DocumentCode
1129728
Title
Dynamic bias circuit of CMOS power amplifier sensing dissipated signals
Author
Oh, Inn Yeal ; Bang, J.H. ; Park, C.S.
Author_Institution
Intellectual RF Eng. Center, Korea Adv. Inst. of Sci. & Technol., Daejeon
Volume
45
Issue
14
fYear
2009
Firstpage
744
Lastpage
746
Abstract
A dynamic bias technology is proposed to meet the linearity standards at high-power levels and simultaneously reduce power consumption at low-power levels for mobile WiMAX terminal application. The dynamic bias circuit makes the bias operate the power amplifier (PA) dynamically as the output power level is increased. The fabricated PA complies with the spurious emission of WiMAX standards up to 20 dBm with improvement in average power usage efficiency by a factor of 5.21 over a fixed bias PA.
Keywords
CMOS integrated circuits; MIMIC; integrated circuit design; millimetre wave power amplifiers; power integrated circuits; CMOS power amplifier; MIMIC CMOS PA; WiMAX standards; average power usage efficiency; dissipated signal sensing; dynamic bias circuit technology; linearity standard; mobile WiMAX terminal application;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el.2009.1135
Filename
5159721
Link To Document