A GaAs power amplifier for 3.3 V CDMA/AMPS dual-mode cellular phones

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For CDMA/AMPS dual-mode cellular phones, a power amplifier operating at 3.3 V has been developed for the first time. It consists of linear GaAs power MESFET's and an output matching circuit which reduces the second and the third harmonics. The amplifier shows an output power of 31.5 dBm and a power-added efficiency of 61% for AMPS mode. The third-order intermodulation distortion and the fifth-order one are measured to be -32 dBc and -45 dBc at an output power of 26 dBm for CDMA mode.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1995
Language
English
Article Type
Article; Proceedings Paper
Citation

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, v.43, no.12, pp.2839 - 2844

ISSN
0018-9480
URI
http://hdl.handle.net/10203/68631
Appears in Collection
RIMS Journal Papers
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