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Design and optimization of CMOS LNA with ESD protection for 2.4 GHz WSN application

Li Zhiqun Chen Liang Zhang Hao

半导体学报2011，Vol.32Issue(10)：103-112,10.

半导体学报2011，Vol.32Issue(10)：103-112,10.DOI:10.1088/1674-4926/32/10/105004

Design and optimization of CMOS LNA with ESD protection for 2.4 GHz WSN application

Li Zhiqun ¹Chen Liang ²Zhang Hao³

作者信息

1. Institute of RF- & OE- ICs, Southeast University, Nanjing 210096, China
2. RFIC and System Engineering Research Center of Ministry of Education of China, Southeast University, Nanjing 210096, China
3. Research Center of Sensor Network Technology, Southeast University, Wuxi 214135, China
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摘要

Abstract

A new optimization method of a source inductive degenerated low noise amplifier (LNA) with electrostatic discharge protection is proposed.It can achieve power-constrained simultaneous noise and input matching.An analysis of the input impedance and the noise parameters is also given.Based on the developed method,a 2.4 GHz LNA for wireless sensor network application is designed and optimized using 0.18-μm RF CMOS technology.The measured results show that the LNA achieves a noise figure of 1.59 dB,a power gain of 14.12 dB,an input 1 dB compression point of-8 dBm and an input third-order intercept point of 1 dBm.The DC current is 4 mA under a supply of 1.8 V.

关键词

LNA/ ESD protection/ noise and input impedance matching/ CMOS

Key words

LNA/ ESD protection/ noise and input impedance matching/ CMOS

引用本文复制引用

Li Zhiqun,Chen Liang,Zhang Hao..Design and optimization of CMOS LNA with ESD protection for 2.4 GHz WSN application[J].半导体学报,2011,32(10):103-112,10.

基金项目

Project supported by the National High Technology Research and Development Program of China (No.2007AA01Z2A7) and the 5th Program of Six Talent Summits of Jiangsu Province,China. （No.2007AA01Z2A7）

半导体学报

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ISSN：1674-4926

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