaussian AFG2021 Quick Start User Manual 2 Instrument front panel interface and rear panel Other available waveforms VU wW T 200mve M100ns A Chi f 0 00V gt 52 0000ns 2926 059 DC Run E _ Auto E 7 gt EN 200mve M100ns A Chi f 0 00V Gy 52 0000ns 2926 068 aa n AA Trig d i H AN 200mv 2 SM 100ns A Chil f 0 00 V A 2926 070 Exponential Rise Run Trig d U Y 200mV 2 M100ns A Chi f 0 00 V gt 52 0000ns i 2926 072 28 The following are examples of the other waveform types available in the More Waveform menu under the More button menu Noise Chi 250mY Q M 10 0ps 5 06S 200ps pt A Chi 350m 2926 000 Gaussian
51. frequency 1 Vp p amplitude sine waveform as the default setup m Cancel to cancel the recall and return to the previous menu DN Help utility e 2926 028 Setu Setup Save Recall Memory Memory Internal Intemal Save Recall more Default 1 of 2 2926 041 Tek Recall from Cont 1 000 000 000 00mHz 1 000 Vpp 0 0mV 1 Setup 2 Setup2 lt Empty gt 3 Setup3 lt Empty gt Cancel 2926 031 AFG2021 Quick Start User Manual Default settings Default settings Menu System Output configuration Sweep Function Frequency Amplitude Offset Symmetry ramp Duty Pulse Output Units Output impedance Output invert Output noise add Sweep start frequency Sweep stop frequency Sweep time Sweep hold time Sweep return time Sweep type Sweep mode Sweep source Trigger slope Trigger interval Modulation Burst AFG2021 Quick Start User Manual Modulation waveform AM depth FM deviation PM deviation FSK hop frequency FSK rate PWM deviation Burst mode Burst count Trigger source Trigger delay Trigger interval Instrument front panel interface and rear panel Default setting Sine 1 000 000 000 00 MHz 1 000 Vp p 0mV 50 00 50 00 Vp p 50 Q Off Off 100 000 kHz 100 000 MHz 10 ms 0 ms 1 ms Linear Repeat Internal Positive 1 000 ms 10 00 kHz Sine except FSK 50 00 Hz Square FSK 50 00 1 000 000 MHz 90 0 1 000 000 MHz 50 00
52. gree The following table shows relationship between modulation depth and maximum amplitude for AM modulation waveform internal modulation source is selected Depth Maximum amplitude 120 A Vp p 100 A Vp p 0 909 50 A Vp p 0 682 0 A Vp p 0 455 Frequency Shift Keying modulation is a modulation technique that shifts the output signal frequency between two frequencies the carrier frequency and Hop frequency The AFG2021 generates a phase continuous FSK signal 1 Follow the steps described in the To output an AM waveform E th gaan Rda pe Moculzticn procedure to display the req 100 COL ODO OI are Type modulation type selection sorca ternal mi submenu See page 53 mpl rok Kate SLOL H Pat In this example select FSK as JEset Lave shape EE xteral the modulation type E 2 The FSK parameter setting Fok Rate screen is displayed Select Internal or External as FSK source 3 Ifyou select Internal you can set 1 0005 BH Fop the FSK Rate E 100 a Frequency If you select External the FSK Rate is ignored 4 Set Hop Frequency Carrier waveform frequency shifts to the Hop frequency with the specified FSK rate and then returns to the original frequency AFG2021 Quick Start User Manual 55 Operating Basics To output a PWM waveform S6 Follow these steps to output a PWM waveform 1 Push the front panel Pulse button 2 Push the Pulse Parameter Menu bezel button to display the pulse para
53. he screen interface a a DOS Om p amp leap anno A Ou lil clit cst A ee el a Mo COSO Item Description 1 Bezel buttons 2 Return to previous menu 3 Run mode buttons 4 Help Utility and Save Recall buttons 5 Numeric keypad cancel action delete backspace and Enter buttons 6 General purpose knob Arrow buttons allow you to select a specific number on the display screen when you are changing amplitude phase frequency or other such values 8 Channel On Off and Manual Trigger buttons 9 Trigger input connector 10 Trigger output connector 11 Channel output connector 12 USB connector 13 Function buttons 14 Power button 22 AFG2021 Quick Start User Manual Instrument front panel interface and rear panel Lock or unlock the front If you need to lock the front panel controls use the following remote command panel controls SySTem KLOCK STATe To unlock the front panel without using a remote command push the front panel Cancel button twice Parts of the screen interface Tek Cont Freq 1 000 000 000 O0OmHz Phase 0 00 ese erio Ampl 1 000vpp Phase Menu Offset 0 0mv Amplitude Level Menu tun Mode Mani Sint o R Shhh i hs hihi hhh hittin 2926 049 Item Description 1 Bezel menu When you push a front panel button the instrument displays the corresponding
