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- Title
Complementary metal-oxide-semiconductor 60 GHz power amplifier by in-phase power combining and digitally assisted power back-off efficiency enhancement.
- Authors
Nan Li; Yu Hao; Yuan Liang; Wei Fei; Xiuping Li; Xiong Liu
- Abstract
A two-dimensional in-phase power combining with digitally assisted self-tuning is demonstrated in this study for complementary metal-oxide-semiconductor (CMOS) 60 GHz power amplifier (PA) to improve power efficiency. One digitally assisted 4-way power-combined PA prototype was implemented in 65-nm CMOS process. The performance of measured results show output power of 17.2 dBm, power added efficiency of 11.3% with 1.2 V supply voltage, and up to 170-190% efficiency improvement during power back-off for the entire 7 GHz band at 60 GHz.
- Subjects
METAL oxide semiconductors; POWER amplifiers; ENERGY consumption; PROTOTYPES; MIMO systems
- Publication
IET Microwaves, Antennas & Propagation (Wiley-Blackwell), 2016, Vol 10, Issue 1, p79
- ISSN
1751-8725
- Publication type
Article
- DOI
10.1049/iet-map.2015.0182