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Design and Computer Simulation of High Efficiency Broadband Parallel-Circuit Class E RF Power Amplifier with Reactance Compensation Technique

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Publication date2008
Host publication2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4
Place of PublicationNEW YORK
PublisherIEEE
Pages77-80
Number of pages4
ISBN (Print)978-1-4244-1780-3
<mark>Original language</mark>English

Conference

Conference2008 IEEE MTT-S International Microwave Symposium Digest
CityAtlanta
Period15/06/0820/06/08

Conference

Conference2008 IEEE MTT-S International Microwave Symposium Digest
CityAtlanta
Period15/06/0820/06/08

Abstract

Class E amplifier offers high efficiency aproaching 100% for an ideal case. This paper introduces a first practical implementation of a broadband Class E design combining a parallel circuit load network with reactance compensation technique. The novel broadband class E parallel circuit with reactance compensation has been investigated theoretically and experimentally. An efficient method of simulation technique using Harmonic Balance to predict the class E performance is presented as well. In measurement level, the drain efficiency of 74 % at operating power of 8 W and power flatness of 0.7 dB are achieved across bandwidth of 135 to 175 MHz with supply voltage of 7.2 V. Simulations were verified by measurements and good agreement was obtained.