A 60-GHz variable gain amplifier with low phase and OP1dB variation

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This article presents a 60 GHz variable gain amplifier (VGA) with a low phase and output 1-dB gain compression point (OP1dB) variation for phased-array applications. The VGA employs a two-stage modified current-steering cascode. Implemented in 0.18-mu m SiGe BiCMOS technology, the VGA has a gain control range of 20.4 dB with a maximum gain of 17.7 dB at 60 GHz. The OP1dB variation is only 2.3 dB for all gain states at 60 GHz with a DC power consumption of 50 mW, and the measured phase variation is less than 4.8 degrees at 57 to 66 GHz.
Publisher
WILEY
Issue Date
2020-02
Language
English
Article Type
Article; Early Access
Citation

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.62, no.2, pp.696 - 700

ISSN
0895-2477
DOI
10.1002/mop.32123
URI
http://hdl.handle.net/10203/274181
Appears in Collection
EE-Journal Papers(저널논문)
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