DocumentCode :
476573
Title :
Global stability analysis and stabilization of power amplifiers
Author :
Suarez, Almudena ; Jeon, Sanggeun ; Rutledge, David
Author_Institution :
Dept. Ing. de Comun., Univ. of Cantabria, Cantabria
fYear :
2008
fDate :
19-21 May 2008
Firstpage :
1
Lastpage :
4
Abstract :
Power amplifiers often exhibit undesired behavior from certain input power value which cannot be predicted with a small-signal stability analysis. Among the commonly observed undesired phenomena are spurious oscillations, frequency divisions, hysteresis or chaos. In this contribution, simulation tools are presented, enabling an in-depth study of the origin and characteristics of these phenomena. The developed global stability analysis and stabilization tools have allowed an efficient suppression of the undesired behavior in a switching-mode power amplifier, with minimum degradation of the amplifier performance, in terms of drain efficiency and output power.
Keywords :
power amplifiers; switched mode power supplies; drain efficiency; frequency divisions; global stability analysis; power amplifier stabilization; small-signal stability analysis; spurious oscillations; switching-mode power amplifier; Bifurcation; Chaos; Circuit stability; Frequency conversion; Power amplifiers; Power generation; Stability analysis; Stability criteria; Transfer functions; Voltage;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Microwaves, Radar and Wireless Communications, 2008. MIKON 2008. 17th International Conference on
Conference_Location :
Wroclaw
Print_ISBN :
978-83-906662-8-0
Type :
conf
Filename :
4630228
Link To Document :
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