文章摘要
张浩,李智群.带ESD保护的2.4GHz低噪声放大器的分析与设计[J].高技术通讯(中文),2010,20(4):403~409
带ESD保护的2.4GHz低噪声放大器的分析与设计
Analysis and design of a 2.4GHz low noise amplifier with ESD protection
  
DOI:
中文关键词: 低噪声放大器(LNA),静电放电保护(ESD),噪声优化,无线传感网(WSN),互补金属氧化物半导体(CMOS)
英文关键词: low noise amplifier (LNA), electrostatic discharge (ESD) protection, noise optimization, wireless sensor network (WSN), CMOS
基金项目:863计划(2007AA01Z2A7)和江苏省“六大人才高峰”资助项目
作者单位
张浩 东南大学射频与光电集成电路研究所 
李智群 东南大学射频与光电集成电路研究所 
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中文摘要:
      分析了静电放电(ESD)保护对源极电感负反馈低噪声放大器(LNA)的输入阻抗匹配和噪声匹配的影响。给出了带ESD保护的低噪声放大器在功耗限定的条件下同时满足功率匹配和噪声匹配的优化方法,基于该方法,采用0.18μm RF CMOS工艺设计了应用于无线传感网(WSN)的2.4GHz低噪声放大器。测试结果表明,低噪声放大器噪声系数(NF)为169dB,增益为15.2 dB,输入1 dB压缩点和输入三阶截点(IIP3)分别为-8dBm和1dBm,在1.8V电源电压下消耗电流3.1mA。
英文摘要:
      The paper analyzes the impact of electrostatic discharge (ESD) protection on the input impedance matching and noise matching of a source inductive degenerated low noise amplifier (LNA). and gives an optimization method for a low noise amplifier(LNA) with ESD protection is given, it can achieve input power matching and noise matching simultaneously under the power constrained. Based on this method, a 2.4GHz LNA for wireless sensor network (WSN) was designed and optimized using 018μm RF CMOS technology. The measured results show that, the LNA achieves a noise figure (NF) of 1.69dB, a power gain of 15.2dB, an input 1 dB compression point of 8dBm and input third order intercept point (IIP3) of 1dBm. The dc current is 3.1mA under a supply of 1.8V.
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