NDLI: A wideband CMOS power amplifier with 23.3 dB S21, 10.6 dBm PSAT and 12.3 % PAE for 60 GHz WPAN and 77 GHz automobile radar systems

Content Provider	Springer Nature Link
Author	Lin, Yo Sheng Wang, Chien Chin Lee, Chien Yo
Copyright Year	2015
Abstract	A wideband power amplifier (PA) for 60 and 77 GHz direct-conversion transceiver using standard 90 nm CMOS technology is reported. The PA comprises a cascode input stage with a wideband T-type input-matching network and inductive interconnection and load, followed by a common-source (CS) gain stage and a CS output stage. To increase the saturated output power (PSAT) and power-added efficiency (PAE), the output stage adopts a two-way power dividing and combining architecture. Instead of the area-consumed Wilkinson power divider and combiner, miniature low-loss transmission-line inductors are used at the input and output terminals of each of the output stages for wideband input and output impedance matching to 100 Ω. This in turn results in further PSAT and PAE enhancement. The PA consumes 92.2 mW and achieves maximum power gain (S21) of 23.3 dB at 56 GHz, and S21 of 21.7 and 14 dB, respectively, at 60 and 77 GHz. In addition, the PA achieves excellent saturated output power (PSAT) of 10.6 dBm and maximum power added efficiency (PAE) of 12.3 % at 60 GHz. At 77 GHz, the PA achieves excellent PSAT of 10.4 dBm and maximum PAE of 6 %. These results demonstrate the proposed wideband PA architecture is very promising for 60 GHz wireless personal local network and 77 GHz automobile radar systems.
Starting Page	65
Ending Page	75
Page Count	11
File Format	PDF
ISSN	09251030
Journal	Analog Integrated Circuits and Signal Processing
Volume Number	86
Issue Number	1
e-ISSN	15731979
Language	English
Publisher	Springer US
Publisher Date	2015-10-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CMOS 60 GHz 77 GHz Power amplifier Saturated output power PAE Circuits and Systems Electrical Engineering Signal, Image and Speech Processing
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Signal Processing Hardware and Architecture

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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