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一种高线性的UWB接收机下变频混频器设计

Design of a High Linearity Cmos Mixer for UWB Receiver
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摘要 该文介绍了一种UWB下变频混频器的设计思路和技术。在TSMC0.18μmCMOS工艺下,使用Agilent公司的ADS软件设计出一种3~5GHz的CMOS混频器电路。仿真结果表明,工作电压3V时,RF频率为3.169GHz,本振频率为3.434GHz,中频频率为265MHz,转换增益为15.4dB,双边带噪声系数低于13.3dB,P1dB压缩点为-13dBm,工作电流为4.6mA。 This paper presents a design method of down-converted mixer for UWB system with 0.18μm TSMC CMOS technology.The RF,LO and IF frequencies are 3.169GHz,3.434GHz,265MHz respectively.The simulation results show that this mixer achieves a conver-sion gain of 15.4dB,noise figure of 13.3dB,1 dB compression point of-13dBm,while consuming less than 5mA from a single 3V supply.
出处 《电子质量》 2010年第12期36-38,共3页 Electronics Quality
关键词 CMOS 混频器 线性度 转换增益 超宽带 cmos mixer linearity conversion gain ultra-wideband(UWB)
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参考文献10

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