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Agilent Technologies 1159A, User Manual

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Agilent Technologies 1159A User Manual Download Page 18

17

1159A 1GHz Active Differential Probe

Safety Considerations

Test Point Layout

Safety Considerations

Read the Safety summary in the warranty pages at the back of this guide before 
servicing the instrument. Before performing any procedure, review the safety 
information for cautions and warnings.

W A R N I N G

Only trained service personnel aware of the hazards involved (for example, fire 
and electric shock) should perform maintenance on the instrument. When 
maintenance can be performed without power applied, the power cord must be 
removed from the instrument.

!

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for 1159A

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 2: ...ety Regulatory and publishing information see the pages at the back of this book Copyright Agilent Technologies 2002 All Rights Reserved 1159A 1GHz Active Differential Probe Artisan Technology Group Q...

Page 3: ...fications and Characteristics 8 To Connect the Probe to the Circuit under Test 12 Recommended Probe Configurations 14 Safety Considerations 17 Service Strategy 18 Calibration Testing Procedures 19 Adj...

Page 4: ...e contents are incomplete or damaged notify your Agilent Sales Office Inspect the instrument If there is mechanical damage or defect or if the probe does not operate properly or pass calibration notif...

Page 5: ...measurements in digital systems without introducing a ground loop as a conventional FET probe would Differential Amplifiers and CMRR The 1159A Differential Probe is a high input impedance amplifier A...

Page 6: ...e Probe Accessories 5 4 6 7 8 2 9 10 1 3 Item Description Qty Part Number 1 AC coupler 1 01154 82101 2 10 1 Attenuator 1 01159 82104 3 20 1 Attenuator 1 01159 82105 4 Header 1 N A 5 Offset Pin 4 N A 6...

Page 7: ...e of the test points is not identical unequal loading will occur This degrades common mode rejection The ground lead length is not usually critical with a differential probe Carefully consider the gro...

Page 8: ...ching External Attenuators to the Probe The external attenuators plug directly on to the probe tip They are calibrated at the factory to provide the optimum common mode rejection and should not be swa...

Page 9: ...coupling obtained by installing an AC coupling adapter Gain Accuracy at 1 kHz 2 Maximum Input Voltage Either input from ground 42 V CMRR at 70 Hz 80dB at 1 MHz 40dB at 100 MHz 25dB at 500 MHz 19dB at...

Page 10: ...cifications section on page 11 and must have been calibrated within the past 12 months in a ambient temperature of 23 5 C Characteristics Probe Bandwidth 3 dB DC to 1 GHz Offset Range 1 6 V Rise Time...

Page 11: ...A 1GHz Active Differential Probe Specifications and Characteristics Typical CMRR versus Frequency Hz Typical Noise Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisan...

Page 12: ...15 000 feet Up to 15 000 meters 50 000 feet Vibration Random vibration 5 to 500 Hz 10 minutes per axis 0 3 grms Random vibration 5 to 500 Hz 10 minutes per axis 2 41 grms Resonantsearch5to500Hz swept...

Page 13: ...o the common mode signal The differential probe measures the potential difference between two locations on a PC board Usually it is not necessary to ground the probe Whether to ground the probe depend...

Page 14: ...d from a common signal at probe tip CMRR 35 6dB Both inputs derived from a common signal via 5cm coupling lead CMRR 35dB Probe coupling leads of different length Positive input 5 3cm Negative input 7...

Page 15: ...onnection AC Adapter Attenuator Use the attenuator shipped with the probe and marked with the same serial number for accurate measurements Do not use the attenuators with other probes 1159A Probe Tip...

Page 16: ...ins with any of the tip adapters SMT Lead You may use SMT leads with any of the tip adapters Offset Pins Rotate to Adjust Spacing SMT Leads Ground Maintain Equal Length Ground Lead Opt Solder Leads to...

Page 17: ...the tip adapters Grabbers Using grabbers and wire leads results in significant lead length Expect measurement quality degradation with fast signals Connect Leads to Test Points Ground Opt 0 5 mm or 0...

Page 18: ...g any procedure review the safety information for cautions and warnings WARN ING Only trained service personnel aware of the hazards involved for example fire and electric shock should perform mainten...

Page 19: ...ed or failure indications 2 Return the following accessories with the probe Attenuators AC coupling adapter Retain all other accessories 3 Return the probe in its case or pack the probe in foam or oth...

Page 20: ...oduction section on page 27 Test Equipment Required Preliminary Procedure 1 Turn on the oscilloscope the 1159A and the other test equipment Allow 30 minutes for all test equipment to warm up Descripti...

Page 21: ...pecified file names on the C drive of the 54845A or to a floppy disk in drive A Connect the probes to the specified channels before creating and storing the setup files Setup for Differential Mode Ran...

