NDLI: Performance Study of a Class-E Power Amplifier With Tuned Series-Parallel Resonance Network

Content Provider	IEEE Xplore Digital Library
Author	Fei You Songbai He Xiaohong Tang Tao Cao
Copyright Year	1963
Abstract	This paper reports on a modified class-E amplifier with a tuned series-parallel resonance network. This configuration introduces two additional resonance frequencies. The design equations required to determine the optimum operations are analyzed in detail by introducing three additional boundary conditions. compared to the conventional class-E amplifier, the numerical results show that the improvements on load resistance, maximum transistor current, power output capability, and maximum frequency can be obtained by properly selecting the resonance frequencies of the tuned network. Comparisons between simulations and measurements of an experimental circuit of the new configuration are drawn to validate the feasibility. The drain efficiency of 81.77%, power-added efficiency of 79.58%, and output power of 32.71 dBm (1.866 W) at 250 MHz are measured.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	2190
Ending Page	2200
Page Count	11
File Size	1501431
File Format	PDF
ISSN	00189480
Volume Number	56
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power amplifiers Resonance Resonant frequency Equations Boundary conditions Operational amplifiers Circuit simulation Electrical resistance measurement Power generation Power measurement zero voltage switching (ZVS) Class-E power amplifiers (PAs) high efficiency tuned series-parallel resonator
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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