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A reduced-size branch-line coupler for improved LDMOS balanced power amplifiers

Draskovic, Drasko and Koulouzis, Helias and Budimir, Djuradj (2009) A reduced-size branch-line coupler for improved LDMOS balanced power amplifiers. Microwave and Optical Technology Letters, 51 (2). pp. 445-448. ISSN 0895-2477

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Official URL: http://dx.doi.org/10.1002/mop.24058

Abstract

This article discusses the application of a reduced-size branch-line coupler in the design of a LDMOS class-AB balanced power amplifier at a center frequency of 2.14 GHz. In the proposed balanced configuration, at center frequency a size reduction, improved intermodulation distortion level by 7 dB, and power added efficiency by 5% are achieved, comparing with the balanced configuration with Wilkinson couplers.

Item Type:Article
Uncontrolled Keywords:LDMOS, Balanced Amplifier, Intermodulation Distortion, Size reduction
Research Community:University of Westminster > Electronics and Computer Science, School of
ID Code:5259
Deposited On:24 Jun 2008 15:37
Last Modified:07 May 2009 10:34

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