Series 8650A Universal Power Meters - Giga-tronics

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