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Avtech AVIR-2-B, Инструкция по эксплуатации

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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 can also be set
to act synchronously or asynchronously. When set to asynchronous mode, the GATE 
will disable the output immediately. Output pulses may be truncated. When set to 
synchronous mode, the output will complete the full pulse width if the output is high, 
and then stop triggering. No pulses are truncated in this mode.

22

Содержание AVIR-2-B

Страница 1: ...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 P O BOX 265 OGDENSBURG NY U S A 13669 0265 TEL 888 670 8729 USA Canada or 1 613 686 6675 Intl...

Страница 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...

Страница 3: ...Y REGULATORY NOTES 10 FIRMWARE 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 DRI...

Страница 4: ...E 33 REGULAR MAINTENANCE 33 CLEANING 33 WIRING DIAGRAMS 34 WIRING OF AC POWER 34 WIRING OF DC POWER 35 PCB 158N LOW VOLTAGE POWER SUPPLY 1 3 36 PCB 158N LOW VOLTAGE POWER SUPPLY 2 3 37 PCB 158N LOW VO...

Страница 5: ...a 50 load The AVIR 2 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 com...

Страница 6: ...be installed after first removing the one Phillips screw on the side panel adjacent to the front handle VXI Option Adds a rear panel Ethernet connector allowing the instrument to be remotely controll...

Страница 7: ...s or wider TTL Sync delay Sync out to pulse out variable 0 to 500 ns Sync output 3 Volts 100 ns will drive 50 Ohm loads Connectors Out SMA Trig Sync Gate B only BNC Power requirement 100 240 Volts 50...

Страница 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...

Страница 9: ...ies to Directive 2002 96 EC categories 1 7 and 10 as stated in the Article 2 Scope section of Directive 2002 95 EC DIRECTIVE 2002 96 EC WEEE European customers who have purchased this equipment direct...

Страница 10: ...4 4 Level 3 EN61000 4 5 Level 3 EN61000 4 11 CISPR 11 and 22 FCC Part 15 Class B conducted FIRMWARE LICENSING Instruments with firmware versions 5 00 or higher use open source software internally Some...

Страница 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...

Страница 12: ...ors 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 the...

Страница 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...

Страница 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...

Страница 15: ...ge Rating Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 115 V 0 5A 250V Time Delay 5 20 mm 0218 500HXP F2416 ND 230 V 0 5A 250V Time Delay 5 20 mm 0218 500...

Страница 16: ...by operating at an exceedingly high duty cycle or by operating into a very low impedance the protective circuit will disable the output of the instrument and turn the indicator light yellow The light...

Страница 17: ...w pointer on the display CHANGE This is used to enter the submenu or to select the operating mode pointed to by the arrow pointer 10 If one of the adjustable numeric parameters is displayed this incre...

Страница 18: ...is input is unconnected When set to active high mode this input is pulled down to ground by a 1 k resistor When set to active low mode this input is pulled up to 5V by a 1 k resistor 5 TRIG This TTL l...

Страница 19: ...ro Volts in corresponds to zero amplitude output and 10V in corresponds to maximum amplitude out This mode is activated by selecting Ext Control on the front panel amplitude menu or with the source vo...

Страница 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...

Страница 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...

Страница 22: ...o stop triggering when this input high or low using the front panel gate menu or the appropriate programming commands This input can also be set to act synchronously or asynchronously When set to asyn...

Страница 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...

Страница 24: ...rned 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 EXCEED 20 kHz The output st...

Страница 25: ...roper operation The output stage may be damaged if the output is not terminated into a 50 load The AVIR 2 B output may be observed using either a high speed sampling oscilloscope or a slower real time...

Страница 26: ...ed 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 sho...

Страница 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 menu...

Страница 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...

Страница 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 10 ns sets the pulse width...

Страница 30: ...WIDTh numeric 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 q...

Страница 31: ...IGger SOURce INTernal EXTernal MANual 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 num...