54. iation 5 03 m Set the frequency Frequent to approximately 100 kHz Mcdelarior O A A AAA IA Chapa 30 ral eee wane oa rer ss Mace teas e TRIR E Dewlat or 3 Connect the output to an oscilloscope Confirm that a pulse width modulation waveform is displayed on the oscilloscope screen Select Pulse Duty 1 00 Y i M 2 00us A Chi 220m ll lia aro A duty rate Observe 1631 03 that the motor speed changes if you change the duty rate 82 AFG2021 Quick Start User Manual Carrier null frequency m odulation Application examples Use the instrument and spectrum analyzer to observe a carrier waveform of frequency modulation AFG2021 Quick Start User Manual Select Sine as an output waveform and then select FM as the modulation type Set the waveform parameters as follows m Carrier frequency 1 MHz m Modulation frequency 2 kHz Change Deviation Set the deviation to 4 8096 kHz It makes the carrier waveform null Confirm that the carrier null can be observed on the spectrum analyzer npl Dial Uy alld nY 1 The A eee ee A A E ET CED C E PA CES CEE 1 A A A E PA Medilacion Type oree mema FF a E MIER FMFtec 10 0 kie chepe Sine Exterral Cesiation 00 0000 kre Fi Fr eguen MecdLlacior Shap 0 rah mana Meana Monot wana aHan aadh nand oenn nara nue AU k E 200 00 k E 3 Tektronix WCA 280A Dewtat or 05 03 10 15 44 00
55. in this manual In other documents they may also be called option buttons or side menu buttons xii AFG2021 Quick Start User Manual Getting started General features The AFG2021 Arbitrary Function Generator offers the functionality of three generators in one 20 MHz Function Generator 10 MHz Pulse Generator m 14 bits Arbitrary Waveform Generator The following table describes some of the general features of your instrument Feature Description Channel 1 Sine 20 MHz Pulse 10 MHz Memory 128K 14bit Sampling Rate 250 MS s Amplitude 10 Vp p Display Color TFT LCD Interface USB GPIB AFG2021with option GL only LAN AFG2021with option GL only Synchronous operation Available Ground isolation Available Context sensitive Help system Instrument help available in multiple languages ArbExpress Software Waveform creation and editing tool software Before installation Inspect the instrument carton for external damage If the carton is damaged notify the carrier Remove the instrument from its package and check that it has not been damaged in transit Verify that the carton contains the instrument and its standard accessories AFG2021 Quick Start User Manual 1 Getting started Standard accessories Unpack the instrument and check that you received all items listed as Standard Accessories Check the Tektronix Web site www tektronix com for the most current information Standard accessories Description A
56. ing the general purpose knob and the arrow keys 35 Operating basics Quick tutorial How to generate a sine waveform 36 If you are a beginning user you can follow the steps described here to learn how to generate a continuous sine waveform 1 Connect the power cord and then push the front panel power button to turn on the instrument 2 Connect a BNC cable from the Channel Output of the arbitrary function generator to an oscilloscope input connector 3 Push the front panel Sine button AN 4 Push the front panel A Sine Squ Continuous button to A Continuous INS select a continuous sine waveform o o e o 5 ORC 2926 055 5 Push the front panel Channel Trigger Channel On Off 5 eno Manual button to enable the output The button should be lit AFG2021 Quick Start User Manual T Use the oscilloscope auto scaling function to display the sine waveform on the screen If the instrument outputs a default sine waveform you can manually set the oscilloscope as follows 500 ns div m 200 mV div To change the frequency push the front panel Sine button and then push the Frequency Period Phase Menu bezel button Push the Frequency bezel button You can now change the frequency value using the numeric keypad or the general knob For example if you enter a value 2 using the keypad the bezel menus will au
57. ion examples 81 Synchronous operation 63 Synchronous operation 60 Updating instrument firmware 13 7 TFS file Saving instrument setup 67 To adjust waveform parameters 31 To connect to a network 16 AFG2021 Quick Start User Manual To connect to a network 18 To generate a pulse waveform 39 To generate a sine waveform 2 To generate an arbitrary waveform 42 To generate an arbitrary waveform 37 To modify an arbitrary waveform 43 To invert waveform 55 To protect your DUT 12 To modify an arbitrary waveform 38 To output a PWM waveform 56 To output a PWM waveform 49 To output an AM waveform 53 To output an AM waveform 46 To output an FSK waveform 55 To output an FSK waveform 48 To restore the default setup 24 To protect your DUT 14 To set up load impedance 59 To select a local language 9 To select a waveform 26 To select a waveform 28 To select Run Mode 29 To select Run Mode 30 To sweep a waveform 50 Trigger out 57 Trigger output connector 57 Triggered burst waveform generate 48 Index U Unlock front panel controls 23 USB connector requirements 64 USB interface rear panel 16 USB memory 64 USB memory 62 Firmware updates 13 USB type B connector rear panel 33 Utility menu 65 Utility menu 63 Access protection 70 V Ventilation vent rear panel 34 Voltage units Conversion table of Vp p Vrms and dBm 32 W Waveform display area screen interface 23 Waveform Math dial
