AVTECH ELECTROSYSTEMS AVIR-4D-B Instructions Manual Download Page 22 | Manualshive

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WARNING: The output stage may be damaged if triggered by an external signal at a
pulse repetition frequency greater than 20 kHz.

GATING MODES

Triggering can be suppressed by a TTL-level signal on the rear-panel GATE connector.
The instrument can be set to stop triggering when this input high or low, using the front-
panel gate menu or the appropriate programming commands. This input acts
synchronously. When gated, the output will complete the full pulse width if the output is
high, and then stop triggering. No pulses are truncated.

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Summary of Contents for AVIR-4D-B

Page 1: ...14118 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 Cana...

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: ...E LICENSING 10 INSTALLATION 11 VISUAL CHECK 11 POWER RATINGS 11 CONNECTION TO THE POWER SUPPLY 11 PROTECTION FROM ELECTRIC SHOCK 12 ENVIRONMENTAL CONDITIONS 13 LABVIEW DRIVERS 13 FUSES 14 AC FUSE REPL...

Page 4: ...2 ELECTROMAGNETIC INTERFERENCE 32 MAINTENANCE 33 REGULAR MAINTENANCE 33 CLEANING 33 TRIGGER DAMAGE 33 WIRING DIAGRAMS 34 WIRING OF AC POWER 34 WIRING OF DC POWER 35 PCB 158R5 LOW VOLTAGE POWER SUPPLY...

Page 5: ...B is a highly flexible instrument Aside from the internal trigger source it can also be triggered or gated by external TTL level signals A front panel pushbutton or a computer command can also be used...

Page 6: ...generated 0 to 10V analog control voltage M Option a monitor output is provided OS Option an externally generated DC offset can be added to the output R5 Option A rack mounting kit is available The R5...

Page 7: ...r Sync output 3 Volts 100 ns will drive 50 Ohm loads Connectors Out SMA Trig Sync Gate BNC Power requirement 100 240 Volts 50 60 Hz Dimensions H x W x D 100 430 375 mm 3 9 17 14 8 Rack mount kit Optio...

Page 8: ...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 9: ...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 10: ...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 11: ...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 12: ...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 13: ...C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluctuations up to 10 of the nominal voltage 6 no pollution or only dry non conductive pollution LABVIEW DRIVERS A LabVIEW...

Page 14: ...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 15: ...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 16: ...conds 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 anoth...

Page 17: ...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 18: ...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 19: ...nsing 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 Et...

Page 20: ...set to a positive value 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 trigg...

Page 21: ...ment controls the trigger frequency and generates the clock internally External Trigger the instrument is triggered by an external TTL level clock on the back panel TRIG connector Manual Trigger the i...

Page 22: ...sed by a TTL level signal on the rear panel GATE connector The instrument can be set to stop triggering when this input high or low using the front panel gate menu or the appropriate programming comma...

Page 23: ...nductor via a high quality RF inductor Do not exceed 50V 250 mA MONITOR OUTPUT M OPTION The monitor output provides an attenuated replica 20 dB down of the voltage on the main output The monitor outpu...

Page 24: ...he 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 EXCEED 20 kHz The output stage may be dama...

Page 25: ...roper operation The output stage may be damaged if the output is not terminated into a 50 load The AVIR 4D B output may be observed using either a high speed sampling oscilloscope or a slower real tim...

Page 26: ...d to terminate the output c The SYNC output channel provides TTL level signals approximately 0 and 3V To avoid overdriving the TRIG input channel of some sampling oscilloscopes a 20 dB attenuator shou...

Page 27: ...appear Rotate the ADJUST knob until the delay is set at 100 ns c The arrow pointer should be pointing at the Normal choice If it is not press MOVE until it is d Press CHANGE to return to the main men...

Page 28: ...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 the ADJUST k...

Page 29: ...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 width 50 ns sets the pulse width...

Page 30: ...value DCYCle numeric value HOLD WIDTh DCYCle DELay numeric value GATE TYPE ASYNC SYNC LEVel HIgh LOw SOURce VOLTage LEVel IMMediate AMPLitude numeric value EXTernal PROTection TRIPped query only STAT...

Page 31: ...Nual HOLD IMMediate CLS no query form ESE numeric value 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 que...

Page 32: ...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 33: ...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 34: ...KEYPAD Ch a ssisg ro u ndpo 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 DC...

Page 35: ...HSGND 340VFIXEDTOPG A GNDTOPG A CHSGND 225VFIXEDTOPG B GNDTOPG B CHSGND 15 O Y 100K O Y NOTUSED 3 9K 5K HORZ PO T NOTUSED 0 TO 235VTOPG B GNDTOPG B OP1B AM P OR C AMPPOT 100OY 220K O Y NOTUSED ZEROO H...

Page 36: ...PCB 158R5 LOW VOLTAGE POWER SUPPLY...

Page 37: ...PCB 235C HIGH VOLTAGE DC POWER SUPPLY...

Page 38: ...PCB 216F PRF PW TR ADJUST...

Page 39: ...PCB 151D PULSE WIDTH RANGE CONTROL...

Page 40: ...PCB 104G KEYPAD DISPLAY BOARD...

Page 41: ...V 5 B 0 TO 1 5V 6 C 0 TO 1 5V 7 D 0 TO 1 5V 8 BUF IN 9 BUF OUT 10 INV IN 11 INV OUT 12 NON IN 13 NON O UT 14 216E B C D 551 IN 15 551 OUT 16 X1 1 X2 2 Y1 3 Y2 4 OS 5 MULT 6 GND 7 GND 8 A 24 V 1 G 2 IN...

Page 42: ...PERFORMANCE CHECKSHEET 42...

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