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一种增强型E-PHEMT管的宽带低噪声放大器设计

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1引言LownoiseamDlifier(LNA)isamodemmicrowavecommunication,radar.electronicwarfaresystemimportantcomponent,itisinthefront0fthereceivingsystem.theantennareCeiyestheweakRFsignallinearamplification,whilesuppressingnoise,improvethesystemsensitivity.DuetoLNAinthereceingsysteminthespecialpositionandrole.thecomponentdesignofthereceivingsystempaysakeyroleintheperformanceindex.Thelownoiseamplifierusingmonolithicmicrowaveintegratedcircuit(MMlC)technology.allactivedevices(suchasabipolartransistororfieldeffecttransistor)andpassivedevice(suchasaresistor,inductor.capacRorandtransmissionlines)areallintegratedinasemi—conductorchip,inordertoachievea10wnoiseampUfyingfunction,hastheadvantagesofsmallsize,lightweight,lowcostandhighrehability.

张杨

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中国电子科技集团公司第五十四研究所

E-PHEMT 放大器设计 低噪声 增强型 宽带 radar

2012

中国包装科技博览
中国包装总公司

中国包装科技博览

ISSN:1009-914X
年,卷(期):2012.(9)