Tabor Electronics 9260, User Manual

Page 1: ...Ltd Tabor Electronics Ltd P O Box 404 Tel Hanan Israel 20302 Tel 972 4 821 3393 FAX 972 4 821 3388 PUBLICATION DATE March 1 2016 Copyright 2003 by Tabor Electronics Ltd Printed in Israel All rights r...

Page 2: ...of or in any way connected with the manufacture sale handling re pair maintenance replacement or use of said products Representations and warranties made by any person including dealers and represent...

Page 3: ...sion cord or a three prong two prong adapter This will defeat the pro tective feature of the third conductor in the power cord Maintenance and calibration procedures sometimes call for operation of th...

Page 4: ...Low Voltage Directive 73 23 EEC amended by 93 68 EEC Compliance was demonstrated to the following specifications as listed in the official Journal of the European Communities Safety IEC EN 61010 1 2n...

Page 5: ...dicators 1 6 Rear Panel Parts and Connectors 1 6 Operating 1 8 Instructions 1 8 Chapter 2 INSTALLATION Installation Overview 2 1 Unpacking and Initial Inspection 2 1 Safety Precautions 2 1 Performance...

Page 6: ...Environmental Conditions 3 4 Recommended Test Equipment 3 4 Gain Accuracy Tests 3 5 Amplifier Bandwidth 3 6 Amplitude Accuracy 3 6 Amplifier Pulse Response 3 7 Pulse Response Checks 3 7 Auxiliary Inp...

Page 7: ...nel 1 Input Impedance 2 7 List of Tables 2 1 Input Impedance Jumpers 2 7 2 2 Input coupling Jumpers 2 8 2 3 Output coupling Jumpers 2 8 3 1 Recommended Test Equipment 3 5 3 2 Gain Accuracy Tests 3 6 3...

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Page 9: ...uts for each channel 1 Main input This input is located on the front panel and is normally used for signal inputs 2 Auxiliary input This input is located on the rear panel and can be used as a summing...

Page 10: ...are accessible from the rear panel only 9260 Feature Highlights Bench top all metal case Large signal bandwidth to 30 MHz Small signal bandwidth to 45 MHz High amplitude to 34Vp p high impedance Peak...

Page 11: ...d no instructions how to modify the amplifier for other configurations as any configuration change without full engineering supervision may affect the performance of the amplifier Below you ll find a...

Page 12: ...e marked OUTPUT These connectors are described below Channel 1 Input The input connector accepts signals within the range of DC to over 35 MHz and amplifies them by a fixed gain The gain is normally x...

Page 13: ...l 1 Output The channel 1 output connector outputs amplified signals When the 9260 is configured as two separate amplifiers this output connector generates amplified signals that are applied to the cha...

Page 14: ...ntial ON When this light is on channel 2 input is disabled and signal applied to the channel 1 input is routed to both channel 1 and channel 2 outputs except the signal is now differential The differe...

Page 15: ...erve the positive and negative rail limitations as specified in Appendix A to avoid damaging the amplifier circuits With normal configuration this input is used for driving the front panel output for...

Page 16: ...lowing warning WARNING Input and output grounds are tied together to case ground and therefore it is absolutely forbidden to connect the output ground to a different level than the input ground Failur...

Page 17: ...ing slip to determine that the shipment is complete Safety Precautions The following safety precautions should be observed before using this product Although some instruments and accessories would nor...

Page 18: ...ep your hands dry while handling the instrument When using test fixtures keep the lid closed while power is applied to the device under test Carefully read the Safety Precautions instructions that are...

Page 19: ...s are taken to limit transient voltages to an appropriately low level Pollution Degree 2 refers to an operating environment where normally only dry non conductive pollution occurs Occasionally a tempo...

Page 20: ...shipped to a service center proceed as directed below If repacking procedures are not clear to you or if you have questions contact your nearest Tabor Electronics Representative or the Tabor Electron...

Page 21: ...red with different input impedance values such as 75 and 1M The 1M is recommended for low frequency operation only as the high input impedance degrades the frequency response of the amplifier Appendix...

Page 22: ...both sides of the cover Identify and remove these screws Use Philips screwdriver only to remove the screws Hold the cover from both sides and pull upwards until the top is clear of the case sides Onc...

Page 23: ...J31 J16 Table 2 3 Output coupling Jumpers Impedance CH1 CH2 Link J19 J8 Configure Single ended or Differential Outputs The default configuration is single ended If you order the amplifier with differe...

Page 24: ...User Manual 9260 2 8 Portrayal This page was intentionally left blank...

Page 25: ...AFE WORKSTATION Disassembly Instructions If it is necessary to troubleshoot the instrument or replace a component use the following procedure to remove the side panels 1 Using a Phillips head screwdri...

Page 26: ...s specially designed to prevent static build up Typically these parts are received in static protected containers of plas tic or foam Keep these devices in their original containers un til ready for i...

Page 27: ...t of electrical and mechanical parts must be accomplished with great care Printed circuit boards can become warped cracked or burnt from excessive heat or mechanical stress The following repair techni...

Page 28: ...all amount of drifts when first turned on To ensure accuracy turn on the power to the Model 9260 and allow it to warm up for at least 10 minutes before beginning the performance test procedure 9260 Co...

Page 29: ...the instrument must be calibrated or tested to find the source of the problem Gain Accuracy Tests Equipment DMM PM8571A Pulse Waveform Generator Preparation 1 Configure the DMM as follows Function AC...

Page 30: ...utput 3 Connect 9260 Channel outputs to the Oscilloscope input via 50 2W Termination 4 Configure the PM8571A as follows Amplitude 2 V Outputs On Frequency As specified in Table 3 3 Test Procedure 1 Us...

Page 31: ...Configure the Oscilloscope follows Setup As required for the test 2 Connect the 9260 input to the PM8571A output 3 Connect 9260 outputs to the oscilloscope input via 50 2W Termination Configure the PM...

Page 32: ...et 2 Connect the 9260 input to the PM8571A output 3 Connect 9260 Channel outputs to the Oscilloscope input via 50 2W Termination 4 Configure the PM8571A as follows Amplitude 1 V Outputs On Frequency 1...

Page 33: ...iv Amplitude 5 V div Measurement Amplitude Vpp 2 Connect the 9260 input CH1 to the PM8571A CH1output and 9260 Auxiliary Input CH1 to the PM8571A CH2 output 3 Connect 9260 Channel outputs to the Oscill...

Page 34: ...the gain is an issue Gain Adjustments Equipment DMM PM8571A AWG Preparation 5 Configure the DMM as follows Function ACV 6 Connect the PM8571A to the DMM input 7 Configure the PM8571A as follows Wave S...

Page 35: ...Preparation 1 Configure the PM8571A as follows Function Standard Waveform Square Frequency 1MHz Amplitude 2Vpp Output On 2 Connect the 9260 input channel 1 to the PM8571A output 3 Connect the 9260 ou...

Page 36: ...User Manual 9260 3 12 MAINTENANCE PERFORMANCE CHECKS and ADJUSTMENTS This Page was intentionally left blank...

Page 37: ...Impedance 50 Coupling DC Damage Level 12Vp p 6V to 6V peaks Offset Auxiliary Input Characteristics Characteristics Description Connector Rear panel BNC Impedance 10k Coupling DC Damage Level 2V Accur...

Page 38: ...nmental and Maintenance Specifications Power supply Characteristics Description Power Requirements 85V to 265V 47 63Hz 25W Signal Ground Grounded to case ground or Floating EMC Certification CE marked...