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P.O. BOX 265
OGDENSBURG, NY
U.S.A. 13669-0265
A V T E C H
TEL: 888-670-8729 (USA & Canada) or +1-613-686-6675 (Intl)
FAX: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl)
info@avtechpulse.com
INSTRUCTIONS
MODEL AVH-HV1-B
TO 100 Volt, 100 kHz IMPULSE GENERATOR
WITH IEEE 488.2 AND RS-232 CONTROL
SERIAL NUMBER: ____________
E L E C T R O S Y S T E M S
N A N O S E C O N D
W A V E F O R M
S I N C E
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http://www.avtechpulse.com/
E L E C T R O N I C S
1 9 7 5
X
BOX 5120, LCD MERIVALE
OTTAWA, ONTARIO
CANADA
L T D .
K2C 3H5
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Summary of Contents for Avtech AVH-HV1-B
- Page 1 BOX 5120, LCD MERIVALE OGDENSBURG, NY FAX: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl) OTTAWA, ONTARIO U.S.A. 13669-0265 CANADA K2C 3H5 info@avtechpulse.com http://www.avtechpulse.com/ INSTRUCTIONS MODEL AVH-HV1-B TO 100 Volt, 100 kHz IMPULSE GENERATOR WITH IEEE 488.2 AND RS-232 CONTROL SERIAL NUMBER: ____________...
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Page 2: Warranty
Avtech product is found to be defective, Avtech shall 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 ratings. -
Page 3: Table Of Contents
TABLE OF CONTENTS WARRANTY........................2 TECHNICAL SUPPORT....................2 TABLE OF CONTENTS....................3 INTRODUCTION.......................5 AVAILABLE OPTIONS......................5 SPECIFICATIONS......................6 REGULATORY NOTES....................7 FCC PART 18.......................... 7 EC DECLARATION OF CONFORMITY...................7 DIRECTIVE 2011/65/EU (RoHS).....................8 DIRECTIVE 2002/96/EC (WEEE)....................8 AC POWER SUPPLY REGULATORY NOTES................9 FIRMWARE LICENSING......................9 INSTALLATION.......................10 VISUAL CHECK........................10 POWER RATINGS......................... - Page 4 PCB 104F - KEYPAD / DISPLAY BOARD, 1/3..............38 PCB 104F - KEYPAD / DISPLAY BOARD, 2/3..............39 PCB 104F - KEYPAD / DISPLAY BOARD, 3/3..............40 MAIN WIRING........................41 PERFORMANCE CHECK SHEET.................42 Manual Reference: /fileserver2/officefiles/instructword/avh/AVH-HV1-B,edition3.odt. Last modified July 18, 2016. Copyright © 2016 Avtech Electrosystems Ltd, All Rights Reserved.
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Page 5: Introduction
≤ 1 ns wide impulses with amplitudes of up to 100V at repetition rates up to 100 kHz, into 50Ω loads. The AVH-HV1-B includes an internal trigger source, but it can also be triggered or gated by an external source. A front-panel pushbutton can also be used to trigger the instrument. -
Page 6: Specifications
-C units and via keypad control on -B units. -PN option not available on modules. 6) For DC offset option suffix the model number with -OS. Avtech Model AVX-T bias tee can also be used to obtain DC offset. -
Page 7: Regulatory Notes
If interference is observed, check that appropriate well-shielded cabling is used on the output connectors. Contact Avtech (info@avtechpulse.com) for advice if you are unsure of the most appropriate cabling. Also, check that your load is adequately shielded. It may be necessary to enclose the load in a metal enclosure. -
Page 8: Directive 2011/65/Eu (Rohs)
< 100 ppm (0.01% by mass) DIRECTIVE 2002/96/EC (WEEE) European customers who have purchased this equipment directly from Avtech will have completed a “WEEE Responsibility Agreement” form, accepting responsibility for WEEE compliance (as mandated in Directive 2002/96/EC of the European Union and local laws) on behalf of the customer, as provided for under Article 9 of Directive 2002/96/EC. -
Page 9: Ac Power Supply Regulatory Notes
Requirements for WEEE compliance may include registration of products with local governments, reporting of recycling activities to local governments, and financing of recycling activities. AC POWER SUPPLY REGULATORY NOTES This instrument converts the AC input power to the +24V DC voltage that powers the internal circuitry of this instrument using a Tamura AAD130SD-60-A switching power supply. -
Page 10: Installation
INSTALLATION VISUAL CHECK After unpacking the instrument, examine to ensure that it has not been damaged in shipment. Visually inspect all connectors, knobs, liquid crystal displays (LCDs), and the handles. Confirm that a power cord, a GPIB cable, and two instrumentation manuals (this manual and the “Programming Manual for -B Instruments”) are with the instrument. -
Page 11: Protection From Electric Shock
5. 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. Service is to... -
Page 12: Environmental Conditions
ENVIRONMENTAL CONDITIONS This instrument is intended for use under the following conditions: 1. indoor use; 2. altitude up to 2 000 m; 3. temperature 5 °C to 40 °C; 4. maximum relative humidity 80 % for temperatures up to 31 °C decreasing linearly to 50 % relative humidity at 40 °C;... -
Page 13: Fuses
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: Fuses #1 and #2 Fuse #4 Fuse #3... -
Page 14: Dc Fuse Replacement
DC FUSE REPLACEMENT The DC fuses may be replaced by inserting the tip of a flat-head screwdriver into the fuse holder slot, and rotating the slot counter-clockwise. The fuse and its carrier will then pop out. FUSE RATINGS The following table lists the required fuses: Recommended Replacement Part Nominal Fuses... -
Page 15: Front Panel Controls
FRONT PANEL CONTROLS 1. POWER Switch. This is the main power switch. When turning the instrument on, there is normally a delay of 10 seconds before anything is shown on the main display, as the internal operating system boots up. If the main menu does not appear after 30 seconds, turn off the instrument and leave it off for at least 60 seconds before applying power again. - Page 16 of +3 Volts to R > 1 kΩ with a pulse width of approximately 100 ns. 5. LIQUID CRYSTAL DISPLAY (LCD). This LCD is used in conjunction with the keypad to change the instrument settings. Normally, the main menu is displayed, which lists the key adjustable parameters and their current values.
