A 0.13-μm CMOS Ultra-Low Power Front-End Receiver for Wireless Sensor Networks

Wenjian Chen, Copani, T.,Barnaby, H.J.,Kiaei, S.

Radio Frequency Integrated Circuits（2007）

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摘要

This paper presents an ultra-low power monolithic CMOS RF receiver, consisting of current re-use common gate LNA with inductive feedback gm-boosting, and followed by balanced I/Q mixers. The receiver is fabricated in a 0.13-mum CMOS digital process operating at 2.45 GHZ. The measurement results show that the RF receiver achieves a gain of 20 dB and a noise figure of 7.5 dB at 2 MHz. Input 1-dB compression point is -19 dBm and IIP3 is -10 tlBm, with 0.4 mA total current consumption from a 1.5-V supply.

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关键词

CMOS integrated circuits,low-power electronics,optical receivers,wireless sensor networks,CMOS ultra low power,balanced I/Q mixers,current 0.4 mA,frequency 2 MHz,frequency 2.45 GHz,front end receiver,noise figure 7.5 dB,size 0.13 mum,total current consumption,wireless sensor networks,Low power,current reuse,low noise amplifier (LNA),mixer,noise figure,transformer feedback,

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