Title :
On-chip power combining method in CMOS power amplifier
Author :
Lee, Yumi ; Park, Changkun ; Hong, Songcheol
Author_Institution :
Korea Adv. Inst. of Sci. & Technol., Daejeon
Abstract :
In this study, transformers were proposed to remove the degradation of the efficiency improvement in the low output power region. And a proposed tournament-shaped transformer, which is new architecture of magnetically coupled power combiner, is introduced and its advantages are presented.
Keywords :
CMOS integrated circuits; power amplifiers; power combiners; CMOS power amplifier; magnetically coupled power combiner; onchip power combining method; tournament-shaped transformer; CMOS technology; Couplings; Distributed amplifiers; Impedance; Power amplifiers; Power combiners; Power generation; Power measurement; Power transmission lines; Radiofrequency amplifiers;
Conference_Titel :
Microwave Conference, 2008. APMC 2008. Asia-Pacific
Conference_Location :
Macau
Print_ISBN :
978-1-4244-2641-6
Electronic_ISBN :
978-1-4244-2642-3
DOI :
10.1109/APMC.2008.4958385