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Tabor Electronics 9100A User Manual

Single/dual/four-channel, high voltage wideband power amplifier
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Models 9100A, 9200A
SINGLE/DUAL/FOUR-CHANNEL, HIGH VOLTAGE
WIDEBAND POWER AMPLIFIER
Copyright 2006 by Tabor Electronics Ltd. Printed in Israel. All rights reserved. This book or parts thereof may
not be reproduced in any form without written permission of the publisher.

User Manual

and 9400
Publication No. 090126
Tabor Electronics Ltd.
Tabor Electronics Ltd.
P.O. Box 404, Tel Hanan Israel 20302
Tel: +972-4-821-3393, FAX: +972-4-821-3388
PUBLICATION DATE: January 26, 2009

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  • Page 1: User Manual

    P.O. Box 404, Tel Hanan Israel 20302 Tel: +972-4-821-3393, FAX: +972-4-821-3388 PUBLICATION DATE: January 26, 2009 Copyright 2006 by Tabor Electronics Ltd. Printed in Israel. All rights reserved. This book or parts thereof may not be reproduced in any form without written permission of the publisher.

  • Page 2: Proprietary Notice

    This document and the technical data herein disclosed, are proprietary to Tabor Electronics, and shall not, without express written permission of Tabor Electronics, be used, in whole or in part to solicit quotations from a competitive source or used for manufacture by anyone other than Tabor Electronics. The information herein has been developed at private expense,...

  • Page 3: For Your Safety

    FOR YOUR SAFETY Before undertaking any troubleshooting, maintenance or exploratory procedure, read care- fully the WARNINGS and CAUTION notices. This equipment contains voltage hazardous to human life and safety, and is capable of inflicting personal injury. If this instrument is to be powered from the AC line (mains) through an auto- transformer, ensure the common connector is connected to the neutral (earth pole) of the power supply.

  • Page 4: Declaration Of Conformity

    Models 9100A, 9200A and 9400 are built on the same platform and share specifications and features except the 9100A is a single channel version, while the 9200A has two channels and 9400 has four channels. The tests were performed on a typical...

  • Page 5: Table Of Contents

    Introduction and Operating Instructions ......................2-1 What’s in This Chapter ..........................2-1 Introduction ..............................2-1 Conventions Used in this Manual ........................ 2-4 9100A/9200A/9400 Feature Highlights......................2-5 Options................................. 2-5 Manual Changes............................2-5 Specifications............................... 2-5 Front Panel Controls and Indicators ......................2-6 Mains Power Switch and Indicator......................
  • Page 6 Chapter 3 - MAINTENANCE, PERFORMANCE CHECKS and ADJUSTMENTS What’s in This Chapter ............................. 3-1 Performance Checks ............................3-1 Environmental Conditions..........................3-1 Warm-up Period..............................3-2 Recommended Test Equipment ........................3-2 Test Procedures ............................... 3-2 Amplifier Gain Accuracy ........................... 3-3 Gain Accuracy Tests ............................ 3-3 Amplifier Bandwidth ............................
  • Page 7 List of Figures Figure 1-1. Dual Rack Mounting Option ....................1-5 Figure 2-1, Model 9100A – Single channel High Voltage Amplifier ............2-3 Figure 2-2, Model 9200A – Dual channel High Voltage Amplifier ............2-3 Figure 2-3, Model 9400 – Four channel High Voltage Amplifier ............. 2-4 Figure 2-4, Model 9400 –...
  • Page 8 This page intentionally left blank...

  • Page 9: Chapter 1 - Installation Installation

    NOTE This manual is common to Models 9100A, 9200A and Model 9400. All instruments are built on the same platform and share specifications and features except the 9100A is a single channel version, the 9200 has two channels and 9400 has four channels.

  • Page 10: Operating Environment

    9100A/9200A/9400 CAUTION For maximum safety, do not touch the product, test cables, or any other instrument parts while power is applied to the circuit under test. ALWAYS remove power from the entire test system before connecting cables or jumpers. Do not touch any...

