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

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

doi:10.1109/LMWC.2006.872117

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

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

Yonsei Advanced Science Institute

Research output: Contribution to journal › Article › peer-review

19 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 language	English
Pages (from-to)	206-208
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	16
Issue number	4
DOIs	https://doi.org/10.1109/LMWC.2006.872117
Publication status	Published - 2006 Apr

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/LMWC.2006.872117

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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.",

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