AVTECH ELECTROSYSTEMS AVR-GHV1-B Instructions Manual Download

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INSTRUCTIONS

MODEL AVR-GHV1-B

500 V, 1 kHz PULSE GENERATOR

WITH IEEE 488.2 AND RS-232 CONTROL

SERIAL NUMBER: ____________

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

P.O. BOX 265
OGDENSBURG, NY
U.S.A. 13669-0265

TEL: 888-670-8729 (USA & Canada) or +1-613-686-6675 (Intl)

FAX: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl)

[email protected] - http://www.avtechpulse.com/

BOX 5120, LCD MERIVALE
OTTAWA, ONTARIO
CANADA K2C 3H5

Summary of Contents for AVR-GHV1-B

Page 1: ...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 FAX 800...

Page 2: ...r 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 ratings This warranty i...

Page 3: ...6 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 DRIVERS 14 F...

Page 4: ...AGRAMS 35 WIRING OF AC POWER 35 PCB 158R4 LOW VOLTAGE POWER SUPPLY 36 PCB 284B HIGH VOLTAGE DC POWER SUPPLY 37 PCB 183A S AND 183A P CAPACITOR BANKS 38 PCB 156D POLARITY CONTROL PN UNITS ONLY 39 PCB 1...

Page 5: ...board and adjust knob control of the output pulse parameters along with a four line by 40 character backlit LCD display of the output amplitude pulse width pulse repetition frequency and delay The ins...

Page 6: ...N type output connector is replaced with an SHV type connector R5 Option Rack mount kit VXI Option Adds a rear panel Ethernet connector allowing the instrument to be remotely controlled using the VXI...

Page 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...

Page 8: ...ts 100 ns will drive 50 Ohm loads Gate input Synchronous or asynchronous active high or low switchable Suppresses triggering when active Connectors OUT 6 Type N Connectors Trig Sync Gate BNC Power req...

Page 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...

Page 10: ...under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations greater than the listed maximum...

Page 11: ...ecycling activities to local governments and financing of recycling activities FIRMWARE LICENSING Instruments with firmware versions 5 00 or higher use open source software internally Some of this sof...

Page 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...

Page 13: ...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 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...

Page 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...

Page 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 0 8A 250V Ti...

Page 17: ...stay yellow 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 wil...

Page 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...

Page 19: ...ither 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 active high mode this input is...

Page 20: ...m the factory are required when logging into a serial terminal session The internal controller attempts to auto sense the parity setting It may be necessary to send a few return characters before atte...

Page 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...

Page 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...

Page 23: ...UT the output pulse width equals the pulse width of the trigger signal on the TRIG connector The instrument must be in the external trigger mode These modes can be selected using the front panel pulse...

Page 24: ...en above assume that a single output pulse is generated for each trigger event regardless of the source However when the burst mode feature is used on units with the BR option the instrument can gener...

Page 25: ...n frequency specification for the instrument For this instrument the maximum PRF for the instrument is 1 kHz so the time between two leading edges within the burst may not be smaller than 1 millisecon...

Page 26: ...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...

Page 27: ...at least 500V 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...

Page 28: ...il 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...

Page 29: ...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...

Page 30: ...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...

Page 31: ...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...

Page 32: ...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...

Page 33: ...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 34: ...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 35: ...X A K Y B R O Y G T O LCD T O PCB108 T O ENCODER T O LCD 104D BD2 PCB104D KEYPADBOARD B UNITS ONLY Chassisgroundpost G1 G2 B1 RED G4 G3 L N G X2 CORCOM 6EGG1 2 POWERENTRY M ODULE 1 1b 1a 2 2b 2a X1 PO...

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

Page 37: ...PCB 284B HIGH VOLTAGE DC POWER SUPPLY...

Page 38: ...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...

Page 39: ...3K R2 0 10K R1 7 1K R1 1 1K SMA1 NTRIG SMA2 PTR IG 1 2 3 4 5 6 K1 AQV2 21 R3 1 300 3 2 1 8 4 U1 A LM358 C1 0 1uF 15 V 5 6 7 U1 B LM358 CC W W CW R4 5K PMAX R3 4 7K CC W W CW R6 5K NMAX R5 4 7K C2 0 1...

Page 40: ...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...

Page 41: ...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...

Page 42: ...DA 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...

Page 43: ...T USED 1N5357 100K OY 3 9K 3266W 5K CHANGES REQUIREDON PCB295D 1 C9 6800 pFPOLY 6 8us DEADTIM E HIGHDUTY OV TEM P AU X A K BD3 PCB104F KEYPAD AMPLITUDE 0 10V 1 OFFSET 0 10V 2 PW 0 10V 3 SPARE 0 10V 4...

Page 44: ...PERFORMANCE CHECK SHEET...

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