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Avtech AVP-AV-1-B, Инструкция по эксплуатации

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PCB 158R5 - LOW VOLTAGE POWER SUPPLY

 

 

Содержание AVP-AV-1-B

Страница 1: ...232 CONTROL SERIAL NUMBER 14175 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...

Страница 2: ...all at its option repair or replace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or...

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

Страница 4: ...E 30 MAINTENANCE 31 REGULAR MAINTENANCE 31 CLEANING 31 TRIGGER DAMAGE 31 WIRING DIAGRAMS 32 WIRING OF AC POWER 32 PCB 158R5 LOW VOLTAGE POWER SUPPLY 33 PCB 235C HIGH VOLTAGE DC POWER SUPPLY 34 PCB 231...

Страница 5: ...y 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 to trigger...

Страница 6: ...to the model number to include the recommended accessory kit Consists of three SMA 18 GHz 2 Watt attenuators 10 20 30 dB for use on the output and two 50 Ohm 1 GHz 1 Watt feed through terminators one...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 12: ...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 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...

Страница 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...

Страница 15: ...he 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 another 5 seconds If the...

Страница 16: ...of ten If one of the adjustable numeric parameters is displayed and this parameter can be both positive or negative this changes the sign of the parameter EXTRA FINE This changes the step size of the...

Страница 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...

Страница 18: ...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 Manual for B Instruments for more details...

Страница 19: ...elay is 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 interna...

Страница 20: ...ument 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...

Страница 21: ...ggering Pulses are not truncated OPERATION AT LOW AMPLITUDES This instrument will generate the best waveforms when operated near maximum amplitude If amplitudes less than 20 of the full scale value ar...

Страница 22: ...s option adds a bias tee circuit on the output and adds an internal 0 to 5V DC bias source The offset level can be set by the front panel controls or by computer commands The internal DC source is act...

Страница 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 EXC...

Страница 24: ...pling scope vertical input channel will insure a peak input signal to the sampling scope of less than 1 Volt Factory tests are conducted using two Mini Circuits model BW S20W2 attenuators in series b...

Страница 25: ...l 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 the delay is set at 100 ns c The arrow pointer should be poi...

Страница 26: ...ate the ADJUST knob until the amplitude is set at 10V or 10V for N models c Observe the oscilloscope You should see 3 ns wide 10V pulses If you do not you may need to adjust the delay setting to a val...

Страница 27: ...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 width 4 ns sets the pulse widt...

Страница 28: ...FIXed numeric value SOURce PULSe PERiod numeric value WIDTh numeric value DCYCle numeric value HOLD WIDTh DCYCle DELay numeric value GATE TYPE ASYNC SYNC LEVel HIgh LOw SOURce VOLTage LEVel IMMediate...

Страница 29: ...nly VERSion query only TRIGger 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...

Страница 30: ...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 31: ...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 32: ...WIRING DIAGRAMS WIRING OF AC POWER...

Страница 33: ...PCB 158R5 LOW VOLTAGE POWER SUPPLY...

Страница 34: ...PCB 235C HIGH VOLTAGE DC POWER SUPPLY...

Страница 35: ...PCB 231A INTERNAL OFFSET GENERATOR...

Страница 36: ...PCB 216F PW PRF TWEAK...

Страница 37: ...PCB 151D RANGE POLARITY RELAY BOARD...

Страница 38: ...PCB 104G KEYPAD DISPLAY BOARD...

Страница 39: ...MAIN WIRING...

Страница 40: ...PERFORMANCE CHECKSHEET 40...

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