A 60 GHz low noise variable gain amplifier with small noise figure and IIP3 variation in a 40-nm CMOS technology

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This paper presents the design and measurement of a low noise variable gain amplifier (VGA) over the frequency band of 57 GHz and 64 GHz, using 40-nm CMOS technology. The design applies an inductive degeneration technique for simultaneously noise and power matching, a layout gate inductance for gain frequency extension, and current steering technique for gain tuning. The comparison of a low noise amplifier (LNA) and a low noise VGA is done, in terms of noise figure and linearity (IIP3). The LNA achieves 6.7 dB gain and 4.3 dB noise figure (NF) at 60 GHz, while consuming 12 mA from a 1.1 V supply. The IIP3 of the LNA is-12.8 dBm. The VGA has an S21 of 6.67 dB (maximum) and 5.1 dB NF at 58 GHz. The gain tuning range is 6 dB and the NF deviation is 0.8 dB at 60 GHz and the IIP3 is-7.66 dBm at the maximum gain state. The supply voltage of the VGA is 1.1 V and the DC current is 11 mA.

Originele taal-2Engels
Titel2018 IEEE MTT-S International Wireless Symposium, IWS 2018 - Proceedings
Plaats van productiePiscataway
UitgeverijInstitute of Electrical and Electronics Engineers
Aantal pagina's4
ISBN van elektronische versie9781538663462
DOI's
StatusGepubliceerd - 29 jun 2018
Evenement2018 IEEE MTT-S International Wireless Symposium, IWS 2018 - Chengdu, China
Duur: 6 mei 20189 mei 2018

Congres

Congres2018 IEEE MTT-S International Wireless Symposium, IWS 2018
LandChina
StadChengdu
Periode6/05/189/05/18

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