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Page 17: Rear Panel Controls
REAR PANEL CONTROLS GATE RS-232 TRIG GPIB Note: some connectors may be in different positions than shown above, depending on the exact combination of options ordered. 1. AC POWER INPUT. An IEC-320 C14 three-pronged recessed male socket is provided on the back panel for AC power connection to the instrument. One end of the detachable power cord that is supplied with the instrument plugs into this socket. - Page 18 6. GPIB Connector. A standard GPIB cable can be attached to this connector to allow the instrument to be computer-controlled. See the “Programming Manual for -B Instruments” for more details on GPIB control. 7. RS-232 Connector. A standard serial cable with a 25-pin male connector can be attached to this connector to allow the instrument to be computer-controlled.
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Page 19: General Information
GENERAL INFORMATION BASIC PULSE CONTROL This instrument can be triggered by its own internal clock or by an external TTL trigger signal. In either case, two output channels respond to the trigger: OUT and SYNC. The OUT channel is the signal that is applied to the load. Its amplitude and pulse width are variable. -
Page 20: Trigger Modes
> 50 ns TRIG TTL LEVELS (external input) (0V and 3V-5V) PROPAGATION DELAY (FIXED) 100 ns, FIXED SYNC OUT 3V, FIXED PULSE WIDTH DELAY > 0 (FIXED) (VARIABLE) AMPLITUDE, VARIABLE MAIN OUTPUT Figure C As before, if the delay is negative, the order of the SYNC and OUT pulses is reversed. TRIGGER MODES This instrument has four trigger modes: ... -
Page 21: Gating Modes
GATING MODES Triggering can be suppressed by a TTL-level signal on the rear-panel GATE connector. The instrument can be set to stop triggering when this input high or low, using the front- panel gate menu or the appropriate programming commands. When gated, the output will complete the full pulse width if the output is high, and then stop triggering. -
Page 22: Protecting Your Instrument
PROTECTING YOUR INSTRUMENT TURN OFF INSTRUMENT WHEN NOT IN USE The lifetime of the switching elements in the pulse generator module is proportional to the running time of the instrument. For this reason the prime power to the 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. -
Page 23: Operational Check
Then read the “Local Control” section of the “Programming Manual for -B Instruments” thoroughly. The “Local Control” section describes the front panel controls used in this operational check - in particular, the MOVE, CHANGE, and ADJUST controls. SAMPLING AVTECH OSCILLOSCOPE PULSER BW > 10 GHz MAIN OUTPUT... - Page 24 3. Turn on the AVH-HV1-B. The main menu will appear on the LCD. 4. To set the AVH-HV1-B to trigger from the internal clock at a PRF of 10 kHz: a) The arrow pointer should be pointing at the frequency menu item. If it is not, press the MOVE button until it is.
- Page 25 b) Press the CHANGE button. The amplitude submenu will appear. Rotate the ADJUST knob until the amplitude is set at +100V (or -100V for "-N" models). c) Observe the oscilloscope. You should see 1 ns wide, 100V pulses. If you do not, you may need to adjust the delay setting to a value more compatible with your sampling oscilloscope.
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Page 26: Programming Your Impulse Generator
PROGRAMMING YOUR IMPULSE GENERATOR KEY PROGRAMMING COMMANDS The “Programming Manual for -B Instruments” describes in detail how to connect the impulse generator to your computer, and the programming commands themselves. A large number of commands are available; however, normally you will only need a few of these. -
Page 27: All Programming Commands
ALL PROGRAMMING COMMANDS For more advanced programmers, a complete list of the available commands is given below. These commands are described in detail in the “Programming Manual for -B Instruments”. (Note: this manual also includes some commands that are not implemented in this instrument. - Page 28 *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>...
