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1、上海交通大学硕士学位论文新型CMOS射频接收机低噪声电源管理系统的研究与设计姓名：欧阳翔申请学位级别：硕士专业：软件工程指导教师：周健军20081201AbstractRecently,technologyofcommunication,especiallythewirelesscommunicationhasdevelopedgreatly,whichplaceshighvalueonthetechnologyofRadioFrequency(RF).Therefore,RFcircuithasbecomethek
2、eypartofcommunication,radarandmicrowaveapplicationsystem,andfindswideuseinmanyfields.TherearegreatchallengesforRFICs,thecorepartsoftheRFcommunicationproducts.HigherlevelintegrationhasbecomethemustsolutionoftheRFICstoachievelowercostsandbetterperformances.Conseq
3、uently,theintegrationofpowermanagementfunctionintoRFICsisdefinitelyandinevitablyanimportantdirectionofthedevelopmentofRFICs.Inthisthesis,theresearchanddesignoftheintegratedlow-noisepowermanagementforRFreceiverchips,basedonCMOSprocess,hasbeenintroduced.Thesource
4、ofpowersupplynoiseanalysisisgiven.Basedonthisanalysis,apowerdomainpartition,targetingonsuppressingtheon-chipsupplynoise,isintroduced.Differentpowersupplyblockisappliedfordifferentcircuittoalleviatethesupplynoisecoupling.Combinedtheadvantageofbandgapreferenceand
5、thethresholdvoltage(VTH)voltagebiascircuit,aultralownoisevoltagereferencewithdigitalcalibrationisdesigned.Thisvoltagereferencecircuitcanachievebothultralowoutputnoiseandhighaccuracy.Inaddition,theon-chipLDOforbothanalog/RFanddigitalcircuithasbeendesigned.Thecir
6、cuitsandlayoutoftheproposedintegratedlownoisepowermanagementsystemforGPSRFreceiverchiphavebeendesignedandpost-simulatedbySMIC0.18umCMOStechnology.Theproposedpowermanagementsystemhastheadvantageofultralownoise,highreliability,highintegrationanddigitalcontrolled.
7、KeywordsPowermanagement,radiofrequency,lownoise,powersupplynoise,voltagereference,linearregulatorii图片目录图1智能手机电源管系统...................................................................................................2图2DC-DC开关电源应用..................................
8、...............................................................8图3电荷泵应用示意图...................................................................................................