  • Page 11: Power Requirements

    9100A/9200A/9400 The 9400 operates from one of the following nominal sources: Power 100V, 115V, or 230V ac. Voltage selection is done using the rear- Requirements panel power line selector switch. The instrument operates over the power mains frequency range of 47 to 63 Hz. Always verify that the operating power mains voltage is the same as that specified on the rear panel voltage selector switch.

  • Page 12: Abnormal Conditions

    9100A/9200A/9400 Operate the 9400 only as intended by the manufacturer. If you Abnormal suspect the product has been impaired, remove the power cord Conditions and secure against any unintended operation. The 9400 protection is likely to be impaired if, for example, the instrument fails to perform the intended operation or shows visible damage.

  • Page 13: Preparation For Use

    9100A/9200A/9400 Preparation for use includes removing the instrument from the box, Preparation for the bag and installing the 9400 either on the bench or in a 19” rack. Chapter 2 of the manual contains operating instructions. Make sure you read and understand the instructions in Chapter 2 before turning on the device.

  • Page 14: Figure 1-1. Dual Rack Mounting Option

    9100A/9200A/9400 Figure 1-1, Dual Rack Mounting Option 1-6 Installation...

  • Page 15: Introduction And Operating Instructions

    Introduction and Operating Instructions What’s in This This chapter contains general and functional description of the Models 9100A, 9200A and 9400 – high voltage, wideband amplifier Chapter series. It also describes the front and rear panel connectors, operational modes and all features available with the instruments.
  • Page 16 9100A/9200A/9400 Four Channels Each channel can output signals from -200 V to +200 V with continuous currents up to 50 mA. The output has a fixed gain of x50 and its output signal is driven from a 0.1 Ω source impedance.
  • Page 17 9100A/9200A/9400 Figure 2-1, Model 9100A – Single-channel High Voltage Power Amplifier Figure 2-2, Model 9200A – Dual-channel High Voltage Power Amplifier Introduction and Operating Instructions 2-3...

  • Page 18: Conventions Used In This Manual

    9100A/9200A/9400 Figure 2-3, Model 9400 – Four-channel High Voltage Power Amplifier The following symbols may appear in this manual: Conventions Used in this NOTE Manual A Note symbol contains information relating to the use of this product CAUTION A Caution symbol contains information that should be followed to...

  • Page 19: 9100A/9200A/9400 Feature Highlights

    • -200 to +200 V (400 Vp-p) • Output current up to 50 mA per channel (100 mA per channel in 9200A and 150 mA in 9100A) • Full power bandwidth from DC to >500 kHz • Special unipolar mode for MEMS engine drivers •...

  • Page 20: Front Panel Controls And Indicators

    9100A/9200A/9400 Front Panel There are a few controls and indicators on the front panel. These control and indicate the status of the Mains power and of the high Controls and voltage output status. These controls are described in the following.

  • Page 21: Inputs

    9100A/9200A/9400 connectors except when connecting the outputs to the device under test. The input connector accepts signals within the range of DC to over Inputs 500 kHz and amplifies them by a fixed gain of x50. Input impedance is 1MΩ.

  • Page 22: Mains Input Receptacle

    9100A/9200A/9400 the line voltage. Unipolar mode selector and output monitor Controls and connectors are also available on the rear panel. Information on the Connectors various controls and connectors on the rear panel is given in the following. Refer to Figure 2-4 throughout the following description.

  • Page 23: Mains Fuse

    9100A/9200A/9400 If specified at the time of purchase, the instrument will be supplied with the switch set to the required voltage level however, it is always considered good practice to check the setting before connecting the instrument to the wall socket.

  • Page 24: Basic Operating Instructions

    9100A/9200A/9400 floated signal ground. Always bear in mind the following warning: WARNING Input and output grounds are tied together and therefore, it is absolutely forbidden to connect the output ground to a different level than the input ground. Failure to adhere to this limitation may damage the 9400 and the surrounding equipments, that are connected to its I/O connectors.