58. it push Execute to implement the edit operation Save this waveform to User3 6 This is an example of an oscilloscope screen for the User3 waveform Number of Number of Points 1 000 Points New Operation Read from Execute Number of Points New Operation es 379 Read ar 5379 from 25 6377 Execute 2926 097 Tek Ahk Trig d M Pos 480 0ns CH1 Coupling Et Limit 200m1H2 PS a Volts Div Loarse Probe Invert CH1 5 00 Mi 100ns CH1 LF 1 20 15 Mar 07 20 21 1 00001MHz 1631 104 NOTE If you edit an arbitrary waveform data while the instrument generates a waveform from Edit Memory the edited data will be automatically reflected to the generated waveform 46 AFG2021 Quick Start User Manual Generate noise DC Operating Basics 1 Push the front panel More Pulse di ibe a OD Ga 2 Push the More Waveform T 2 Waveform Menu bezel button vie Frequency Period Phase Menu Amplitude Level Menu 2926 093 3 select Noise You can set waveform parameters for Noise Sinx k Noise This is a sample of Gaussian Noise displayed on an DG oscilloscope screen 5 Push DC to display DC parameters NOTE You cannot modulate sweep or burst noise or a DC waveform Generate a burst waveform AFG2021 Quick Start User Manual The instrument can output a burst using standard waveforms such as sine squ
59. k E oe Coupling f a 200MH2 volts Div CH1 5 00 CHe 500 mM S00ns 6 Mar 07 20 07 O CHI 321mW 1 00001M4H2 1631 144 2926 057 NOTE An internal noise generator digital is used to add noise AFG2021 Quick Start User Manual 61 Operating Basics Reference clock 62 The instrument can use an internal or external clock reference signal When the external clock reference input is activated the rear panel Ext Ref Input connector is used as the input for an external reference signal The instrument is synchronized by this signal The following procedure shows you how to set up the instrument to use an external signal Use of the internal signal does not require a connection to the rear panel input 1 Connect a reference signal from a signal source to the Ext Ref Input connector on the rear panel of the AFG2021 2 Push the front panel Utility button 3 Push the System bezel button 4 Push the Clock Ref bezel button to toggle between Internal and External 2926 017 170 Interface Language E Help Uey E gt UE System Status more 10f3 Traga Ct Ti yur nr Hat Item Ene na Pie On Let Firmware Update Security Menu more 30f3 2026 099 AFG2021 Quick Start User Manual Operating Basics Synchronous operation To synchronize multiple instruments use the
60. meter setting screen 3 Push the front panel Modulation button to display the PWM parameter setting screen Select the PWM source Set the PWM frequency Select the Modulation Shape 6 Set the Deviation pulse width deviation NOTE Refer to the Motor speed control by pulse width modulation for an Al Pa aie ler Feny e TA Periods Daday Funu Mpc Lael Keny Ra Huda Funu Lip Pion cl AN Modulation Frey 1 509 000 COO Dire Type Ph PAM Source en os MEE Offset ny tk l extemal mw SOOT Caviation Si g Pa Frecueny 1560085 118 00 re fap TOC Ip Gypa Sin Podilation shaje Deviation application example of pulse width modulation See page 82 AFG2021 Quick Start User Manual Trigger out Operating Basics The Trigger Output signal settings for the instrument are available from the mode selection menus You can choose from the following trigger output selections 1 Connect the front panel Trigger Output connector and the external trigger input connector of the oscilloscope The Trigger Output connector provides the trigger signal for oscilloscopes 2 Continuous mode The trigger output is a square waveform and the rising edge at the start of each waveform period When an output frequency is higher than 4 9 MHz some restrictions are applied See the Quick Tips below 3 Sweep mode When the Repeat or Trigger sweep mode and internal trigger source are sele
61. mode to remotely control the instrument from an external host computer m Off Bus Select this mode to disconnect the instrument from the GPIB bus 1 0 Interface Language GPIB English E gt System Configuration Talk Listen Off Bus 2925 079 Ethernet 2926 078 NOTE Refer to the AFG2021 Arbitrary Function Generator Programmer Manual for information about remote control commands AFG2021 Quick Start User Manual Getting started Equivalent output circuits The following illustrations show the equivalent output circuits Legend for the following images Current soure Voltage soure 2926 063 Output signals do not exceed 10 V when the gt 50 Q load 90 2 impedance Is used Signal Offset 2926 06 1 m Amplitude and offset are affected when you change the 50 0 load impedance The maximum and minimum levels do Ny not exceed 10 V respectively signal ae 2926 062 A change to the load impedance L will affect the output window maximum and minimum levels for a sine waveform as follows L 50Q 5 V to 5 V 10 Vp p L High Z 10 V to 10 V 20 Vp p AFG2021 Quick Start User Manual 21 Instrument front panel interface and rear panel Instrument front panel interface and rear panel Front panel overview The front panel is divided into easy to use functional areas This section provides you with a quick overview of the front panel controls and t