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Page 29: Mechanical Information
There are no user-adjustable internal circuits. For repairs other than fuse replacement, please contact Avtech (info@avtechpulse.com) to arrange for the instrument to be returned to the factory for repair. Service is to be performed solely by qualified service personnel. -
Page 30: Maintenance
MAINTENANCE REGULAR MAINTENANCE This instrument does not require any regular maintenance. On occasion, one or more of the four rear-panel fuses 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 dislodge any accumulated dust. -
Page 31: Wiring Diagrams
WIRING DIAGRAMS WIRING OF AC POWER Mains circuits - hazardous live. Do no t attem pt a ny rep airs on this i nstr ume nt beyon d the fuse repla cement p ro cedures de scrib ed i n the manual. C ontact A v tech if the i nstr ument A3 - B LA CK r equi res serv icing. -
Page 32: Wiring Of Dc Power
R3 = NOT US ED U1 = M1 0-S 150/A /Y PC B 1 5 8 Q PC B 1 5 8 Q AVH-SB-B-P, AVH-HV1-B-P, AVH-S-1-B POWER SUPPLY Pri nte d Re vis i on 18-Jul-2016 Z:\mjcfiles\circuits\avh\avh.Ddb - AVH-SB-B-P\SB PS V2.SCH... -
Page 33: Pcb 158Q - Low Voltage Power Supply, 1/3
PCB 158Q - LOW VOLTAGE POWER SUPPLY, 1/3 X1 3 6 -3 2 1 /4 " SS SC REW , 0 6 0 4 M PP 1 8 8 6 -3 2 SS EXT TO OTH W ASH ER, 0 6 W E1 8 8 X1 4 6 -3 2 1 /4 "... -
Page 34: Pcb 158Q - Low Voltage Power Supply, 2/3
PCB 158Q - LOW VOLTAGE POWER SUPPLY, 2/3 FU SEHO LD ER X2 1 PC B1 5 8 AL, V3 B RA CK ET 6 4 0 4 4 5 -6 TES T-LO OP TES T-LO OP X2 2 S1 A S1 B , OR DC S2 A , OR DC BU +... -
Page 35: Pcb 158Q - Low Voltage Power Supply, 3/3
PCB 158Q - LOW VOLTAGE POWER SUPPLY, 3/3 R2 1 1 . 5 K OY CA PB AN K R2 6 1 5 K C2 3 1 0 0 0 u F/3 5 V HV W AR NING R1 7 EX T SH OR TS OU T B AS E W HE N CH AR GING. -
Page 36: Pcb 235B - High-Voltage Power Supply
PCB 235B - HIGH-VOLTAGE POWER SUPPLY... -
Page 37: Pcb 217A - Relay Driver
PCB 217A - RELAY DRIVER KE YSTO NE 6 2 1 B RA CK ET PS7 1 0 A-1 A PS7 1 0 A-1 A KE YSTO NE 6 2 1 B RA CK ET 1 .5 K 1 . 5 K SE E ML 6 4 0 4 5 6 -6 SSR RELAY DRIVER... -
Page 38: Pcb 104F - Keypad / Display Board, 1/3
PCB 104F - KEYPAD / DISPLAY BOARD, 1/3 Amp 5 4 9 9 9 1 0 -1 , 1 0 p in strai g h t h ead er LC D-BU TT LC D-BU TT. SCH SD A SD A SC L SC L GN D... -
Page 39: Pcb 104F - Keypad / Display Board, 2/3
PCB 104F - KEYPAD / DISPLAY BOARD, 2/3 U4 A VC C C1 0 VC C BU T1 VC C 2 . 2 u F C1 5 C1 3 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . -
Page 40: Pcb 104F - Keypad / Display Board, 3/3
PCB 104F - KEYPAD / DISPLAY BOARD, 3/3 VC C VC C 0 . 1 u F 2 . 2 u F GN D VC C VC C VC C SD A SD A SC L SC L GN D PA D3 PA D4 PC F8 5 7 4 AN (MU ST HA VE "A"... -
Page 41: Main Wiring
AV H-SB -B-P, A VH -S -1 -B -P : I NS TALL C 9 = 47p F (1 MH z ) N. O . 4 0 1 -2 2 0 8 (1 2 V ) CO NN 5 OU T AVH-SB-B-P, AVH-HV1-B-P, AVH-S-1-B-P Pri nte d Re vis i on 18-Jul-2016 Z:\mjcfiles\circuits\avh\avh.Ddb - AVH-SB-B-P\SB WIRING V2.Sch... -
Page 42: Performance Check Sheet
PERFORMANCE CHECK SHEET...
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