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Measurement of RF power amplifier AM/AM AM/PM characteristics at constant junction temperature

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2 Author(s)
Q. He ; Mobile Commun. & Signal Process. Group, Victoria Univ. of Technol., Melbourne, Vic., Australia ; M. Faulkner

A new low cost method is presented for measuring the input-output AM/AM and AM/PM characteristics of an RF or microwave power amplifier at constant junction temperature (Tj). A thermal model of a bipolar junction transistor (BJT) RF power device is used to estimate T j during the power sweep of a standard network analyser

Published in:

Electronics Letters  (Volume:36 ,  Issue: 3 )