Tournament-shaped magnetically coupled power-combiner architecture for RF CMOS power amplifier

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A tournament-shaped magnetically coupled powercombiner architecture for a fully integrated RF CMOS power amplifier is proposed. Various 1 : I transmission line transformers are used to design the power combiner. To demonstrate the new architecture, a 1.81-GHz CMOS power amplifier using the tournament-shaped power combiner was implemented with a 0.18-mu m RF CMOS process. All of the matching components, including the input and output transformer, were fully integrated. The amplifier achieved a drain efficiency of 38 % at the maximum output power of 31.7 dBm.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2007-10
Language
English
Article Type
Article
Keywords

DISTRIBUTED ACTIVE-TRANSFORMER; DESIGN; BALUN

Citation

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, v.55, no.10, pp.2034 - 2042

ISSN
0018-9480
DOI
10.1109/TMTT.2007.905482
URI
http://hdl.handle.net/10203/92439
Appears in Collection
EE-Journal Papers(저널논문)
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