Title :
Analogue Adaptive Feedback Lineariser
Author :
Bertran, Eduard ; Berenguer, Jordi
Author_Institution :
Universitat Politecnica de Catalunya, UPC., Department of Signal Theory and Communications, C/ Jordi Girona, 1-3. Modul D-4. 08034 -Barcelona. Spain. phone: + 34934017074, fax: + 34 934017200, email: bertran@tsc.upc.es
Abstract :
A solid-state power amplifier (SSP A) linearisation technique based on the analogue implementation of the LMS algorithm is here presented. This technique leads to a linearisation scheme next to an hyperstable adaptive system, thus being suitable for the compensation of SSPA parameter variations. The lineariser is experimented on a class-A power amplifier backed-off by 3 dB.
Keywords :
Adaptive control; Adaptive systems; Circuits; Feedback; Least squares approximation; OFDM modulation; Power amplifiers; Programmable control; Signal processing algorithms; Transversal filters;
Conference_Titel :
Microwave Conference, 2003 33rd European
Conference_Location :
Munich, Germany
Print_ISBN :
1-58053-834-7
DOI :
10.1109/EUMA.2003.340936
