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Novel Stabilization Method for Eliminating Oscillation in RF CMOS Nonlinear Power Amplifiers

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3 Author(s)
Chuande Zhi ; Student Member, IEEE, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China; The Second Artillery, Beijing 100085, China ; Huazhong Yang ; Rong Luo

This paper presents a novel stabilization method for eliminating oscillation in RF CMOS nonlinear power amplifiers. By system identification technique, large signal stability information comes out. Then a band-stop feedback network is introduced in the first stage of power amplifier designed for 802.11b application. This two-stage power amplifier implemented with UMC 0.18 um CMOS technology is stabilized by this novel method without the cost of other performance degradation.

Published in:

2006 International Conference on Communications, Circuits and Systems  (Volume:4 )

Date of Conference:

25-28 June 2006