  • Page 25: Operating Modes

    9100A/9200A/9400 connectors 8. Using standard BNC to BNC cables (not supplied with the instrument), connect the terminals to your load 9. (Optional step) Using standard BNC to BNC cables (not supplied with the instrument), connect the rear panel output monitors to a sensing device. Sensing device could be such...

  • Page 26: Selecting An Operating Modes

    9100A/9200A/9400 The 9400 operating mode is selected using a rear panel switch, Selecting an which is labeled as UNIPOLAR MODE. Normal (bipolar) operating Operating Modes mode is selected in the out position and unipolar mode is selected when the switch is pushed in.

  • Page 27: Figure 2-6, Amplified Unipolar Sine Waveform

    9100A/9200A/9400 CH1 Output CH2 Output Figure 2-6, Amplified Unipolar Sine Waveform Introduction and Operating Instructions 2-13...
  • Page 28 9100A/9200A/9400 This page was intentionally left blank 2-14 Introduction and Operating Instructions...

  • Page 29: What's In This Chapter

    What’s in This Model 9400 – four-channel, wideband power amplifier. If you Chapter purchased the Models 9100A or 9200A, please ignore all references to the third and forth channels. WARNING The procedures described in this section are for use only by qualified service personnel.

  • Page 30: Environmental Conditions

    9100A/9200A/9400 Tests should be performed under laboratory conditions having an Environmental ambient temperature of 25°C, ±5°C and at relative humidity of less Conditions than 80%. If the instrument has been subjected to conditions outside these ranges, allow at least one additional hour for the instrument to stabilize before beginning the adjustment procedure.
  • Page 31 9100A/9200A/9400 WARNING The output connectors of the Model 9400 produce voltages up to 400Vp-p. The procedures described in this section are for use only by trained and qualified service personnel. Many of the steps covered in this section may expose the...

  • Page 32: Amplifier Gain Accuracy

    9100A/9200A/9400 Amplifier gain accuracy checks the gain accuracy of the power Amplifier Gain amplifier. Each channel has its own power amplifier and therefore, the Accuracy accuracy is tested on each channel separately. Equipment: DMM, Arbitrary Waveform Generator, Load Resistance, Gain Accuracy Tests 50Ω...

  • Page 33: Bandwidth, Small Signals

    9100A/9200A/9400 Preparation: 1. Configure the Oscilloscope as follows: 200 μs/div Time Base: Amplitude: 50 V/div 2. Connect the 9400 Channel 1 output to the load resistance 3. Connect the x100 high voltage probe across the load resistance 4. Configure the Waveform Generator as follows:...

  • Page 34: Amplifier Pulse Response

    9100A/9200A/9400 2. Perform bandwidth, small signals tests on channel 1 output using Table 3-4 3. Use the same procedure to check channels 2, 3 and 4 Table 3-4, Output Bandwidth, Small Signals Tests Arb Frequency Oscilloscope Reading Setting Error Limits...

  • Page 35: Overshoot Tests

    9100A/9200A/9400 Equipment: Oscilloscope, Arbitrary Waveform Generator, Load Overshoot Tests Resistance, x100 high voltage probe, 50Ω feedthrough terminator Preparation: 1. Configure the Oscilloscope as follows: Time Base: 500ns Amplitude: 100 V/div 2. Connect the 9400 Channel 1 output to the load resistance 3.

  • Page 36: Table 3-7, Distortion Tests

    9100A/9200A/9400 Frequency: As required for the tests 5. Connect the waveform generator to Channel 1 input. Terminate the waveform generator using the 50Ω feedthrough terminator at the 9400 input Test Procedure 1. Perform Aberrations tests on channel 1 output using Table 3-7 2.

