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AVTECH ELECTROSYSTEMS AVG-4A-B, Instructions Manual

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AVTECH ELECTROSYSTEMS AVG-4A-B Instructions Manual Download Page 21

will complete the full pulse width if the output is high, and then stop triggering. Pulses 
are not truncated.

AMPLITUDE DRIFT

 

 

After setting a particular amplitude, it may take up to 3 minutes (typically) for the pulse 
generator circuitry to reach thermal equilibrium. The initial amplitude may be up to 
~10% less than the set amplitude until the circuitry has warmed up. For this reason, 
amplitudes should be verified by oscilloscope measurements in applications where 
accuracy important.

21

Summary of Contents for AVG-4A-B

Page 1: ...087 A V T E C H E L E C T R O S Y S T E M S L T D N A N O S E C O N D W A V E F O R M E L E C T R O N I C S S I N C E 1 9 7 5 info avtechpulse com http www avtechpulse com Tel 888 670 8729 USA Canada...

Page 2: ...ace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or ratings This warranty is the ext...

Page 3: ...SUAL CHECK 10 POWER RATINGS 10 CONNECTION TO THE POWER SUPPLY 10 PROTECTION FROM ELECTRIC SHOCK 11 ENVIRONMENTAL CONDITIONS 12 FUSES 13 AC FUSE REPLACEMENT 13 DC FUSE REPLACEMENT 14 FUSE RATINGS 14 FR...

Page 4: ...NERATOR 29 KEY PROGRAMMING COMMANDS 29 ALL PROGRAMMING COMMANDS 30 WIRING DIAGRAMS 32 WIRING OF AC POWER 32 WIRING OF DC POWER 33 PCB 158R5 LOW VOLTAGE POWER SUPPLY 34 PCB 168C HIGH VOLTAGE DC POWER S...

Page 5: ...er P units 90 to 600 Volts N units 90 to 600 Volts PN units 90 to 600 Volts The AVG 4A B features front panel keyboard and adjust knob control of the output pulse parameters along with a four line by...

Page 6: ...Active high or low switchable Suppresses triggering when active Monitor output Optional5 Provides a 20 dB attenuated coincident replica of main output Connectors Out SMA9 Trig Sync Gate BNC Dimensions...

Page 7: ...g Also check that your load is adequately shielded It may be necessary to enclose the load in a metal enclosure If any of the connectors on the instrument are unused they should be covered with shield...

Page 8: ...tion of conformity is issued under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations gre...

Page 9: ...9 have been made Requirements for WEEE compliance may include registration of products with local governments reporting of recycling activities to local governments and financing of recycling activiti...

Page 10: ...mal single phase supply CONNECTION TO THE POWER SUPPLY An IEC 320 three pronged recessed male socket is provided on the back panel for AC power connection to the instrument One end of the detachable p...

Page 11: ...erators are prevented access and or are insulated from every connection point In some cases connections must be exposed to potential human contact Operators must be trained to protect themselves from...

Page 12: ...ndoor use 2 altitude up to 2 000 m 3 temperature 5 C to 40 C 4 maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluct...

Page 13: ...the fuses on the rear panel are shown in the figure below AC FUSE REPLACEMENT To physically access the AC fuses the power cord must be detached from the rear panel of the instrument The fuse drawer ma...

Page 14: ...Nominal Mains Voltage Rating Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 100 240V 0 5A 250V Time Delay 5 20 mm 0218 500HXP F2416 ND 3 DC N A 1 6A 250V Ti...

Page 15: ...t 5 seconds after which the instrument will attempt to re enable the output i e light green for about 1 second If the overload condition persists the output will be disabled again i e light yellow for...

Page 16: ...numeric parameters is displayed this increases the setting by a factor of ten 10 If one of the adjustable numeric parameters is displayed this decreases the setting by a factor of ten If one of the ad...

Page 17: ...e instrument This input can be either active high or active low depending on the front panel settings or programming commands The instrument triggers normally when this input is unconnected When set t...

Page 18: ...g to work A standard Linux agetty process is used to implement serial control internally See the Programming Manual for B Instruments for more details on RS 232 control 8 Network Connector This Ethern...

