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Accuracy of Noise Figure Measurement Systems Lee Colby Bill Heinz Stanford Park Division April 1988 RF & Microwave Measurement Symposium and Exhibition rliOW HEWLETT ~~ PACKARD www.HPARCHIVE.com ACCURACY OF NOISE FIGURE MEASUREMENT SYSTEMS ( Abstract: This paper describes methods of evaluating the accuracy of noise figure measurement systems for the microwave frequency range. It also discusses a transistor noise figure test, and SSB and DSB testing. Included are actual plots of data taken from typical test systems. In addition, comments are presented for use of programmable impedance equipment which permits generation of noise figure circles for amplifier design work. Author: Lee Colby, R&D Engineer, HP stanford Park Division, Palo Alto, CA. BSEE 1984, San Jose STate University. The author has been with HP since 1960. The majority of that time has