  • Page 37: Table 3-8, Monitor Outputs Gain Accuracy Tests

    9100A/9200A/9400 Table 3-8, Monitor Outputs Gain Accuracy Tests Arb Amplitude DMM Reading Setting Error Limits Pass Fail 350 mV, ±3 mV 710 mV, ±70 mV 1.06 V, ±100 mV 1.41 V, ±140 mV Equipment: Oscilloscope, Arbitrary Waveform Generator, 50Ω Bandwidth Tests...
  • Page 38 9100A/9200A/9400 Amplitude: 1 V/div 2. Connect the 9400 Channel 1 output monitor to the Oscilloscope input. 3. Configure the Waveform Generator as follows: Amplitude: Function: Square wave Output: Frequency: 50 kHz 4. Connect the waveform generator to Channel 1 input. Terminate the waveform generator using the 50Ω...
  • Page 39 9100A/9200A/9400 Table 3-11, Output Monitor Distortion Tests Arb Frequency Distortion Meter Reading Setting Error Limits Pass Fail 1 kHz <0.08% 50 kHz <0.08% 100 kHz <0.15% 200 kHz <0.65% The unipolar mode is used for generating half wave unipolar sine Unipolar Mode signals for applications such as actuating MEMS micro engines.
  • Page 40 9100A/9200A/9400 Equipment: DMM, Arbitrary Waveform Generator, Load Resistance, Gain Accuracy Tests 50Ω feedthrough terminator Preparation: 1. Configure the DMM as follows: Function: Range: 200V 2. Connect the 9400 Channel 1 output to the DMM input. Attach the load resistance at the input terminals of the DMM 3.
  • Page 41 9100A/9200A/9400 Table 3-13, Unipolar Mode Output Bandwidth, Large Signals Tests Arb Frequency Oscilloscope Reading Setting Error Limits Pass Fail 1 kHz 6 Divisions 100 kHz 6 ±0.5 Divisions 200 kHz 6 ±1 Divisions Maintenance and Performance Checks 3-13...

  • Page 42: Adjustments Procedure

    9100A/9200A/9400 Adjustments Procedure WARNING The procedures described in this section are for use only by qualified service personnel. Many of the steps covered in this section may expose the individual to potentially lethal voltages that could result in personal injury or death...

  • Page 43: Required Equipment

    9100A/9200A/9400 Recommended equipment for calibration is listed in Table 3-1. Required Instruments other than those listed may be used only if their Equipment specifications equal or exceed the required minimal characteristics. Also listed below are accessories required for calibration. Proper calibration depends on healthy functionality of the 9400. These...

  • Page 44: Bandwidth Adjustment

    9100A/9200A/9400 Function: Range: 200 V 2. Connect the 9400 Channel 1 (then 2, 3 and 4) output to the DMM input. Terminate the signal with the load resistance at the DMM input 3. Configure the waveform generator as follows: Waveform:...
  • Page 45 9100A/9200A/9400 Bandwidth Equipment: Waveform Generator, Oscilloscope, x100 high voltage Adjustment, Monitor probe, Load Resistance, 50Ω feedthrough terminator Outputs Preparation (use the same procedure for channels 1 through 4): 1. Configure the oscilloscope as follows: Time Base: 50 ns/div Amplitude: 10 V initially, then use variable mode to adjust to 6 vertical divisions 2.
  • Page 46 9100A/9200A/9400 Maintenance and Performance Checks 3-18...

  • Page 47: Appendix A - Specifications

    Appendix A 9100A/9200A/9400 SPECIFICATIONS Configuration Amplifier Channels 9100 One single-ended output, bipolar voltage span; 9200 4 separate inputs and four single-ended outputs, bipolar voltage span; 1 input, having two output channels with 180° phase offset, unipolar voltage span 9400 2 separate inputs and two single-ended outputs, bipolar voltage span;...
  • Page 48 Output Monitor Characteristics Connectors BNC (rear panel) Source Impedance 3 kΩ Load impedance 1 MΩ ±10% Ratio 100:1, General Physical Size 2U, half-rack size Power Requirements 100V/115V/230V, 47 to 63 Hz, <150 VA; <120W Weight: Approximately 14 lbs (6.5 kg) Signal Ground Connected to case ground EMC Certification...

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