HP 5965-6630E free download

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Agilent Fundamentals of RF and Microwave Power Measurements Application Note 64-1C Classic application note on power measurements Newly revised and updated Table of Contents I. Introduction The importance of power...5 A brief history of power measurement ...6 A history of peak power measurements...7 II. Power Measurement Units and definitions...9 IEEE video pulse standards adapted for microwave pulses...13 Peak power waveform definitions ...14 New power sensors and meters for pulsed and complex modulation...15 Three methods of sensing power ...15 Key power sensor parameters ...16 The hierarchy of power measurement, national standards and traceability ...17 III. Thermistor Sensors and Instrumentation Thermistor sensors ...19 Coaxial thermistor sensors . ...20 Waveguide thermistor sensors ...20 Bridges, from Wheatstone to dual-compensated DC types ...20 Thermistors as power transfer standards...22 Other DC-substitution meters ...22 Some measurement considerations for power sensor comparisons...23 Typical sensor comparison system ...