A 2.4-GHz Sub-mW CMOS receiver front-end for wireless sensors network

Taeksang Song, Hyoung Seok Oh, Songcheol Hong, Euisik Yoon

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A 2.4-GHz fully integrated CMOS receiver front-end using current-reused folded-cascode circuit scheme is presented. A configuration utilizing vertically stacked low-noise amplifier (LNA) and a folded-cascode mixer is proposed to improve both conversion gain and noise figure suitable for sub-mW receiver circuits. The proposed front-end achieves a conversion gain of 31.5 dB and a noise figure of 11.8 dB at 10 MHz with 500-μA bias current from a 1.0-V power supply. The conversion gain and noise figure improvements of the proposed front-end over a conventional merged LNA and single-balanced mixer are 11 dB and 7.2 dB at 10 MHz, respectively, with the same power consumption of 500 μW.

Original languageEnglish
Pages (from-to)206-208
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume16
Issue number4
DOIs
Publication statusPublished - 2006 Apr

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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