NDLI: Novel dual-band matching network topology and its application for the design of dual-band Class J power amplifiers

Content Provider	IEEE Xplore Digital Library
Author	Xin Fu Bespalko, Dylan T. Boumaiza, Slim
Copyright Year	2012
Description	Author affiliation: Emerging Radio Systems Group, University of Waterloo, Ontario, N2L 3G1, Canada (Xin Fu; Bespalko, Dylan T.; Boumaiza, Slim)
Abstract	In this paper, a systematic design of a dual-band power amplifier (PA) is presented. Using the inherent impedance matching flexibility of a Class J operating mode, we can start by relaxing the performance sensitivity and design requirements of the matching networks. Then, a novel dual-band matching network topology is devised to simultaneously present adequate source and load impedances at the fundamental and harmonic components of both targeted operating frequencies. The dual-band matching network is designed in two stages. First, a complex-to-real impedance transformation network, with harmonic control capability, is used to transform the complex impedance for class J operation to real impedance that is common to both operation frequencies. Then, a real-to-real trans-impedance transformer is synthesized using dual-band filter theory. This technique was successfully applied to design a dual-band 45W GaN Class J PA operating at 0.8GHz and 1.9GHz. The measurement results of the fabricated PA shows peak efficiencies of 74.4% at the lower band and 57.6% at the upper band.
Starting Page	1
Ending Page	3
File Size	884535
Page Count	3
File Format	PDF
ISBN	9781467310857
ISSN	0149645X
e-ISBN	9781467310888
e-ISBN	9781467310864
DOI	10.1109/MWSYM.2012.6259644
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-17
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dual band Impedance Power harmonic filters Manganese Harmonic analysis Power amplifiers Filtering theory impedance matching Class J dual-band filters dual-band power amplifiers high efficiency
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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