标签: highly

AHighlyEfficientModelingStyleforHeterogeneousBusArchitectures……

HighlyEfficientPowerAmplifierforCDMABaseStationsWE5A-4HighlyEfficientPowerAmplifierforCDMABaseStationsUsingDohertyConfigurationJeonghyeonCha1,JangheonKim1,BummanKim1,JongSungLee2,andSangHoonKim2DepartmentofElectronicandElectricalEngineeringandMicrowaveApplicationResearchCenter,PohangUniversityofScienceandTechnology,Gyeongbuk,790-784,RepublicofKorea2TelecommunicationR&DCenter,SamsungElectronicsco.,LTD,Suwon,Gyeonggi,442-742,KoreaAbstract―WehaveextendedtheclassicalDohertyamplifiertosupportCDMAbasestationpoweramplifiersthatrequirehighefficiencyandgoodlinearity.Atfirst,wehaveestimatedthreetransistors,Motorola’sMRF21085,MRF5S21090andMRF5P21180LDMOS’s,toconfirmthesuitabilityforDohertyoperation.SincetheMRF21085transistorisnotsuitable,w……

HighlylinearCMOSRFMMICamplifierusingmultiplegatedtransistorsanditsVolterraseriesanalysis……

cmosactivepixelimagesensorsforhighlyintegratedimaginIEEEJOURNALOFSOLID-STATECIRCUITS,VOL.32,NO.2,FEBRUARY1997187CMOSActivePixelImageSensorsforHighlyIntegratedImagingSystemsSunetraK.Mendis,Member,IEEE,SabrinaE.Kemeny,Member,IEEE,RussellC.Gee,Member,IEEE,BedabrataPain,Member,IEEE,CraigO.Staller,QuiesupKim,Member,IEEE,andEricR.Fossum,SeniorMember,IEEEAbstract―AfamilyofCMOS-basedactivepixelimagesensors(APS’s)thatareinherentlycompatiblewiththeintegrationofonchipsignalprocessingcircuitryisreported.Theimagesensorswerefabricatedusingcommerciallyavailable2-mCMOSprocessesandbothp-wellandn-wellimplementationswereexplored.Thearraysfeaturerandomaccess,5-Voperationandtransistortransistorlogic(TTL)compatiblecontrolsignals.Methodsofon-chipsu……