On the continuity of high efficiency modes in linear RF power amplifiers

Cripps, Stephen Charles, Tasker, Paul, Clarke, A. L., Lees, Jonathan and Benedikt, Johannes 2009. On the continuity of high efficiency modes in linear RF power amplifiers. IEEE Microwave and Wireless Components Letters 19 (10) , pp. 665-667. 10.1109/LMWC.2009.2029754

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Abstract

A novel formulation for the voltage waveforms in high efficiency linear power amplifiers is described. This formulation demonstrates that a constant optimum efficiency and output power can be obtained over a continuum of solutions by utilizing appropriate harmonic reactive impedance terminations. A specific example is confirmed experimentally. This new formulation has some important implications for the possibility of realizing broadband >10% high efficiency linear RF power amplifiers.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords:	Amplifier modes; Class AB; Class J; high efficiency; load pull
Publisher:	IEEE Microwave Theory and Techniques Society
ISSN:	1531-1309
Last Modified:	04 Jun 2017 02:03
URI:	https://orca.cardiff.ac.uk/id/eprint/8047

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