PAE improvement of PCS MMIC power amplifier with a bias control circuit

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A high efficient HBT MMIC power amplifier with a new on-chip bias control circuit was proposed for PCS applications. By adjusting the quiescent current in accordance with the output power levels, the average power usage efficiency of the power amplifier is improved by a factor of 1.4. The bias controlled power amplifier, depending on low (high) output power levels, shows 62(103) mA of quiescent current, 16(28) dBm output power with 7.5(35.4)% of power-added efficiency (PAE), -46(-45) dBc of adjacent-channel power ratio (ACPR), and 23.7(26.9) dB of gain.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2003-04
Language
English
Article Type
Article
Keywords

HIGH-EFFICIENCY; CDMA; LINEARITY

Citation

IEICE TRANSACTIONS ON ELECTRONICS, v.E86C, pp.672 - 675

ISSN
0916-8524
URI
http://hdl.handle.net/10203/12590
Appears in Collection
EE-Journal Papers(저널논문)
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