62. n Limit Noise Nose Add Ut Mel el 10 revert Of NOTE When dBm is specified for output amplitude units the amplitude units setting is automatically changed to Vpp if you select high impedance AFG2021 Quick Start User Manual 59 Operating Basics Add noise 60 To add the internal noise signal to a waveform use the Output Menu 1 Push the front panel Sine button 2 Push the Output Menu bezel button 3 Push the Noise bezel button 4 The Noise Add submenu is displayed Push Noise Add to select On To adjust the noise level push Noise Level Use the general purpose knob or the numeric keypad to enter the value NOTE When you set Noise Add to On the amplitude of output signal is reduced to 50 FAM Lath gt UA Y Mise Add Un A Load Impedance Frequency Invert Period Phase Menu On Amplitude Level Limit Menu Run Mode Noi Menu oise Output Menu Q ATA Mole Add Ott Et imit 5 000 y Mel wel 10 Load Invert Ort Noise Level AFG2021 Quick Start User Manual This is a waveform before adding noise This is a waveform after adding noise To avoid overflow by noise addition the amplitude of the output signal is automatically halved Push the front panel Channel On Off button so that the output is on and the LED is lit The Output Status is changed from output status message will change to Noise Operating Basics M Pos 0 0005 CH1 Te
63. net Mask if necessary To do this follow these steps 5 Display the Ethernet Network Settings menu and select DHCP Off Push the IP Address bezel button to enter an IP address You need to contact your network administrator to get the IP address to use Push the Subnet Mask bezel button to enter a Subnet Mask Ask your network administrator whether a subnet mask is required Push the Default Gateway bezel button to enter a gateway address Ask your network administrator for the gateway address IP Address Subnet Mask Default Gateway DHCP e On 2926 077 sens AFG2021 Quick Start User Manual Getting started NOTE GPIB setup is only available with the AFG2021 with option GL which GPIB setup has a GPIB port To set the instrument GPIB interface follow these steps 1 Connect a GPIB cable to the rear panel GPIB port 2926 017 Utility button Herp Coin _ 2926 027 AFG2021 Quick Start User Manual 19 Getting started 20 Push the 1 0 Interface bezel button and then the GPIB bezel button Push the Address bezel button to assign a unique address to the instrument The GPIB address defines a unique address for the instrument Each device connected to the GPIB bus must have a unique GPIB address The GPIB address must be from 0 to 30 Push the Configuration bezel button to toggle the instrument bus communications on and off m Talk Listen Select this
64. og box ArbExpress 77 Waveform parameter how to change 30 Waveforms Save and recall 41 87
65. om internal memory to USB memory or restore a waveform data from USB memory to internal memory Return to the Utility main menu Push the more bezel button to display the third page On this page you can execute the instrument firmware update See page 13 Security Menu See page 70 De anos ket Calbrackr Harare hash Type EN ru Backup Incarna US Hury Rz Incerna 1S2 Herre Make Dreco aro pdit A Fenil zeri ily enu TWN RT SLs AFG2021 Quick Start User Manual Operating Basics Save recall instrument setup You can save setups of the instrument as files in the internal memory or in an external USB memory device Setup files saved to a USB memory device are saved with the extension TFS You can recall the stored setups from a file in the internal memory or in a USB memory device 1 Push the front panel lt Save Recall button to hep Uti 0 2926 028 display the Save Menu 2 To specify a memory ZEILE location select Internal me or USB Mercy 3 Use the general purpose Live wal knob to scroll files Push Save to save a setting to Bape Internal memory NOTE A Save As menu option appears when you are L3b saving to USB memory AR Tule 4 You can save a setup as Seip a new file if you specify oe USB Push Save As ERA lie nal LE Cave Sawah MAT Tule AFG2021 Quick Start User Manual 67 Operating Basics 68 Lock setup files
66. on A10 India Option A11 Brazil Option A12 No power cord or AC adapter Option A99 1 These manuals contain a language overlay for the front panel controls Optional accessories The following optional accessories are recommended for your instrument Optional accessories Description Tektronix part number 90 Q BNC cable double shielded 91 cm 36 in 012 0482 XX 50 Q BNC cable double shielded 250 cm 98 in 012 1256 XX 50 Q BNC terminator 011 0049 XX GPIB interface cable double shielded 200 cm 79 in 012 0991 XX Rackmount kit RMU2U Fuse adapter 013 0345 XX 0 125 fuse set contains three fuses 159 0454 XX NOTE To ensure the EMC compliance listed in the Specifications connect only high quality shielded cables to this instrument High quality shielded cables typically are braid and foil types that have low impedance connection to shielded connectors at both ends AFG2021 Quick Start User Manual Getting started Operating requirements The following information and figure describe temperature clearance and power supply operating requirements of the instrument 241 8 mm 419 1 mm 16 50 in q 104 2 mm 4 10 in _ _ lt lt lt lt a o lt lt K K 9 52 in 328 2050 202039 OOOO Y Y Y 2926 067 Figure 1 Instrument dimensions Environmental Clearance When placing the instrument on a cart or bench observing the r
