Title :
A different size transformers and its analysis for power combiner blocks in CMOS technology
Author :
Javidan, Javad ; Atarodi, Mojtaba ; Torkzadeh, Pooya
Author_Institution :
EE Dept., Sharif U. of T., Tehran, Iran
fDate :
June 28 2009-July 1 2009
Abstract :
In this paper, a new power combiner for high power and fully integrated CMOS power amplifier will be presented. Proposed structure is composed of different size transformers with new layout to obtain high efficiency combiner and save the area at the same time. According to two proposed and explained topologies for power stages, a new methodology has proposed for fully analysis and optimization of different size transformers in power combiner. Designed new power combiner is optimized for the frequency band of 900 MHz using 0.18-mum TSMC technology.
Keywords :
CMOS integrated circuits; circuit optimisation; integrated circuit layout; power amplifiers; power combiners; power semiconductor devices; radiofrequency amplifiers; radiofrequency integrated circuits; TSMC technology; integrated CMOS power amplifier; layout; optimization; power combiner blocks; power stages; transformers; CMOS process; CMOS technology; Inductance; Inductors; Magnetic flux; Power combiners; Q factor; Radio frequency; Switches; Transformers; Power amplifier; efficiency optimization; power combiner; transformer;
Conference_Titel :
Circuits and Systems and TAISA Conference, 2009. NEWCAS-TAISA '09. Joint IEEE North-East Workshop on
Conference_Location :
Toulouse
Print_ISBN :
978-1-4244-4573-8
Electronic_ISBN :
978-1-4244-4574-5
DOI :
10.1109/NEWCAS.2009.5290436
