Title :
A reconfigurable RF power amplifier biasing scheme
Author :
Deltimple, Nathalie ; Kerhervé, Eric ; Deval, Yam ; Jarry, Pierre
Author_Institution :
IXL Lab., Bordeaux I Univ., Talence, France
Abstract :
A reconfigurable power amplifier (PA) is studied in this paper, dedicated to multi-mode, multi-standard radio frequency front-end (RFFE), from a low cost approach. The reconfigurable amplifier topology is presented, made up of two-stages independently controllable by the biasing scheme proposed which allows the dynamic modification of the quiescent current of the RF transistor, to adapt both its linearity and its output power in order to fulfill different standards specifications.
Keywords :
3G mobile communication; cellular radio; network topology; power amplifiers; radiofrequency amplifiers; reconfigurable architectures; transceivers; RF transistor; controllable biasing scheme; multimode radiofrequency front end; multistandard radiofrequency front end; quiescent current; reconfigurable RF power amplifier; reconfigurable amplifier topology; transceivers; 3G mobile communication; Circuits; Costs; GSM; Linearity; Power amplifiers; Power generation; Radio frequency; Radiofrequency amplifiers; Standards development;
Conference_Titel :
Circuits and Systems, 2004. NEWCAS 2004. The 2nd Annual IEEE Northeast Workshop on
Print_ISBN :
0-7803-8322-2
DOI :
10.1109/NEWCAS.2004.1359108
