Architecture of High-Efficiency Digitally-Controlled Class-E Power Amplifier

Abstract:

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This paper describes the analysis and design of digitally-controlled class-E power amplifiers, which are suitable for fine CMOS implementation. Two methods for implementing digitally-controlled class-E(-like) amplifiers have already been proposed: using NMOS switch arrays or digital PWM. In this paper we analyze the operation and efficiency of these methods, and then we propose combining them to achieve higher efficiency.

Info:

Periodical:

Edited by:

Osamu Hanaizumi, Masafumi Unno and Kenta Miura

Pages:

273-284

DOI:

10.4028/www.scientific.net/KEM.497.273

Citation:

J. N. Ye et al., "Architecture of High-Efficiency Digitally-Controlled Class-E Power Amplifier", Key Engineering Materials, Vol. 497, pp. 273-284, 2012

Online since:

December 2011

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Price:

$35.00

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