A low-power self-forward-body-bias CMOS LNA for 36.5-GHz UWB receivers

Chen Ming Li*, Ming Tsung Li, Kuang Chi He, Jenn-Hawn Tarng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

A low-power low-noise amplifier (LNA) implemented in 0.18 μm CMOS technology utilizing a self-forward-body-bias (SFBB) technique is proposed for UWB low-frequency band system. By using the SFBB technique, it reduces supply voltage as well as saves additional bias circuits, which leads to low power consumption of 4.5 mW with low supply voltage of 1.06 V for two drain-to-source voltage drops. The complementary architecture and direct coupling technique between the first two stages also save bias circuits. The measurement result shows that the proposed LNA presents a maximum power gain of 16 dB with a good input impedance matching (S11 <- 12 dB) and an average noise figure of 2.65 dB in the frequency range of 36.5 GHz.

Original languageEnglish
Article number16
Pages (from-to)100-102
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume20
Issue number2
DOIs
StatePublished - 1 Feb 2010

Keywords

  • CMOS
  • Forward body bias (FBB)
  • Low noise amplifier (LNA)
  • Low power
  • Ultra-wideband (UWB)

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