Page 19: ...e the SYNC pulse precedes the OUT pulse When the delay is set to a negative value the SYNC pulse follows the OUT pulse These pulses are illustrated below assuming internal triggering and a positive de...

Page 20: ...e instrument is set to not trigger at all These modes can be selected using the front panel trigger menu or by using the appropriate programming commands See the Programming Manual for B Instruments f...

Page 21: ...articular amplitude it may take up to 3 minutes typically for the pulse generator circuitry to reach thermal equilibrium The initial amplitude may be up to 10 less than the set amplitude until the cir...

Page 22: ...tor output is terminated with a 50 Ohm load For models with the OS option the monitor output does include the effect of the added offset The monitor output should be terminated with a 50 Ohm load OS O...

Page 23: ...instrument should be turned off when the instrument is not in use In the case of failure the switching elements are easily replaced following the procedure described in a following section DO NOT EXCE...

Page 24: ...ampling scope vertical input channel will ensure a peak input signal to the sampling scope of less than 1 Volt WARNING This model may provide a peak output power in excess of 7 2 kW The peak power rat...

Page 25: ...MOVE until it is d Press CHANGE to return to the main menu 4 To set the delay to 100 ns a Press the MOVE button until the arrow pointer is pointing at the delay menu item b Press the CHANGE button Th...

Page 26: ...ou do not you may need to adjust the delay setting to a value more compatible with your sampling oscilloscope Repeat step 4 if required You may also need to adjust the sampling scope controls d Rotate...

Page 27: ...factory for repair Service is to be performed solely by qualified service personnel Caution High voltages are present inside the instrument during normal operation Do not operate the instrument with t...

Page 28: ...s recommended TRIGGER DAMAGE The rear panel TRIG input used in the external trigger mode is protected by a diode clamping circuit However the protection circuit is not foolproof and it is possible for...

Page 29: ...de to 200 V output on turns on the output For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source hold turns off all triggering pulse delay 100 n...

Page 30: ...TYPE ASYNC SYNC LEVel HIgh LOw SOURce VOLTage LEVel IMMediate AMPLitude numeric value EXTernal PROTection TRIPped query only STATUS OPERation EVENt query only always returns 0 CONDition query only alw...

Page 31: ...ESR query only IDN query only OPC SAV 0 1 2 3 no query form RCL 0 1 2 3 no query form RST no query form SRE numeric value STB query only TST query only WAI no query form 31...

Page 32: ...st G 1 G 2 B1 G 4 G 3 L N G X2 CORCO M6EGG 1 2POWERENTRY M O DULE 1 1b 1a 2 2b 2a X1 POWERSWITCHSW325 ND CWINDUSTRIES G RS 4022 0013 A1 BRO WN A2 BLUE A3 BLACK A4 WHITE GR N AMB D1 P395 NDLED GRN AMB...

Page 33: ...5V GND GND 5V 5V 24 NOOLO POSOLO POSOLO 20 AWG 24 AWG NEGOLO GND OLOGND 20 O R 24 AWG CAP BANK GND HI EXTPS NEGIN GND GND GREEN GND AMBER DC IN DC IN DC IN GND GND GND 20 AWG PCB158R5 HI EXTPS GND K...

Page 34: ...PCB 158R5 LOW VOLTAGE POWER SUPPLY...

Page 35: ...PCB 168C HIGH VOLTAGE DC POWER SUPPLY...

Page 36: ...PCB 104G KEYPAD DISPLAY BOARD...

Page 37: ...12 AMPLRNG 4 13 AMPLRNG 3 14 AMPLRNG 2 15 AMPLRNG 1 16 AMPLRNG 0 17 XRLY 5 18 XRLY 4 EO 19 XRLY 3 V I 20 XRLY 2 DUALPW 21 XRLY 1 22 GATE 23 EXTTRIG 24 SYNC OUT 25 M AIN O UT 26 5VON OFF 27 15V ON OFF...

Page 38: ...PERFORMANCE CHECK SHEET 38...

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