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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 AV-112AH-PS
0 to ±200V, 300 kHz
VARIABLE-GAIN
LINEAR AMPLIFIER
SERIAL NUMBER: ____________
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Summary of Contents for AVTECH ELECTROSYSTEMS AV-112AH-PS
- Page 1 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 AV-112AH-PS 0 to ±200V, 300 kHz VARIABLE-GAIN LINEAR AMPLIFIER SERIAL NUMBER: ____________...
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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 HIGH-VOLTAGE PRECAUTIONS..................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 INSTALLATION......................10 VISUAL CHECK........................10 POWER RATINGS........................10 CONNECTION TO THE POWER SUPPLY................10 PROTECTION FROM ELECTRIC SHOCK................11 ENVIRONMENTAL CONDITIONS..................12 FUSES..........................13... - Page 4 PCB 158R4 - LOW VOLTAGE POWER SUPPLY..............24 PCB 170B - HIGH VOLTAGE DC POWER SUPPLY............25 PCB 94G - ALARM BOARD....................26 MAIN SIGNAL WIRING......................27 PERFORMANCE CHECK SHEET..................28 Manual Reference: /fileserver2/html/manuals/AV-112AH-PS,ed8.odt. Last modified April 9, 2019. Copyright © 2019 Avtech Electrosystems Ltd, All Rights Reserved.
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Page 5: Introduction
0 to ±2V, and has a variable gain of +1 to +100. The maximum output voltage is ±200V. The AV-112AH-PS will drive load impedances of 1.2 kΩ or higher. This instrument is intended for use in research, development, test and calibration laboratories by qualified personnel. -
Page 6: Specifications
SPECIFICATIONS Model: AV-112AH-PS Output amplitude: 0 to ±200 Volts Maximum peak current: 167 mA Maximum average current: 167 mA Output polarity: Bipolar Load impedance: ≥ 1.2 kΩ Output resistance Standard units: ≈ 20 Ω -UHA units: ≈ 0 Ω Bandwidth (f... -
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 Requirements for WEEE compliance may include registration of products with local governments, reporting of recycling activities to local governments, and financing of recycling activities.
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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, and handles. Confirm that a power cord is with the instrument. If the instrument has been damaged, file a claim immediately with the company that transported 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 may be a delay of several seconds before the instrument appears to respond. 2. OVERLOAD Indicator . When the instrument is powered, this indicator is normally green, indicating normal operation. -
Page 16: Rear Panel Controls
REAR PANEL CONTROLS 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. 2. -
Page 17: General Information
The AV-112AH-PS can drive resistive loads with impedances of 1.2 kilohms and higher. At reduced frequencies, the AV-112AH-PS can also drive a capacitive load of up to 10000 pF. The reduced maximum frequencies and increased rise times are outlined in... -
Page 18: Cable Lengths
CABLE LENGTHS The length of cable used to connect the load to the output of the function generator should be less than 3 feet (1 meter), and ideally less than 18 inches (0.5 meters). At longer lengths, the transmission line reflections caused by the cabling will distort the output signal, particularly if the signals with fast rise times are used. -
Page 19: Operational Check
2) Set the signal generator to produce a ±2V, 25 kHz waveform. (The input impedance of the AV-112AH-PS is 1 kΩ). Connect a cable from the SYNC connector of the signal generator to the TRIG input of an oscilloscope. Set the oscilloscope to trigger externally. - Page 20 4) Connect one oscilloscope probe (channel B) to the 1.2 kΩ load. On the oscilloscope, set the channel A vertical scale to 100 V/div, and the horizontal scale to 20 us/div. 5) Set the gain control to minimum (0.0). Turn on the amplifier and the signal generator.
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Page 21: 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 22: 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 23: Wiring Diagrams
WIRING DIAGRAMS WIRING OF AC POWER M ains circuits - haz ardous live . Do not attempt any repairs on this instrument beyond the fuse replacement procedures described in the manual . Contact Av tech if the instrument A3 - BLACK requires serv icing. -
Page 24: Pcb 158R4 - Low Voltage Power Supply
PCB 158R4 - LOW VOLTAGE POWER SUPPLY... -
Page 25: Pcb 170B - High Voltage Dc Power Supply
PCB 170B - HIGH VOLTAGE DC POWER SUPPLY 1 N 4 9 3 7 1 N 4 9 3 7 6 4 0 4 4 5 - 2 6 4 0 4 4 5 - 2 1 N 4 9 3 7 1 N 4 9 3 7 1 0 0 O Y H V W A R N I N G... -
Page 26: Pcb 94G - Alarm Board
PCB 94G - ALARM BOARD RN3B RN3A +1 5V U3 C 2.2 K 2.2 K 1N414 8 +1 5V +1 5V U3 B U3 A LM339 A LM339 A RN4C RN3D 64 045 6-7 RN3C +1 5V LM339 A 2.2 K 2.2 K 2.2 K RN4A... -
Page 27: Main Signal Wiring
MAIN SIGNAL WIRING 1/4 C2 4-N6 0-ME WITH PCB 17 0 USE J 234-ND SPACER 1K, AMP 17 0 DANGER - HIGH VOLTAGE: -2 20V +2 4V 1K THERMISTOR ON APEX CASE CHS GND -15 V +1 5V R7 = 5K, 3266W D2 = NOT USED... -
Page 28: Performance Check Sheet
PERFORMANCE CHECK SHEET...
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