67. r bezel button after each selection As you enter the characters of your password they are displayed as a series of asterisks on the password input page If no specific password has been previously defined use the default password DEFAULT Select OK to turn the access protection on Help f tity O gt English 1 0 Firmware Interface Update Language Security System MER E Status more more 10f3 30f3 2026 099 EHS Fruley Ll Chena Fes Tini nn oF ar stu a 5 MOP TAS o ie Access PIOWCTOr _ Enter harastar Uk AF CEO version LWobeta jule 13 46 44 Feh 42012 1hdFd9 AAA EA iLE NOTE When Access Protection is on the Change Password bezel button is disabled AFG2021 Quick Start User Manual Change the password Operating Basics DEFAULT To change the password do the following steps AFG2021 Quick Start User Manual Select Security Menu from the Utility menu lf the Access Protection is set to On turn it off using the Access Protection menu Otherwise skip to Step Select Change Password to display the password input page Enter your current password Use the general purpose knob to select the characters and push the Enter Character bezel button after each selection Then select OK to display the New Password input page SHES Fru ler Li Chena Fess F 3551 od ah E Me TE HN Access PronmecrTior AFLEUE 1 Version Lusheta
68. r chad gs has eae ee eos eras eee ee ee ese ea eee es 4 Power the instrument ON and a 5 Change instrument settings at power on 2 0 00 6c cece cece eee ee cece ene e eee e ee ee enn e eee eee Enea 6 Erase instrument setups and waveforms from MCMOTY 00 ccc cece cece cece e eee e eee e eee eens 7 Perform instrument self test and self calibration 00 cece ccc cence cece cece eee e eee e teen eee eees T Selecta local A o o o N ERENER EEA 9 Protect your instrument from MISUSE rr rr ii ES 9 Figatiny e O o Oo EEA EEA 11 Protec vom DU Esa data ibn ais 12 Update your instrument firmware an aio 13 Connect to a MEN OE iorrio rios coto EE wien euseaionannessenewersanaesoes 16 EQuivalent output Ci CUS oir bredsedianeeeenerseeveaes 21 Instrument front panel interface and rear panel ccc cece eee cece ene e eee e eee e eee eneeeeeeees 22 io a A o A ten oxeeianse EAEE ree ease eee 22 Parts olihe sereen Inte hace omesstos irector dar irse 23 Detallada 24 AR e PO co A 26 13 56118 111018 1010 01 OOPS ET E E E E EE ETE EE E ER E 29 Adjust waveform parameters ooooocococooccnnnnnnnnnn nr 30 Channel Output On O rc 33 TRA E A o o A 33 Operating DASIOS errar oe 35 Quick tutorial How to select a waveform and adjust parameters 0 0 ccc cece eee e cece eee eees 35 Quick tutorial How to generate a sine waveform ccc cece cece eee n cece cece e een e eee eeeenaes 36 Quick tutorial Instrument help Syste i
69. ronment inside a product is considered to be the same as the external Products should be used only in the environment for which they are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms E Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that 1s caused by condensation must be expected This location is a typical office home environment Temporary condensation occurs only when the product is out of service Pollution Degree 3 Conductive pollution or dry nonconductive pollution that becomes conductive due to condensation These are sheltered locations where neither temperature nor humidity is controlled The area is protected from direct sunshine rain or direct wind Pollution Degree 4 Pollution that generates persistent conductivity through conductive dust rain or snow Typical outdoor locations AFG2021 Quick Start User Manual Compliance Information Pollution Degree Pollution Degree 2 as defined in IEC 61010 1 Note Rated for indoor use only Installation Overvoltage Terminals on this product may have different installation overvoltage category Category Descriptions designations The installation categories are E Measurement Category IV For measurements performed at the source of low voltage installation Measurem
70. s Your equation goes here Sint Output Compiled Successfully Command List Inf Sgrt Max Hin x range md mark diff norm round abs integ t E a Ea Enter BKSP Total Range M Lock Total Range 1G 5 5 Equivalent Sampling Rate Sampling rate of the instrument 1GS s Multiwfm OK Properties Cancel Send to Arb al Chi J Help 16314 182 AFG2021 Quick Start User Manual 10 11 12 13 14 15 AFG2021 Quick Start User Manual You can also use a waveform math tool From the Math menu select Waveform Math to display the Waveform Math dialog box Select a math source from Waveform Library Select Noise in this example Calculation results are displayed in the Resultant Waveform pane This is an example of adding noise to a square waveform You can remotely control Tektronix AWG AFG instruments using ArbExpress From the Communication menu select AWG AFG File Transfer amp Control to display the dialog box Connected instruments are listed on the Arb List The Instrument Control pane appears only when an instrument is connected otherwise it Is hidden Operating Basics Waveform Math ES Selected W avefom Math Source Waveform Library Noise El Amplitude PE PK 3 Cycles Phaze degrees 1 0 Duty Cycle Selected Number of Points 1000 Scalar Value Math Sour