Страница 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...

Страница 33: ...es may require replacement All fuses can be accessed from the rear panel See the FUSES section for details CLEANING If desired the interior of the instrument may be cleaned using compressed air to dis...

Страница 34: ...C h a s s is g ro u n d p o s t G 1 G 2 B 1 R E D G 4 G 3 L N G X 2 C O R C O M 6 E G G 1 2 P O W E R E N T R Y M O D U L E 1 1 b 1 a 2 2 b 2 a X 1 P O W E R S W I T C H S W 3 2 5 N D C W IN D U S T...

Страница 35: ...E N G N D A M B E R S 1 A S 1 B D C S 2 A D C G N D C H S G N D S 2 B 2 0 A W G P C B 1 5 8 N 1 2 V O L O G N D K A J 1 J 2 J 3 J 4 J 5 J 6 J 7 J 8 J 9 F A N J 1 0 G N D G N D G N D 2 0 A W G C J 1 2...

Страница 36: ...8 J 4 6 4 0 4 4 5 8 1 2 3 4 5 6 J 3 6 4 0 4 4 5 6 1 5 V 1 5 V B U P O U T 1 1 5 V G N D 1 5 V p c b 1 5 8 N _ o v p p c b 1 5 8 N _ o v p s c h B U P O U T 1 1 5 V G N D 1 5 V 1 5 V B U E X T P O U T...

Страница 37: ...V C 1 1 2 2 u F L 3 4 3 4 1 3 1 0 1 M C 9 4 7 u F 3 5 V C 6 2 2 u F L 2 4 3 4 1 3 1 0 1 M C 3 4 7 u F 3 5 V C 1 4 7 u F 3 5 V C 8 2 2 u F L 1 4 3 4 1 3 1 0 1 M C 4 4 7 u F 3 5 V C 1 2 2 2 u F L 4 4 3...

Страница 38: ...M O U N T X 1 0 6 3 2 M O U N T A N Y 1 5 V N O N C M O S 5 5 5 1 4 1 2 Q 1 C M P Q 2 2 2 2 D I S A B L E O L O W H E N C H A R G I N G S H O R T S O U T B A S E W H E N C H A R G I N G B U 1 5 V G N...

Страница 39: ...PCB 235A HIGH VOLTAGE DC POWER SUPPLY...

Страница 40: ...PCB 216D PRF PW TR ADJUST...

Страница 41: ...L S C H E M A T I C 1 2 3 4 5 6 7 8 9 1 0 J 5 A H E 1 0 G N D M fg 4 9 9 9 1 0 1 1 0 p in s tra i g h t h e a d e r I2 C _ IN T S C L S D A G N D V C C S IN G L E P U L S E B A C K L IG H T E N C O D...

Страница 42: ...1 6 U 7 P C F 8 5 7 4 A P N M U S T H A V E A IN P N V C C 1 A 1 B X 2 8 2 1 0 1 7 1 1 b u t to n k e y p a d 1 2 U 4 A M M 7 4 H C 1 4 N 1 1 1 0 U 1 E M M 7 4 H C 1 4 N S IN G L E P U L S E V C C V C...

Страница 43: ...V E A IN P N V C C S D A S C L V C C V C C G N D V C C V C C C 5 0 1 u F D B 7 1 D B 6 2 D B 5 3 D B 4 4 D B 3 5 D B 2 6 D B 1 7 D B 0 8 E 1 9 R W 1 0 R S 1 1 V E E 1 2 V S S 1 3 V C C 1 4 E 2 1 5 N C...

Страница 44: ...N C L N K R E D G N D B L K N O C N C E A I N I N T R N G E X T A C T W H T V S P A R E V P R F G A T E T R I G E A L I M G S W N O C N C B D 2 O P 1 B M A I N B O A R D P C B 1 0 8 V C O N N 5 A M P...

Страница 45: ...PERFORMANCE CHECKSHEET 45...

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