AVTECH ELECTROSYSTEMS AVRK-3-B Скачать руководство пользователя | Manualshive

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Avtech suggest the Midwest Microwave ATT-0527-XX-SMA-07 family of fixed 12 GHz /
20 Watt attenuators, or the Mini-Circuits BW- family of 18 GHz / 20 Watt
attenuators, for use with the AVRK-3-B.

For more information, please see the Avtech application note “How Can I Extend the
Amplitude Range to Low Levels?” at

http://www.avtechpulse.com/appnote/techbrief11/

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Содержание AVRK-3-B

Страница 1: ...NUMBER 13915 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 U...

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: ...VE 2002 96 EC WEEE 10 FIRMWARE LICENSING 11 INSTALLATION 12 VISUAL CHECK 12 POWER RATINGS 12 CONNECTION TO THE POWER SUPPLY 12 PROTECTION FROM ELECTRIC SHOCK 13 ENVIRONMENTAL CONDITIONS 14 LABVIEW DRI...

Страница 4: ...INTENANCE 33 REGULAR MAINTENANCE 33 CLEANING 33 TRIGGER DAMAGE 33 WIRING DIAGRAMS 34 WIRING OF AC POWER 34 WIRING OF DC POWER 35 PCB 158R4 LOW VOLTAGE POWER SUPPLY 36 PCB 284B HIGH VOLTAGE POWER SUPPL...

Страница 5: ...ce it can also be triggered or gated by external TTL level signals A front panel pushbutton or a computer command can also be used to trigger the instrument The AVRK 3 B features front panel keyboard...

Страница 6: ...ally generated DC offset 50 Volts 250 mA DC maximum can be added to the output EA Option the amplitude can be controlled by an externally generated 0 to 10V analog control voltage R5 Option This is th...

Страница 7: ...recautions should always be observed 1 Keep exposed high voltage wiring to an absolute minimum 2 Wherever possible use shielded connectors and cabling 3 Connect and disconnect loads and cables only wh...

Страница 8: ...ith the amplitude setting For this reason the actual output characteristics should be verified by measuring the main output or the monitor output For high accuracy applications requiring traceable cal...

Страница 9: ...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 10: ...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...

Страница 11: ...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...

Страница 12: ...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 13: ...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...

Страница 14: ...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 15: ...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 16: ...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...

Страница 17: ...low i e output disabled for about 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 dis...

Страница 18: ...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...

Страница 19: ...nstrument 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 to a...

Страница 20: ...on RS 232 control 8 Network Connector This Ethernet connector allows the instrument to be remotely controlled using the VXI 11 3 ssh secure shell telnet and http web protocols See the Programming Manu...

Страница 21: ...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 delay All waveforms are shown wi...

Страница 22: ...clock internally External Trigger the instrument is triggered by an external TTL level clock on the back panel TRIG connector Manual Trigger the instrument is triggered by the front panel SINGLE PULS...

Страница 23: ...able at wide pulse widths Also the pulse width tends to increase as the amplitude is reduced especially at wide pulse widths For these reasons the pulse width settings should not be relied upon for an...

Страница 24: ...z 20 Watt attenuators or the Mini Circuits BW SXXW20 family of 18 GHz 20 Watt attenuators for use with the AVRK 3 B For more information please see the Avtech application note How Can I Extend the Amp...

Страница 25: ...nstrument 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 EXCEE...

Страница 26: ...ng scope vertical input channel will insure 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 6 kW The peak power rating of...

Страница 27: ...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 The delay submenu will appear Rotate the ADJUST knob until th...

Страница 28: ...ob until the amplitude is set at 550V or 550V for N models c Observe the oscilloscope You should see 20 ns wide 550V pulses If you do not you may need to adjust the delay setting to a value more compa...

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 20 ns sets the pulse width...

Страница 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...

Страница 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...

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: ...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...

Страница 34: ...BOARD B UNITS ONLY Chassisgroundpost G1 G2 B1 G4 G3 L N G X2 CORCOM 6EGG1 2 POWERENTRY M ODULE 1 1b 1a 2 2b 2a X1 POWERSWITCH SW325 ND CW INDUSTRIES GRS 4022 0013 A1 BROWN A2 BLUE A3 BLACK A4 WHITE GR...

Страница 35: ...15 V 15V 5V 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 PCB158R4 HI E...

Страница 36: ...PCB 158R4 LOW VOLTAGE POWER SUPPLY...

Страница 37: ...PCB 284B HIGH VOLTAGE POWER SUPPLY...

Страница 38: ...PCB 216E OP AMP TWEAKS...

Страница 39: ...2015 ddb Documents Panelbrd prj PANELTOP LEVELSCHEMATIC 1 2 3 4 5 6 7 8 9 10 J5 Amp 54999 10 1 10 pin straight head er I2C_INT SC L SDA GND VC C SINGLE PULSE BACKLIGHT ENCODER ENCODER S CH I2C_INT SC...

Страница 40: ...UST HAVE A IN P N VC C 1A 1B X2 82 101 71 1 b utton keypad 1 2 U4 A MM74HC 14N 11 10 U1 E MM74HC 14N SINGLE PULSE VC C VC C C1 0 2 2uF C1 1 2 2uF C1 2 2 2uF C9 2 2uF C7 2 2uF C6 2 2uF C1 2 2uF 3 4 U4...

Страница 41: ...A SC L VC C VC C GND VC C VC C C5 0 1uF 1 2 U1 A MM74HC 14N 13 12 U1 F MM74HC 14N 5 6 U1 C MM74HC 14N PAD3 LED PAD4 LED X3 4 40 MOUNT X1 4 40 MOUNT X9 4 40 MOUNT X8 4 40 MOUNT 3 4 U1 B MM74HC 14N LC D...

Страница 42: ...3 VP RF IN 4 A 0 TO 1 5V 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 OUT 14 216E B C D 551 IN 15 551 OUT 16 X1 1 X2 2 Y1 3 Y2 4 OS 5 MULT 6 GND...

Страница 43: ...PERFORMANCE CHECKSHEET 43...

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