Series 8650A Universal Power Meters - Giga-tronics

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Preparation for ReshipmentFollow these instructions if it is necessary to return the product to the factory.To protect the instrument during reshipment, use the best packaging materials available. If possibleuse the original shipping container. If this is not possible, a strong carton or a wooden box should beused. Wrap the instrument in heavy paper or plastic before placing it in the shipping container.Completely fill the areas on all sides of the instrument with packaging material. Take extraprecautions to protect the front and rear panels.Seal the package with strong tape or metal bands. Mark the outside of the package “FRAGILE —DELICATE INSTRUMENT”. If corresponding with the factory or local Giga-tronics salesoffice regarding reshipment, please reference the full model number and serial number. If theinstrument is being reshipped for repair, enclose all available pertinent data regarding the problemthat has been found.☛NOTE: If you are returning an instrument to Giga-tronics for service, first contactGiga-tronics Customer Service at 800.444.2878 or Fax at 925.328.4702 so that a returnauthorization number can be assigned. You can also contact Customer Service via oure-mail address repairs@gigatronics.com.
Table of ContentsAbout This Manual ....................................................................................................... vConventions ............................................................................................................... viiRecord of Manual Changes .......................................................................................... ix1Specifications1.1 Introduction ..................................................................................................1-11.1.1 Environmental Requirements ........................................................1-11.2 Safety Precautions ........................................................................................1-11.3 8650A Universal Power Meter Specifications ................................................1-22Adjustments & Performance Tests2.1 Introduction ..................................................................................................2-12.2 Calibration Procedure ....................................................................................2-12.2.1 Equipment Requirements .............................................................2-12.2.2 Calibrator Output Power ...............................................................2-12.2.3 1 mW Reference Output Adjustment ............................................2-12.2.4 Display Brightness Adjustment .....................................................2-32.3 Performance Verification Tests ......................................................................2-42.3.1 Equipment Requirement ...............................................................2-42.3.2 Calibrator Performance and Output Power Reference Level ..........2-52.3.2.1 Calibrator Output Power Reference Level .................... 2-52.3.2.2 Maximum Output Power ............................................ 2-72.3.2.3 Calibrator Attenuator Test........................................... 2-82.3.2.4 Return Loss................................................................. 2-82.3.2.5 Calibrator Frequency Check......................................... 2-92.3.3 GPIB Port Check .........................................................................2-122.3.4 Instrument Plus Power Sensor Linearity .....................................2-133Theory of Operation3.1 8650A Power Meter Theory of Operation ......................................................3-13.1.1 General Theory .............................................................................3-13.1.2 Analog Section Operation .............................................................3-23.1.3 Digital Section Operation ..............................................................3-23.1.4 Calibrator Operation .....................................................................3-33.1.5 Setting the Calibrator Level ...........................................................3-43.1.6 Calibrating the Sensor/Meter Combination ....................................3-4Manual 32089, Rev. A, December 2000i
Page 2 and 3: All technical data and specificatio
Page 6 and 7: Series 8650A Universal Power Meters
Page 33 and 34: Adjustments & Performance Tests2.3.
Page 35 and 36: Adjustments & Performance Tests2.4
Page 37 and 38: Adjustments & Performance Tests2.5.
Page 39 and 40: 3Theory of Operation13.1 8650A Powe
Page 41 and 42: Theory of Operation3.1.4 Calibrator
Page 43 and 44: 4Replaceable Parts4.1 8650A Replace
Page 45 and 46: 5Troubleshooting5.1 8650A Fault Iso
Page 47 and 48: TroubleshootingSensor will notcalib
Page 49 and 50: TroubleshootingCrest factor errorsN
Page 51 and 52: TroubleshootingNotes:1. The instrum
Page 53 and 54: Troubleshooting5.2.3 Calibrator1. U
Page 55:
IndexSeries 8650A Universal Power M
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Series 8650A Universal Power Meters - Giga-tronics

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