Page 22: ...Delay 0 Sec Setup Acquisition Equivalent time 64 averages Trigger CH4 level 0 V ve edge Setup for CMRR at 1 MHz File Name 1159CAL2 Probe Connected to CH1 1159A Probe Connected to CH4 1161A CH1 Sensit...

Page 23: ...div Timebase Delay 0 Sec Setup Acquisition Equivalent time 64 averages Trigger CH4 0 V ve edge Setup for CMRR at 100 MHz File Name 1159CAL3b Probe Connected to CH1 1159A Probe Connected to CH4 1163A C...

Page 24: ...Delay 0 Sec Setup Acquisition Equivalent time 64 averages Trigger CH4 0 V Setup for CMRR at 500 MHz File Name 1159CAL4b Probe Connected to CH1 1159A Probe Connected to CH4 1163A CH1 Sensitivity 20 mV...

Page 25: ...Sec div Timebase Delay 0 Sec Setup Acquisition Equivalent time 16 averages Trigger CH4 0 V Setup for CMRR at 1 GHz File Name 1159CAL5b Probe Connected to CH1 1159A Probe Connected to CH4 1163A CH1 Sen...

Page 26: ...om the oscilloscope and connect it to the middle BNC source of the calibration test fixture P N 01154 63801 11 Connect the probe under test to channel 1 on the oscilloscope and the other end of the pr...

Page 27: ...equipment as shown in the following diagram 1 Connect the 1159A to CH1 of the oscilloscope 2 Load 1159CAL0 3 Connect the 1161A to the output of the function generator and CH4 of the oscilloscope 4 Se...

Page 28: ...through 1159CAL5b to perform the CMRR tests 1 Set the output of the function generator to 20 Vpp 2 Connect the 1161A probe to the output of the function generator using BNC T The instrument setup is s...

Page 29: ...e 7 Measure the amplitude of the function generator output CH4 Record V1 _____________ 8 Measure the maximum value of CH1 Record V2 _____________ 9 Calculate CMRR 10 Record CMRR in the CMRR at 70 Hz s...

Page 30: ...omaintain a constant temperature 3 Load setup file 1159CAL3a 4 Connect the signal generator to CH1 on the oscilloscope 5 Measure the amplitude of the signal generator output Record V1 _____________ 6...

Page 31: ..._____ 6 Remove the signal generator from CH1 7 Remove the 1159A probe from CH2 and connect it to CH1 8 Select Auto Zero under the probe menu Do not connect the probe tip to the calibration fixture dur...

Page 32: ...e signal generator from CH1 7 Remove the 1159A probe from CH2 and connect it to CH1 8 Select Auto Zero under the probe menu Do not connect the probe tip to the calibration fixture during Auto Zeroing...

Page 33: ...rs for the probe you must adjust them to match the probe Optimizing CMRR for an Attenuator For optimum CMRR when the attenuator is connected to the probe the DC and HF attenuation should be the same f...

Page 34: ...djust the 10 1 or 20 1 attenuators 1 Connect the function generator probe and oscilloscope as shown Connect the active probe input to the function generator output for these tests Connect the active i...

Page 35: ...ation to achieve the best waveform characteristics when you remove the tool 11 Connectthe and probe inputstothe function generator outputwhile the probe ground is connected You can use the calibration...

Page 36: ...o 500 nS div 21 Connect the probe and inputs to the function generator output You can use BNC C on the calibration fixture Connect the probe ground to the function generator ground 22 Set the amplitud...

Page 37: ...ication Temperature _____________________ _______________________________ _______________________________ Test Limit Minimum Results Limit Maximum Accuracy at 1 kHz into 50 input of 54845 A Min Gain 9...

Page 38: ...37 1159A 1GHz Active Differential Probe Calibration Test Record Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 39: ...38 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 40: ...991 IEC 801 2 1991 EN 50082 1 1992 4 kV CD 8 kV AD IEC 801 3 1984 EN 50082 1 1992 3 V m 1kHz 80 AM 27 1000 MHz IEC 801 4 1988 EN 50082 1 1992 0 5 kV Sig Lines 1 kV Power Lines Safety IEC 61010 1 1990...

Page 41: ...EEC including 93 68 EEC and carries the CE marking accordingly European Union Performance Criteria A Pass Normal operation no effect B Pass Temporary degradation self recoverable C Pass Temporary deg...

Page 42: ...power source Whenever it is likely that the ground protection is impaired you must make the instrument inoperative and secure it against any unintended opera tion Service instructions are for trained...

Page 43: ...being changed without notice in future editions Further to the maximum extent permitted by appli cable law Agilent dis claims all warranties either express or implied with regard to this man ual and a...

Page 44: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 45: ...sA Agilent Technologies Printed in the USA Manual Part Number 01159 92001 01159 92001 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 46: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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