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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
Tel: 888-670-8729 (USA & Canada) or +1-613-686-6675 (Intl)
BOX 5120, LCD MERIVALE
http://www.avtechpulse.com/
Fax: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl)
OTTAWA, CANADA K2C3H5
INSTRUCTIONS
MODEL AVR-3-B
200 V, 10 kHz PULSE GENERATOR
WITH IEEE 488.2 AND RS-232 CONTROL
SERIAL NUMBER:
13988
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Summary of Contents for AVTECH ELECTROSYSTEMS AVR-3-B
- Page 1 Tel: 888-670-8729 (USA & Canada) or +1-613-686-6675 (Intl) BOX 5120, LCD MERIVALE http://www.avtechpulse.com/ Fax: 800-561-1970 (USA & Canada) or +1-613-686-6679 (Intl) OTTAWA, CANADA K2C3H5 INSTRUCTIONS MODEL AVR-3-B 200 V, 10 kHz PULSE GENERATOR WITH IEEE 488.2 AND RS-232 CONTROL SERIAL NUMBER: 13988...
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Page 2: Warranty
WARRANTY Avtech Electrosystems Ltd. warrants products of its manufacture to be free from defects in material and workmanship under conditions of normal use. If, within one year after delivery to the original owner, and after prepaid return by the original owner, this Avtech product is found to be defective, Avtech shall at its option repair or replace said defective item. -
Page 3: Table Of Contents
TABLE OF CONTENTS WARRANTY........................2 TECHNICAL SUPPORT....................2 TABLE OF CONTENTS....................3 INTRODUCTION.......................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 FIRMWARE LICENSING......................9 INSTALLATION......................10 VISUAL CHECK........................10 POWER RATINGS........................ 10 CONNECTION TO THE POWER SUPPLY................10 PROTECTION FROM ELECTRIC SHOCK................11 ENVIRONMENTAL CONDITIONS..................12 LABVIEW DRIVERS...................... - Page 4 PCB 104F - KEYPAD / DISPLAY BOARD, 2/3..............36 PCB 104F - KEYPAD / DISPLAY BOARD, 3/3..............37 MAIN WIRING (POSITIVE UNITS)..................38 PERFORMANCE CHECK SHEET.................39 Manual Reference: /fileserver2/officefiles/instructword/avr-3/AVR-3-B,ed9.odt. Last modified May 3, 2020. Copyright © 2020 Avtech Electrosystems Ltd, All Rights Reserved.
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Page 5: Introduction
100 ns to 100 us, and the duty cycle may be as high as 2%. Rise and fall times are fixed at less than 10 ns. The AVR-3-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
SPECIFICATIONS Model AVR-3-B Amplitude (into ≥ 50Ω) 2,4,7 <10 to 200V Maximum output current: Rise & fall times (20%-80%) into 50Ω: ≤ 10 ns Pulse width (FWHM): 100 ns to 100 us Maximum PRF: 10 kHz Max. duty cycle and average output power... -
Page 7: Regulatory Notes
This instrument does not normally require regular maintenance to minimize interference potential. However, if loose hardware or connectors are noted, they should be tightened. Contact Avtech (info@avtechpulse.com) if you require assistance. EC DECLARATION OF CONFORMITY Avtech Electrosystems Ltd. P.O. Box 5120, LCD Merivale Ottawa, Ontario Canada K2C 3H5 declare that this pulse generator meets the intent of Directive 2004/108/EG for Electromagnetic Compatibility. -
Page 8: Directive 2011/65/Eu (Rohs)
(also known as “RoHS Recast”). In addition, this declaration 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 greater than the listed maximum value. -
Page 9: Firmware Licensing
laws) on behalf of the customer, as provided for under Article 9 of Directive 2002/96/EC. Customers who have purchased Avtech equipment through local representatives should consult with the representative to determine who has responsibility for WEEE compliance. Normally, such responsibilities with lie with the representative, unless other arrangements (under Article 9) have been made. -
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
Destination Region Description Option Manufacturer Part Number United Kingdom, Hong Kong, BS 1363, -AC00 Qualtek 370001-E01 Singapore, Malaysia 230V, 50 Hz AS 3112:2000, Australia, New Zealand -AC01 Qualtek 374003-A01 230-240V, 50 Hz Continental Europe, Korea, European CEE 7/7 -AC02 Qualtek 364002-D01 Indonesia, Russia “Schuko”... -
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 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. The “Programming Manual for -B Instruments” describes the menus and submenus in detail.
