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HIGH-VOLTAGE PRECAUTIONS

CAUTION:

This instrument provides output voltages as high as 250 Volts under

normal operating conditions, and generates up to 260V internally, so extreme caution
must be employed when using this instrument. The instrument should only be used by
individuals who are thoroughly skilled in high voltage laboratory techniques. The
following precautions 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 when the instrument is turned off.

4. Keep in mind that all cables, connectors, oscilloscope probes, and loads must

have an appropriate voltage rating.

Do not attempt any repairs on the instrument, beyond the fuse replacement procedures
described in this manual. Contact Avtech technical support (see page 2 for contact
information) if the instrument requires servicing.

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Содержание AVR-G1-B

Страница 1: ...MBER 14119 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...

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: ...0 DIRECTIVE 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 LA...

Страница 4: ...INTERFERENCE 34 MAINTENANCE 35 REGULAR MAINTENANCE 35 CLEANING 35 WIRING DIAGRAMS 36 WIRING OF AC POWER 36 PCB 158R5 LOW VOLTAGE POWER SUPPLY 37 PCB 284C HIGH VOLTAGE DC POWER SUPPLY 38 PCB 183A S AND...

Страница 5: ...g with a four line by 40 character backlit LCD display of the output amplitude pulse width pulse repetition frequency and delay The instrument includes memory to store up to four complete instrument s...

Страница 6: ...ent OT Option Allows a DC offset in the range of 50V to 50V to be added to the output When generating a pulse with positive amplitude the offset plus amplitude must remain between 0 and 250V and when...

Страница 7: ...ecautions 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 whe...

Страница 8: ...ions H x W x D 100 mm x 430 mm x 375 mm 3 9 x 17 x 14 8 Chassis material Aluminum frame and handles gray vinyl on aluminum cover plates Rack mount kit Optional Add R5 to the model number Temperature r...

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 1A 250V Tim...

Страница 17: ...low for another 5 seconds If the overload condition has been removed the instrument will resume normal operation This overload indicator may flash yellow briefly at start up This is not a cause for co...

Страница 18: ...is decreases the setting by a factor 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 FI...

Страница 19: ...ng of the 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 Wh...

Страница 20: ...olled A user name admin and a password default as shipped from the factory are required when logging into a serial terminal session The internal controller attempts to auto sense the parity setting It...

Страница 21: ...sitive 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 triggering and a...

Страница 22: ...th approximately and the delay circuit is bypassed Figure D The delay pulse width and frequency when in the internal mode of the OUT pulse can be varied with front panel controls or via the GPIB or RS...

Страница 23: ...s is illustrated below TRIGGER MODES This instrument has four trigger modes Internal Trigger the instrument controls the trigger frequency and generates the clock internally MAIN OUTPUT THE PEAK VOLTA...

Страница 24: ...commands See the Programming Manual for B Instruments for more details GATING MODES Triggering can be suppressed by a TTL level signal on the rear panel GATE connector The instrument can be set to st...

Страница 25: ...nstrument can generate 1 500 pulses for each individual trigger event The number of output pulses in each burst can be adjusted from 1 to 500 using the front panel controls using the N menu or by a co...

Страница 26: ...tion frequency specification for the instrument For this instrument the maximum PRF for the instrument is 10 kHz so the time between two leading edges within the burst may not be smaller than 100 us T...

Страница 27: ...to a minimum i e operate in a low PRF range when possible rather than in a high PRF range Keep the output PW to a minimum Never apply an externally generated voltage to the output port Reduce the ampl...

Страница 28: ...at least 250V The power dissipated in the resistor is given by P V2 R PW T V2 R PW f where V is the output voltage R is the load resistance PW is the pulse width and T is the pulse period 1 frequency...

Страница 29: ...l the arrow pointer is pointing at the delay menu item Press the CHANGE button The delay submenu will appear Rotate the ADJUST knob until the delay is set at 1 us The arrow pointer should be pointing...

Страница 30: ...N instruments Observe the oscilloscope You should see 1 us wide 200V pulses Rotate the ADJUST knob The amplitude as seen on the oscilloscope should vary Reduce the amplitude to 50V or 50V for N instru...

Страница 31: ...urns 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 1 us sets the pulse width to...

Страница 32: ...ue EXTernal 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...

Страница 33: ...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 34: ...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 35: ...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 36: ...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...

Страница 37: ...PCB 158R5 LOW VOLTAGE POWER SUPPLY...

Страница 38: ...PCB 284C HIGH VOLTAGE DC POWER SUPPLY...

Страница 39: ...D Mfg 7200 4 40 thread standoff 3 8 X8 HV WARNING X9 HV WARNING X11 HV WARNING R1 R2 R3 R4 R5 R6 1 2 J1 HV 1 2 J2 HV 1 2 J3 GND 1 2 J4 GND P1 P2 P3 N1 N2 N3 R7 R8 R9 R10 1 2 J5 HV 1 2 J6 HV 1 2 J7 GND...

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

Страница 41: ...0OY NOT USED 1N5347 18KOY EXCEPT AVR 4 47KO Y 3 6K 3266W 5K T EK 2 220uF 400V P6850 ND CHANG ES REQ UIREDO N PCB295F M OST 6800pFCER 10kHz OV TEMP AUX A K JIG BD3 PCB104G KEYPAD AMPLITUDE 0 10V 1 OFFS...

Страница 42: ...PERFORMANCE CHECK SHEET 42...

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