Parasitic-insensitive linearization methods for 60-GHz 90-nm CMOS LNAs

Wei Tsung Li, Jeng-Han Tsai, Hong Yuan Yang, Wei Hung Chou, Shyh Buu Gea, Hsin Chia Lu, Tian Wei Huang

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Two V-band low-noise amplifiers (LNAs) with excellent linearity and noise figure (NF) using 90-nm CMOS technology are demonstrated in this paper, employing parasitic-insensitive linearization topologies, i.e., cascode and common source, for comparative purposes. To improve the linearity without deteriorating the NF, the 54-69-GHz cascode LNA is linearized by the body-biased post-distortion, and the 58-65-GHz common-source LNA is linearized by the distributed derivative superposition. Using these parasitic-insensitive linearization methods at millimeter-wave frequency, the cascode LNA can achieve an IIP 3 of 11 dBm and an NF of 3.78 dB at 68.5 GHz with a gain of 13.2 dB and 14.4-mW dc power. The common-source LNA has an IIP 3 of 0 dBm and an NF of 4.1 dB at 64.5 GHz with a gain of 11.3 dB and 10.8-mW dc power. To the best of our knowledge, the proposed cascode LNA has up to 11-dBm IIP 3 performance and the highest figure-of-merit of 156.2, among all reported V-band LNAs.

Original languageEnglish
Article number6211461
Pages (from-to)2512-2523
Number of pages12
JournalIEEE Transactions on Microwave Theory and Techniques
Volume60
Issue number8
DOIs
Publication statusPublished - 2012 Jun 13

Fingerprint

Low noise amplifiers
linearization
Linearization
low noise
CMOS
amplifiers
Noise figure
extremely high frequencies
linearity
Millimeter waves
figure of merit
millimeter waves
topology
Topology
Derivatives
Cascode amplifiers

Keywords

  • 60 GHz
  • CMOS
  • high linearity
  • low-noise amplifier (LNA)
  • monolithic microwave integrated circuit (MMIC)

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Parasitic-insensitive linearization methods for 60-GHz 90-nm CMOS LNAs. / Li, Wei Tsung; Tsai, Jeng-Han; Yang, Hong Yuan; Chou, Wei Hung; Gea, Shyh Buu; Lu, Hsin Chia; Huang, Tian Wei.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 60, No. 8, 6211461, 13.06.2012, p. 2512-2523.

Research output: Contribution to journalArticle

Li, Wei Tsung ; Tsai, Jeng-Han ; Yang, Hong Yuan ; Chou, Wei Hung ; Gea, Shyh Buu ; Lu, Hsin Chia ; Huang, Tian Wei. / Parasitic-insensitive linearization methods for 60-GHz 90-nm CMOS LNAs. In: IEEE Transactions on Microwave Theory and Techniques. 2012 ; Vol. 60, No. 8. pp. 2512-2523.
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