Title :
adaptive linearization of a power amplifier based on compression of delta-sigma modulated signals
Author :
Zrilic, Djuro G.
Author_Institution :
Dept. of Eng., New Mexico Highlands Univ., Las Vegas, NM, USA
Abstract :
This paper describes a novel method of adaptive linearization of power amplifier based on mixed mode processing of band-pass delta-sigma pulse stream. Our simulation results have shown significant reduction in spreading of spectra of nonlinear amplifier when adaptive feedback is used.
Keywords :
adaptive signal processing; data compression; delta-sigma modulation; linearisation techniques; power amplifiers; adaptive feedback; adaptive linearization; band-pass delta-sigma pulse stream; delta-sigma modulated signal compression; mixed mode processing; nonlinear amplifier; power amplifier; Delta modulation; Energy consumption; Feedback; High power amplifiers; Power amplifiers; Pulse amplifiers; Pulse compression methods; Pulse modulation; Radio frequency; Voltage; adaptive linearization; band-pass delta-sigma modulator; power amplifier;
Conference_Titel :
Emerging Technologies: Circuits and Systems for 4G Mobile Wireless Communications, 2005. ETW '05. 2005 IEEE 7th CAS Symposium on
Print_ISBN :
5-7422-0895-2
DOI :
10.1109/EMRTW.2005.195679
