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The Class-E/F Family of ZVS Switching Amplifiers

Kee, Scott D. and Aoki, Ichiro and Hajimiri, Ali and Rutledge, David (2003) The Class-E/F Family of ZVS Switching Amplifiers. IEEE Transactions on Microwave Theory and Techniques, 51 (6). pp. 1677-1690. ISSN 0018-9480. http://resolver.caltech.edu/CaltechAUTHORS:KEEieeetmtt03

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Abstract

A new family of switching amplifiers, each member having some of the features of both class E and inverse F, is introduced. These class-E/F amplifiers have class-E features such as incorporation of the transistor parasitic capacitance into the circuit, exact truly switching time-domain solutions, and allowance for zero-voltage-switching operation. Additionally, some number of harmonics may be tuned in the fashion of inverse class F in order to achieve more desirable voltage and current waveforms for improved performance. Operational waveforms for several implementations are presented, and efficiency estimates are compared to class-E.


Item Type:Article
Additional Information:“©2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.” Manuscript received June 13, 2002. This work was supported by the Jet Propulsion Laboratory, by the Lee Center for Advanced Networking, by the National Science Foundation, by the Army Research Office, and by the Xerox Corporation. The authors would also like to thank K. Potter, California Institute of Technology, Pasadena, and J. Davis, Jet Propulsion Laboratory, Pasadena, CA, for their invaluable advice and assistance, as well as B. Kim, Pohang University of Science and Technology, Pohang, Korea, M. Morgan, National Radio Astronomy Observatory, Charlottesville, VA, H. Hashemi, California Institute of Technology, H. Wu, Axiom Microdevices Inc., Orange, CA, and D. Ham, Harvard University, Cambridge, MA, for the helpful discussions.
Subject Keywords:Class E, class E/F, class F, harmonic tuning, high-efficiency amplifier, switching power amplifier, zero voltage switching (ZVS)
Record Number:CaltechAUTHORS:KEEieeetmtt03
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KEEieeetmtt03
Alternative URL:http://dx.doi.org/10.1109/TMTT.2003.812564
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:440
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:18 Jun 2005
Last Modified:26 Dec 2012 08:40

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