Title :
Design Options for High Efficiency Linear Handset Power Amplifiers
Author :
Asbeck, P. ; Larson, L. ; Kimball, D. ; Pornpromlikit, S. ; Jeong, J.-H. ; Presti, C. ; Hung, T.P. ; Wang, F. ; Zhao, Y.
Author_Institution :
Univ. of California at San Diego, La Jolla, CA
Abstract :
Design techniques for handset power amplifiers are discussed, with emphasis on high efficiency architectures and CMOS technology. Experimental results with prototype circuits including Doherty, envelope tracking, outphasing and digital polar modulation are presented. Future design challenges are also highlighted.
Keywords :
CMOS integrated circuits; power amplifiers; CMOS technology; digital polar modulation; envelope tracking; high efficiency linear handset power amplifiers; CMOS technology; High power amplifiers; Integrated circuit technology; Power amplifiers; Radio frequency; Radiofrequency amplifiers; Stacking; Telephone sets; Transformers; Voltage;
Conference_Titel :
Silicon Monolithic Integrated Circuits in RF Systems, 2009. SiRF '09. IEEE Topical Meeting on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-3940-9
Electronic_ISBN :
978-1-4244-2831-1
DOI :
10.1109/SMIC.2009.4770542