标签: 器匹

Maxim优化噪声系数的低噪声放大器匹配技术I1I2NOISYTWO-PORTNETWORK(a)I1Vn1NOISELESSTWO-PORTNETWORK(b)Vn2I2(LNA)RFRFIFV1V2V1V21.(b)(a)Vn1Vn22In1In256I1=Y11V1+Y12V2+In1I2=Y21V1+Y22V2+In2(5)(6)―(Vn1Vn1Vn21bV1=Z11I1+Z12I2+Vn1V2=Z21I1+Z22I2+Vn2(1)21a)1b)ZIn1In278(7)Vn212(In1=I1V1=V2=0In2=I2V1=V2=0(8)1b2(2)I1NOISELESSTWO-PORTNETWORKI212Vn1Vn2(34)(3)(I1=I2=0)V1In1In2V2Vn1=V1I1=I2=0Vn2=V2I1=I2=0(4)2.In1In2Vn1Vn212(3)ABCD9103In1(9)VnIn2In2V1=AV2+B(I2)+VnI1=CV2+D(I2)+InIVn=n2Y21YIn=In111In2Y21(17)(10)9Vn103InI1Vn(18)Vn1bInVn1Vn2Ys……

微波放大器匹配电路的CAD设计,微波放大器匹配电路的CAD设计……

使用ADS设计放大器匹配电路--香港中文大学ADS应用笔记之一CHUChunSan,December18,2004ADSApplicationNotesWirelessCommunicationLaboratoryDepartmentofElectricalandElectronicEngineeringHongKongUniversityofScienceandTechnologyImpedanceMatchingNetworkDesignforAmplifiertomeetGain,InputReflectionCoefficientandStabilityRequirementsCHUChunSan,December18,2004IntroductionThisapplicationnotedescribestheprocedureofdesigningtheinputmatchingnetworkforamplifiertofulfillspecificgain,inputreflectioncoefficientandstabilityrequirements.Withtheideaofconjugatematching,minimumsignalreflectionwilloccurattheinputportofanamplifierandthiswillresultinsmallreflectioncoefficientandlargergain.Itisalsoimportanttomakesuretheamplifierisoperatinginstableregionandos……