71. s product have it inspected by qualified service personnel Avoid exposed circuitry Do not touch exposed connections and components when power is present Do not operate in wet damp conditions Do not operate in an explosive atmosphere Keep product surfaces clean and dry Provide proper ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation AFG2021 Quick Start User Manual General safety summary Terms in this manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols and terms on the These terms may appear on the product product DANGER indicates an injury hazard immediately accessible as you read the marking m WARNING indicates an injury hazard not immediately accessible as you read the marking E CAUTION indicates a hazard to property including the product The following symbol s may appear on the product O Earth Terminal Mains Disconnected Mains Connected Chassis Ground OFF Power ON Power AFG2021 Quick Start User Manual v Compliance Information Compliance Information EMC Compliance EC Declaration of Conformity EMC Vi This section lists the EMC electromagnetic compliance safety and
72. t Hold pe AFG2021 Quick Start User Manual Operating Basics To set sweep parameters do the following 1 Select a waveform and then push the front panel Sweep button NOTE Pulse DC and Noise waveforms cannot be selected 2 You can specify the start frequency stop frequency sweep time and return time from the sweep menu Return Time represents the amount of time from Stop Frequency to Start Frequency Push the more button to display the second sweep menu NOTE If you want to return to the Sweep menu after selecting other menus push the front panel Sweep button again 3 In this page you can set the parameters for center frequency frequency span hold time and select the sweep type Hold time represents the amount of time that the frequency must remain stable after reaching the stop frequency Push the more button to display the second sweep menu AFG2021 Quick Start User Manual cen m Sweep Start A 2 a start AEA ete II Frequency Stop i i a g y Hald IE Stop Ampl 1 000 VEO Return ms Fequency Ottset Omi Type Linear Interval 1 000 ms Sweep Time Return Time O a A R E ques 1 0f3 EIKI Frayya Ls dil Held he Tupa lna thn more A 51 Operating Basics Sweep frequency facts 52 In this page you Mode can select the sweep me mode Repeat or TA Trigger and trigger Uh tel source AENA ope TELE mut
73. t or GPIB interface NOTE The AFG2021 with option GL provides USB GPIB and LAN ports The AFG2021 base model provides a USB port only The USB interface on the rear panel requires no front panel or bezel menu operations to set up Use a USB cable to connect your instrument to a PC NOTE Ethernet setup is only available with the AFG2021 with option GL which has a LAN port To connect your instrument to a network you must first obtain information from your network administrator The procedure for entering the Ethernet network parameters depends on your network configuration If your network supports DHCP Dynamic Host Configuration Protocol follow these steps AFG2021 Quick Start User Manual 1 Connect a LAN cable to the LAN port on the rear panel 2 Push the front panel Utility button 3 Push the I O Interface bezel button and then the Ethernet bezel button 4 Select Off or On for the DHCP when the Ethernet Network Settings menu is displayed NOTE By selecting DHCP On the instrument can set its network address automatically through DHCP AFG2021 Quick Start User Manual Getting started 2926 015 1 0 Interface 2926 027 Language GPIB English Ethernet System 2926 075 IP Address Subnet Mask Default Gateway DHCP O Off 2926 076 17 Getting started 18 If you cannot establish communication by setting DHCP On you need to set up an IP Address manually and a Sub
74. ternal 62 internal 62 Connect to a network Ethernet 16 Connecting to a network 18 Language selection 9 CSV file ArbExpress 78 D DC standard waveform 28 Default button 7 Default settings 25 Default setup 24 Default Power on settings 6 E Edit menu 43 Edit menu 38 Recalling waveform data 43 Editing arbitrary waveforms example 1 45 example 2 46 Environmental requirements 4 Equation Editor ArbExpress 76 Equivalent output circuits 21 Erase saved setup files 41 Erase setup files Save Recall menu 68 Ethernet 18 GPIB 19 Exponential decay standard waveform 28 Exponential rise standard waveform 28 EXT MODULATION INPUT connector rear panel 34 EXT REF INPUT connector rear panel 34 External reference input rear panel 62 F Fan vent rear panel 34 Firmware updates 13 Firmware updates 15 Save a screen image 69 Floating ground 11 Formulas modulation waveforms 54 Frequency span sweep waveform 50 Front panel 22 Front panel controls how to lock or unlock 23 Fuse adapter Protect output circuits 10 G Gated burst waveform generate 48 Gaussian standard waveform 28 General features 1 Generate a burst waveform 47 Generate a pulse waveform 39 Generate a pulse waveform 35 To generate a sine waveform 35 Generate a sine waveform 35 Generate an arbitrary waveform 42 Generate DC 47 Generate Noise 47 85 Index GPIB connector rear panel 33 Graph displa