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Page 17: Rear Panel Controls
REAR PANEL CONTROLS GATE TRIG RS-232 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 When triggering externally, the instrument can be set such that the output pulse width tracks the pulse width on this input, or the output pulse width can be set independently. 6. GPIB Connector . A standard GPIB cable 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 > 50 ns TRIG TTL LEVELS (external input) (0V and 3V-5V) PROPAGATION DELAY (FIXED) 100 ns, FIXED SYNC OUT 3V, FIXED DELAY > 0 PULSE WIDTH AMPLITUDE, VARIABLE MAIN OUTPUT Figure C As before, if the delay is negative, the order of the SYNC and OUT pulses is reversed. The last figure illustrates the relationship between the signal when an external TTL-level trigger is used in the PW mode.
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Page 21: Trigger Modes
TRIGGER MODES This instrument has four trigger modes: Internal Trigger: the instrument 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 instrument is triggered by the front-panel “SINGLE PULSE” pushbutton. -
Page 22: Output Impedance
OUTPUT IMPEDANCE The AVR-3-B features an output impedance of the order of several Ohms (rather than 50 Ohms). The following consequences of this feature should be noted: When used to switch some semiconductor devices (eg. bipolar and VMOS power transistors), the AVR unit will yield much faster switching times than those provided by 50 Ohm pulse generators. -
Page 23: Operational Check
200V of voltage and 20W of power. 3. Turn on the AVR-3-B. The main menu will appear on the LCD. 4. To set the AVR-3-B to trigger from the internal clock at a PRF of 1 kHz:... - Page 24 The arrow pointer should be pointing at the frequency menu item. If it is not, press the MOVE button until it is. Press the CHANGE button. The frequency submenu will appear. Rotate the ADJUST knob until the frequency is set at 1 kHz. ...
- Page 25 Press MOVE until the arrow pointer is pointing at the “ON” choice. Press CHANGE to return to the main menu. 9. To change the output amplitude: Press the MOVE button until the arrow pointer is pointing at the amplitude menu item.
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Page 26: Programming Your Pulse Generator
PROGRAMMING YOUR PULSE GENERATOR KEY PROGRAMMING COMMANDS The “Programming Manual for -B Instruments” describes in detail how to connect the pulse 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 :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] *RST [no query form]...
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Page 29: Mechanical Information
MECHANICAL INFORMATION TOP COVER REMOVAL If necessary, the interior of the instrument may be accessed by removing the four Phillips screws on the top panel. With the four screws removed, the top cover may be slid back (and off). Always disconnect the power cord and allow the instrument to sit unpowered for 10 minutes before opening the instrument. -
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 M a ins circuits - ha z ard ou s live . A3 - BLACK Do not attem pt any repairs on this instrument POWER SWITCH SW325-ND (CW INDUSTRIES G RS-4022-0013) bey ond the fuse replacement procedures described NORMALLY: ECP180PS24 in the m anual. -
Page 32: Pcb 158R4 - Low Voltage Power Supply
PCB 158R4 - LOW VOLTAGE POWER SUPPLY... -
Page 33: Pcb 284B - High Voltage Dc Power Supply
PCB 284B - HIGH VOLTAGE DC POWER SUPPLY... -
Page 34: Pcb 183A-S And 183A-P Capacitor Banks
PCB 183A-S AND 183A-P CAPACITOR BANKS 183A-S (SERIES CAPACIT OR BANK) 7 2 00 K -ND, Mfg . 7 2 0 0, 4-4 0 th read stando ff 3 /8" HV + GN D 7 2 00 K -ND, Mfg . 7 2 0 0, 4-4 0 th read stando ff 3 /8" X1 1 7 2 00 K -ND, Mfg . -
Page 35: 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 36: 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 37: 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 38: Main Wiring (Positive Units)
MAIN WIRING (POSITIVE UNITS) USE 1/2" ST ANDOFFS P4-P6: STD: 47uF, 450V (338-3659-ND) T EK2: 220uF, 400V (P6850-ND) N4-N6: UNUSED VPRF R7,R8 (BOT ): 100K OY +15V NSY VSPARE R9-R10 (BO T ): UNUSED PG-P PCB 183A-P SYNC CONN1 SYNC O LIM EX +15V ON/OFF +5V ON/OFF... -
Page 39: Performance Check Sheet
PERFORMANCE CHECK SHEET...
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