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Tabor Electronics 9100A User Manual

Manual is about: SINGLE/DUAL/FOUR-CHANNEL, HIGH VOLTAGE WIDEBAND POWER AMPLIFIER

Summary of 9100A

  • Page 1

    User manual models 9100a, 9200a and 9400 single/dual/four-channel, high voltage wideband power amplifier 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 copyright 2...

  • Page 2

    Warranty statement products sold by tabor electronics ltd. Are warranted to be free from defects in workmanship or materials. Tabor electronics ltd. Will, at its option, either repair or replace any hardware products which prove to be de- fective during the warranty period. You are a valued customer...

  • 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 ...

  • Page 4

    Declaration of conformity we: tabor electronics ltd. 9 hatasia street, tel hanan israel 36888 declare, that the 400vp-p signal amplifiers models 9100a, 9200a and 9400 meet the intent of directive 89/336/eec for electromagnetic compatibility and complies with the requirements of the low voltage direc...

  • Page 5

    Table of contents chapter 1 – installation installation ........................................................................................................................................................ 1-1 installation overview ....................................................................

  • Page 6

    Ii chapter 3 - maintenance, performance checks and adjustments what’s in this chapter ..................................................................................................................................... 3-1 performance checks ............................................................

  • Page 7

    Iii 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, mo...

  • Page 8

    Iv this page intentionally left blank.

  • Page 9: Chapter 1

    Chapter 1 installation installation overview this chapter contains information and instructions necessary to prepare the 9400 for operation. Details are provided for initial inspection, grounding requirements, repackaging instructions for storage or shipment and installation information. Note this m...

  • Page 10: Operating

    9100a/9200a/9400 1-2 installation 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 object that could...

  • Page 11: Power

    9100a/9200a/9400 installation 1-3 power requirements the 9400 operates from one of the following nominal sources: 100v, 115v, or 230v ac. Voltage selection is done using the rear- panel power line selector switch. The instrument operates over the power mains frequency range of 47 to 63 hz. Always ve...

  • Page 12: Abnormal

    9100a/9200a/9400 1-4 installation operate the 9400 only as intended by the manufacturer. If you suspect the product has been impaired, remove the power cord and secure against any unintended operation. The 9400 protection is likely to be impaired if, for example, the instrument fails to perform the ...

  • Page 13: Preparation For

    9100a/9200a/9400 installation 1-5 preparation for use preparation for use includes removing the instrument from the box, 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 i...

  • Page 14

    9100a/9200a/9400 1-6 installation figure 1-1, dual rack mounting option.

  • Page 15: Chapter 2

    Chapter 2 introduction and operating instructions what’s in this chapter this chapter contains general and functional description of the models 9100a, 9200a and 9400 – high voltage, wideband amplifier series. It also describes the front and rear panel connectors, operational modes and all features a...

  • Page 16

    9100a/9200a/9400 2-2 introduction and operating instructions 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. Normal loads are expected to be of ...

  • Page 17

    9100a/9200a/9400 introduction and operating instructions 2-3 figure 2-1, model 9100a – single-channel high voltage power amplifier figure 2-2, model 9200a – dual-channel high voltage power amplifier.

  • Page 18: Conventions

    9100a/9200a/9400 2-4 introduction and operating instructions figure 2-3, model 9400 – four-channel high voltage power amplifier conventions used in this manual the following symbols may appear in this manual: note a note symbol contains information relating to the use of this product caution a cauti...

  • Page 19: 9100A/9200A/9400

    9100a/9200a/9400 introduction and operating instructions 2-5 9100a/9200a/9400 feature highlights • single, dual or four independent channels • precise signal amplification for multiple applications • -200 to +200 v (400 vp-p) • output current up to 50 ma per channel (100 ma per channel in 9200a and ...

  • Page 20: Front Panel

    9100a/9200a/9400 2-6 introduction and operating instructions front panel controls and indicators 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 voltage output status. These controls are described in the following. ...

  • Page 21: Inputs

    9100a/9200a/9400 introduction and operating instructions 2-7 connectors except when connecting the outputs to the device under test. The input connector accepts signals within the range of dc to over 500 khz and amplifies them by a fixed gain of x50. Input impedance is 1m Ω. Note that the amplifier ...

  • Page 22: Controls and

    9100a/9200a/9400 2-8 introduction and operating instructions controls and connectors the line voltage. Unipolar mode selector and output monitor connectors are also available on the rear panel. Information on the various controls and connectors on the rear panel is given in the following. Refer to f...

  • Page 23: Mains Fuse

    9100a/9200a/9400 introduction and operating instructions 2-9 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

    9100a/9200a/9400 2-10 introduction and operating instructions 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. Failur...

  • Page 25: Operating Modes

    9100a/9200a/9400 introduction and operating instructions 2-11 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 mo...

  • Page 26: Selecting An

    9100a/9200a/9400 2-12 introduction and operating instructions selecting an operating modes the 9400 operating mode is selected using a rear panel switch, which is labeled as unipolar mode. Normal (bipolar) operating mode is selected in the out position and unipolar mode is selected when the switch i...

  • Page 27

    9100a/9200a/9400 introduction and operating instructions 2-13 ch1 output ch2 output figure 2-6, amplified unipolar sine waveform.

