Fully integrated 1.9-GHz CMOS power amplifier for polar transmitter applications

A 1.9-GHz CMOS differential power amplifier for polar transmitter applications was implemented with a 0.25 mu m RF CMOS process. All of the matching components, input transformer, and output transformer are fully integrated with 50 Omega input and output matching. Each power transistor in each differential branch is split again and controlled separately to obtain a high power mode and a low power mode. The amplifier achieved a drain efficiency of 32% at the maximum output power of 29.5 dBm. The dynamic range is measured at approximately 275 dB with a supply voltage range of 0.7 similar to 3.3 V. (C) 2006 Wiley Periodicals, Inc.
Publisher
JOHN WILEY SONS INC
Issue Date
2006-10
Language
ENG
Citation

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.48, no.10, pp.2053 - 2056

ISSN
0895-2477
DOI
10.1002/mop.21854
URI
http://hdl.handle.net/10203/4049
Appears in Collection
EE-Journal Papers(저널논문)
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