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Avtech AVIR-2-B, Instructions Manual

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Avtech AVIR-2-B Instructions Manual Download Page 14

FUSES

This instrument contains four fuses. All are accessible from the rear-panel. Two protect
the   AC   prime   power   input,   and   two   protect   the   internal   DC   power   supplies.   The
locations of 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 may then be extracted using a small flat-head
screwdriver, as shown below:

14

Fuses #1 and #2

(AC fuses)

Fuse #4

(DC fuse)

Fuse #3

(DC fuse)

Fuse 
Drawer

Pry out the fuse 
drawer using a 
screwdriver.

Summary of Contents for AVIR-2-B

Page 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...

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: ...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...

Page 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...

Page 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...

Page 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...

Page 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...

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: ...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...

Page 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...

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: ...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...

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: ...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...

Page 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...

Page 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...

Page 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...

Page 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...

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: ...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...

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: ...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...

Page 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...

Page 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...

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 menu...

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 10 ns sets the pulse width...

Page 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...

Page 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...

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: ...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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 45: ...PERFORMANCE CHECKSHEET 45...

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