  • Page 28

    9100a/9200a/9400 2-14 introduction and operating instructions this page was intentionally left blank.

  • Page 29: Chapter 3

    Chapter 3 performance checks and adjustments what’s in this chapter this chapter provides performance tests necessary to troubleshoot the model 9400 – four-channel, wideband power amplifier. If you purchased the models 9100a or 9200a, please ignore all references to the third and forth channels. War...

  • Page 30: Environmental

    9100a/9200a/9400 maintenance and performance checks 3-2 environmental conditions tests should be performed under laboratory conditions having an ambient temperature of 25 °c, ±5°c and at relative humidity of less than 80%. If the instrument has been subjected to conditions outside these ranges, allo...

  • Page 31

    9100a/9200a/9400 maintenance and performance checks 3-3 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 indiv...

  • Page 32: Amplifier Gain

    9100a/9200a/9400 maintenance and performance checks 3-4 amplifier gain accuracy amplifier gain accuracy checks the gain accuracy of the power amplifier. Each channel has its own power amplifier and therefore, the accuracy is tested on each channel separately. Gain accuracy tests equipment: dmm, arbi...

  • Page 33

    9100a/9200a/9400 maintenance and performance checks 3-5 preparation: 1. Configure the oscilloscope as follows: time base: 200 μs/div 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 wave...

  • Page 34: Amplifier Pulse

    9100a/9200a/9400 maintenance and performance checks 3-6 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 ch1 ch...

  • Page 35: Amplifier

    9100a/9200a/9400 maintenance and performance checks 3-7 overshoot tests equipment: oscilloscope, arbitrary waveform generator, load resistance, x100 high voltage probe, 50 Ω feedthrough terminator preparation: 1. Configure the oscilloscope as follows: time base: 500ns amplitude: 100 v/div 2. Connect...

  • Page 36: Monitor Output

    9100a/9200a/9400 maintenance and performance checks 3-8 frequency: as required for the tests 5. Connect the waveform generator to channel 1 input. Terminate the waveform generator using the 50 Ω feedthrough terminator at the 9400 input test procedure 1. Perform aberrations tests on channel 1 output ...

  • Page 37

    9100a/9200a/9400 maintenance and performance checks 3-9 table 3-8, monitor outputs gain accuracy tests arb amplitude dmm reading setting error limits ch1 ch2 ch3 ch4 pass fail 2 v 350 mv, ±3 mv 4 v 710 mv, ±70 mv 6 v 1.06 v, ±100 mv 8 v 1.41 v, ±140 mv bandwidth tests equipment: oscilloscope, arbitr...

  • Page 38

    9100a/9200a/9400 maintenance and performance checks 3-10 amplitude: 1 v/div 2. Connect the 9400 channel 1 output monitor to the oscilloscope input. 3. Configure the waveform generator as follows: amplitude: 8 v function: square wave output: on frequency: 50 khz 4. Connect the waveform generator to c...

  • Page 39: Unipolar Mode

    9100a/9200a/9400 maintenance and performance checks 3-11 table 3-11, output monitor distortion tests arb frequency distortion meter reading setting error limits ch1 ch2 ch3 ch4 pass fail 1 khz 50 khz 100 khz 200 khz unipolar mode characteristics the unipolar mode is used for generating half wave uni...

  • Page 40

    9100a/9200a/9400 maintenance and performance checks 3-12 gain accuracy tests equipment: dmm, arbitrary waveform generator, load resistance, 50 Ω feedthrough terminator preparation: 1. Configure the dmm as follows: function: acv range: 200v 2. Connect the 9400 channel 1 output to the dmm input. Attac...

  • Page 41

    9100a/9200a/9400 maintenance and performance checks 3-13 table 3-13, unipolar mode output bandwidth, large signals tests arb frequency oscilloscope reading setting error limits ch1 ch2 ch3 ch4 pass fail 1 khz 6 divisions 100 khz 6 ±0.5 divisions 200 khz 6 ±1 divisions.

  • Page 42: Adjustments

    9100a/9200a/9400 maintenance and performance checks 3-14 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 per...

  • Page 43: Required

    9100a/9200a/9400 maintenance and performance checks 3-15 required equipment recommended equipment for calibration is listed in table 3-1. Instruments other than those listed may be used only if their specifications equal or exceed the required minimal characteristics. Also listed below are accessori...

  • Page 44

    9100a/9200a/9400 maintenance and performance checks 3-16 function: acv 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: sine frequency: 1 khz ...

  • Page 45

    9100a/9200a/9400 maintenance and performance checks 3-17 bandwidth adjustment, monitor outputs equipment: waveform generator, oscilloscope, x100 high voltage probe, load resistance, 50 Ω feedthrough terminator preparation (use the same procedure for channels 1 through 4): 1. Configure the oscillosco...

  • Page 46

    9100a/9200a/9400 maintenance and performance checks 3-18.

  • Page 47: Appendix A

    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 separa...

  • Page 48

    Specifications a-2 output monitor characteristics connectors bnc (rear panel) source impedance 3 k Ω load impedance 1 m Ω ratio 100:1, ±10% general physical size 2u, half-rack size power requirements 100v/115v/230v, 47 to 63 hz, weight: approximately 14 lbs (6.5 kg) signal ground connected to case g...