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Title Highly linear and efficient AlGaAs/GaAs HBT power amplifier with integrated linearizer
 
Names MRUNAL, AK
SHIRASGAONKAR, M
PATRIKA, R
Date Issued 2006 (iso8601)
Abstract This paper gives the description of a novel linearization technique using schottky diode as an active linearizer thereby improving the gain compression and reducing nonlinear phase distortion in AlGaAs/GaAs heterojunction bipolar transistor (HBT). This leads to highly linear and efficient amplification of the QPSK, OFDM. A two stage power amplifier using AlGaAs/GaAs HBT process exhibits an output power (@PldB) of 25dBm and power added efficiency as high as 43%.
Genre Proceedings Paper
Identifier 2006 IEEE Asia Pacific Conference on Circuits and Systems,1442-1445