AVTECH ELECTROSYSTEMS AVR-2B-B Instructions Manual
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AVTECH ELECTROSYSTEMS AVR-2B-B Instructions Manual

±100 volts, 100 khz pulse generator with ieee 488.2 and rs-232 control
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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)
BOX 5120, LCD MERIVALE
http://www.avtechpulse.com/
or +1-613-686-6675 (Worldwide)
OTTAWA, CANADA K2C3H5
INSTRUCTIONS
MODEL AVR-2B-B
±100 Volts, 100 kHz
PULSE GENERATOR WITH
IEEE 488.2 AND RS-232 CONTROL
SERIAL NUMBER:
14216

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Summary of Contents for AVTECH ELECTROSYSTEMS AVR-2B-B

  • Page 1 S I N C E 1 9 7 5 info@avtechpulse.com Tel: 888-670-8729 (USA & Canada) BOX 5120, LCD MERIVALE http://www.avtechpulse.com/ or +1-613-686-6675 (Worldwide) OTTAWA, CANADA K2C3H5 INSTRUCTIONS MODEL AVR-2B-B ±100 Volts, 100 kHz PULSE GENERATOR WITH IEEE 488.2 AND RS-232 CONTROL SERIAL NUMBER: 14216...

  • 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 183A-S AND 183A-P CAPACITOR BANKS..............36 PCB 156D - POLARITY CONTROL BOARD (-PN UNITS ONLY)........37 PCB 104G - KEYPAD / DISPLAY BOARD................38 MAIN WIRING........................39 PERFORMANCE CHECK SHEET.................40 Manual Reference: /fileserver2/officefiles/instructword/avr-2/AVR-2B-B,ed8.odt. Last modified January 24, 2022. Copyright © 2022 Avtech Electrosystems Ltd, All Rights Reserved.

  • Page 5: Introduction

    50%. The maximum average output power is 100 Watts. Rise and fall times are fixed at less than 10 ns. The AVR-2B-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-2B-B Amplitude (into ≥ 50Ω) 2,3,5 5 to 100V Maximum output current: Rise & fall times (20%-80%): ≤ 10 ns Pulse width (FWHM): 100 ns to 100 us Maximum PRF: 100 kHz Max. duty cycle, Standard: 50%, 100W...

  • 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.

  • 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.

  • 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.

  • 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: Preventing Output Stage Failure

    PREVENTING OUTPUT STAGE FAILURE The output stage is protected against overload conditions by an overload circuit and fuses on the main frame back panel. However, the output switching elements may fail if the unit is triggered at a PRF exceeding 100 kHz or at duty cycles resulting in an average output power in excess of 100 Watts.

  • Page 23: Operational Check

    100V of voltage and 100W of power. 3. Turn on the AVR-2B-B. The main menu will appear on the LCD. 4. To set the AVR-2B-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.

  • 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]...

  • 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...

  • Page 32: Wiring Of Dc Power

    WIRING OF DC POWER...

  • Page 33: Pcb 158R7 - Low Voltage Power Supply

    PCB 158R7 - LOW VOLTAGE POWER SUPPLY...

  • Page 34: Pcb 197K - High-Voltage Power Supply

    PCB 197K - HIGH-VOLTAGE POWER SUPPLY...

  • Page 35: Pcb 179B - Capacitor Banks

    PCB 179B - CAPACITOR BANKS 7 2 0 0 K - N D , M f g . 7 2 0 0 , 4 - 4 0 t h r e a d s t a n d o f f 3 / 8 " 1 I N C H C A P 1 I N C H C A P 1 I N C H C A P...

  • Page 36: Pcb 183A-S And 183A-P Capacitor Banks

    PCB 183A-S AND 183A-P CAPACITOR BANKS 183A-S (SERIES CAPACITOR BANK) 7 2 00 K -ND, Mfg . 7 2 0 0, 4 -4 0 th read stan do ff 3 /8" HV + GN D 7 2 00 K -ND, Mfg . 7 2 0 0, 4 -4 0 th read stan do ff 3 /8" X1 1 7 2 00 K -ND, Mfg .

  • Page 37: Pcb 156D - Polarity Control Board (-Pn Units Only)

    PCB 156D - POLARITY CONTROL BOARD (-PN UNITS ONLY) R2 8 R2 3 "UV - ON " IS HIG H IF: 1) "U V+ HIG H" IS L O W, AN D +1 5V 2) "POL " IS L OW . R1 9 R1 2 0.1 uF...

  • Page 38: Pcb 104G - Keypad / Display Board

    PCB 104G - KEYPAD / DISPLAY BOARD...

  • Page 39: Main Wiring

    MAIN WIRING...

  • Page 40: Performance Check Sheet

    PERFORMANCE CHECK SHEET...

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