75. the help system to display several kinds of Topic TOY Ma UON to another General information about understanding and using the 3 Push the Show Topic bezel button arbitrary function AE standard Index to display the topic corresponding PAE AA ee l e Advice about problems you may face while using the to the highlighted link arbitrary function generator such as Protect Your 4 Push the Index bezel button to ae ho Fe e help system provides three ways for you to find the display an Index page information you need ia 5 Push the Exit bezel button or any Context sensitive When you push the front panel front panel button to remove the Help button the instrument displays information about Exit Help text from the screen and return to the graphic or parameter display Ways to access and Push the Help button to display information topic about the last menu navigate the instrument displayed on the screen help system Turn the general purpose knob to move from page to page within a displayed topic Push the Index bezel button to view the Help index page Push the Page Up or Page Down bezel buttons to search for the index page that contains the topic you want to view Turn the general purpose knob to highlight a help topic in the index Push the Show Topic bezel button to display the topic from the index page Push the Utility button and then the Language bezel button to choose the language in which you want th
76. tion will erase all data except Mac Address calibration data and the instrument serial number Push the more button to display the second page Push Brightness to adjust the screen contrast Push Screen Saver to toggle the screen saver Off and On Push Click Tone to toggle the click tone Off and On Push Beeper to toggle the beep sound Off and On 1 0 Interface Language Help Utility sue System Status ones more 10f3 regen Cul Tricgar Cline Bet Irterral Fuwer Di De dul Ariah tress wh Spean Savel ETT Click Tone En esper En AFLEUE 1 version LU Sbeta Feh 32012 Tiida regen Cul Tricgar step iA uc 15 46 94 MI A mizenn Cline Bet Irterral Fuwer Di De fal Rrigktress ws IC BS Sa vel CTT Click Tone En Ferer En AFEZOZ version 1U5bbeta Feh 22012 Tidal step iA uC 13 46 94 nW PET miz tnn r gge Uut STE Cock Ret MEE Extelnal Pauer Pr Del dul Last Secure mote Tait Ha Times Screen Sar on lel Tone ltt in Beeper Ott On Mire faite 65 Operating Basics 66 14 15 16 17 18 Push the top menu front panel button to return to the previous menu Push the more button to display the second page For Backup Restore see step 16 Push the Backup Restore bezel button to display the Backup Restore submenu In this menu you can back up a waveform data fr
77. tional Chinese and g5 Pucci Russian dE Meneercreme AFG2021 Version 1 1 7 April 15 2012 www tektronix com 2926 023 NOTE If you selected a language option with the purchase of the instrument you should have received a front panel overlay Protect your instrument from misuse Check input and output When connecting a cable be sure to distinguish the input connector from the connectors output connectors to avoid making the wrong connection NOTE The instrument input and output connectors are floating inputs outputs See page 11 Floating ground AFG2021 Quick Start User Manual 9 Getting started 10 Use fuse adapter 1 Locate the Channel Output and the Trigger Output connectors on the front panel 2 Locate the Trigger Input HE Pee on the front panel 3 Locate the Ext Mod Input and the Ext Ref Input connectors on the rear panel 2926 011 WARNING To avoid personal injury due to electric shock do not apply voltages in excess of 42 Vpk to any BNC connector ground or to the chassis ground CAUTION Do not short output pins or apply external voltages to Output connectors The instrument may be damaged CAUTION Do not apply excessive inputs over 5 V to Trigger Input connector The instrument may be damaged The instrument will be damaged if a large DC or AC voltage is applied to the output or input connectors To protect the output circuits a fuse adapter is provided as an optional accessory
