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具有平坦增益的3.1~10.6GHz UWB CMOS低噪声放大器设计 被引量:4

A 3.1~10.6 GHz CMOS UWB LNA with Flat Gain
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摘要 提出了一种采用0.18μm CMOS工艺的3.1~10.6GHz超宽带低噪声放大器.电路的设计采用了电流复用技术与阻抗反馈结构,具有低功耗和平坦增益的特性.仿真结果显示,在3.1~10.6GHz频率变化范围内,低噪声放大器达到平均17.5dB的电压增益,输入和输出的回波损耗均低于-8dB,最小噪声系数约为2.8dB,在电源电压为1.5V下功耗约为11.35mW. This paper presented a 3.1~10.6 GHz ultra-wideband (UWB) low noise amplifier (LNA) in a 0. 18μm CMOS process. The circuit was designed with current-reuse and impedance feedback technol- ogy, so it has the characteristics of low power dissipation and flat gain. Simulation results have shown that, across the frequency band of interest, the LNA achieves 17.5 dB of average gain, the input and out- put return loss is lower than --8 dB, respectively, the minimum NF is about 2.8 dB, and the power dissi- pation is about 11.35 mW under the power supply of 1.5 V.
出处 《湖南大学学报(自然科学版)》 EI CAS CSCD 北大核心 2012年第7期49-53,共5页 Journal of Hunan University:Natural Sciences
基金 湖南省科技计划项目(2010FJ4246)
关键词 低噪声放大器(LNA) 超宽带 平坦度 电流复用技术 low noise amplifier (LNA) ultra-wideband (UWB) flatness current-reused technique
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同被引文献31

  • 1陈迪平,陈弈星,熊琦,王镇道.一个单端LO输入的新型混频器电路[J].湖南大学学报(自然科学版),2006,33(2):63-65. 被引量:3
  • 2张红南,罗丕进,黄雅攸,张卫青,曾云.基于低电源电压混频器的设计[J].湖南大学学报(自然科学版),2007,34(5):49-52. 被引量:1
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