78. to this column Enter data to this column When you open a CSV file a dialog box may appear to confirm the CSV file format This is an example of ArbExpress waveform display area after recalling CSV data Fa Microsoft Excel Test Waveform csv O00 JM OM do ro Apart pre 0 084007 0 1 5065 0 041 704 0 29471 0 45973 015777 0 423242 0 709722 1631 185 AFG2021 Quick Start User Manual Save the waveform as the tfw format Copy the waveform data to a USB memory and load the waveform in the arbitrary function generator The AFG2021 outputs recalled waveform data This is an example of the oscilloscope screen CO Wave forms Operating Basics TSX OTOS My Recent EJ AFG3000 1 tfw ES aFc3000 2 tw EBjeurst 00 thw EBramp 00 tfve Documents My Dopu ments File name Te zt Wave form hiwe OT Save as type AFG Tim e tfiv Tek Bim Trig d M Pos 466 0ns CHI 5 004 Mi 50 0n5 Chie 1631 188 1 Fs represents setting frequency of output waveform AFG2021 Quick Start User Manual Cancel 1631 187 79 Operating Basics 80 AFG2021 Quick Start User Manual Application examples This section contains a series of application examples These simplified examples highlight the features of the instrument and give you ideas for using 1t to solve your own test problems Measurement of filter characteristics Use the instrument swe
79. tomatically change to Units After entering the frequency value push the Units bezel button or the front panel Enter button to complete the entry You can change the Amplitude Phase and Offset values in the same way Operating basics Tek fn M Pea JUDO LAL REL ft i Fis lama dea LO Trea int Fiber Lae Tho se CH liens TL pi Carers Faldas of dd MA Dien Cen Frequency Period Period Phase Menu Amplitude Level Menu Run Mode Menu Phase Output Menu 2926 042 NOTE When you specify a waveform parameter using the bezel menu selection an active parameter is displayed in green in the graph area AFG2021 Quick Start User Manual 37 Operating basics Quick tutorial Instrument help system The instrument help system allows you to access information about specific menu items and instrument functions when you need help You can access and navigate this help system using front panel buttons and knobs and following on screen instructions as they appear The individual help topics may contain links to other topics as well These can be accessed by following the on screen instructions How to access the You can follow the steps described here to access the instrument help system instrument help system 1 Push the front panel Help button to display the help screen Tek om 2 Turn the general purpose knob to Help on Help Page 143 ah move the highlight from one link ee ue
80. tton a Bee 000 00 me Phase LOU Cycle 1 Cyvcle Ampl OOO pe Source Internal N Cycles Offset mw Tigelas 0 0 ns 1 Cycle Interval 1 000 ms Inf Cycles A A A A AA A A A A A AAA See eet See See See AA E 2926 036 Adjust waveform parameters When you turn on your instrument the default output signal is a 1 MHz sine waveform with an amplitude of 1 Vp p In the following example you can change the frequency and amplitude of the original output signal 1 Push the front panel lt Save Recall button Help utiity 0 2 Push the Setup bezel Setu Setup button to select Recall ead 3 Push the Default bezel Memory Memory button and then push mene meme the OK bezel button to 2 display the default output signal more Default 1 of 2 2926 041 30 AFG2021 Quick Start User Manual 10 11 AFG2021 Quick Start User Manual To change frequency push the front panel Frequency Period Phase Menu bezel button Press the Frequency bezel button Use the numeric keypad or the general purpose knob to set the frequency value To change period push the Period bezel button to select the Period parameter Use the numeric keypad or the general purpose knob to set the period value To change the amplitude first push the front panel button to return to the top menu and then press the Amplitude Level Menu bezel button Press the Amplitude bezel button Use the numeric keypad
81. y area screen interface 23 H Haversine standard waveform 28 Help how to access instrument 38 instrument 38 navigation 38 Hold time sweep waveform 50 Instrument power on and power off 5 Instrument settings when powered on 6 7 L LAN connector rear panel 33 Language selection 11 Self test and self calibration 7 Last Power on settings 6 7 Level meter screen interface 23 Lissajous patterns 75 Pulse width modulation 82 Load impedance 22 21 59 Lock front panel controls 23 Lock setup files Save Recall menu 68 Lock unlock saved setup files 41 Lock Unlock button Save Recall menu 68 Lorentz standard waveform 28 Main display area screen interface 23 86 Master slave operation 63 Measurement of filter characteristics Application examples 81 Message display area screen interface 23 Modify an arbitrary waveform 43 Modulate a waveform 53 Modulation waveform formulas AM 54 FM 54 PM 54 N Noise standard waveform 28 Noise 56 screen interface 23 Number of Points Edit menu 43 0 Operating requirements 4 Option buttons 23 Output menu To add Noise 60 Output On Off channel 33 Output status Noise 60 Output window 21 p Parameter display area screen interface 23 Password Security menu 71 Power button 5 Power consumption 4 Power input rear panel 33 Power off 5 Power on 5 Power supply requirements 4 Procedure To adjust waveform

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