頻率綜合器中的分頻器電路設(shè)計(jì).pdf

1、東南大學(xué)碩士學(xué)位論文頻率綜合器中的分頻器電路設(shè)計(jì)姓名：康建穎申請學(xué)位級別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：王志功20090301AbstractAbstractWithmehighspeeddevelopmentofradiocommunicationtechniques，theLocalAreaWirelessNetwork(WEAN)technologydevelopedrapidlyalso，manykindsofstandardf

2、orWEANwereestablishedHigherspeed，bettersecurityperformanceandmoreassuredservicequalityarethetotaltendencyAtthesametime，thedesignofthetransceiverforWEANbecomesmoreandmorepopularInthefrontendcircuitforWEAN8021lastandard，th

3、efrequencysynthesizerbasedonphase—lockedloop(PLL)playsavitalpartItCanprovideforLOsignalsinthetransceivervariousfrequencies，whichhavehighaccuracyandhighstabilizationasthereferencefrequencySincethemodemcommunicationsystems

4、aremulti—channels，thetransceiversneedmultichannelLOsignals，itismorechallengedforthedesignofthefrequencysynthesizer加therapiddevelopmentofthecommunicationtechnology，therequirementsofhighaccuracy，lligh—sensitivity，lownoise，

5、lowcostandhigh—adjiustabilityforfrequencysynthesizerbecomemoreandmoreimportantThefrequencysynthesizerdesignedinCMOStechnologieswhichhaslowpowerandhighcompatibilityCallmeettherequirementsaboveAfteranalysetheprincipleofthe

6、frequencysynthesizerwhichiSbasedonaPLL，andinlroduceseveralkindsofimplementmethodofthefrequencysynthesizer，asimpleapproachofthefrequencysynthesizerusedin、軋AN8021lastandardtransceiveriSadvancedinthisthesisThecircuitdesigno

7、ftherelatedfrequencydividerWasstudiedinthisthesisalsoConsideringwiththerequirementofanLOsignal，thetraditionalSourceCoupledLogic(SCFL)latch矗)rhighspeedfrequencydividerw觴amended，andanewkindofSCFLlatchwithORgateintegratedwa

8、sdesignedTheSCFLlatchreducesthetimedelayintheprescaler，increasestheintegrationlevelInadditionanewtypeofprogrammabledividerstructureWaSalsoadvancedItcallreducethescaleandpromotetheintegrationlevelAllcircuitsWasdesignedinf

9、ull—customdesignmethodologyAfterfinishingthelayoutdesigntheICWaSsendtoSMICtofabricatedintheOI8tamCMOSprocessthroughtheMulti—ProjectWaferprojectThetestresultsindicatedthatthefrequencydividercanperfectlyrealizethefrequency

10、synthesizeassignmentwithhighqualityoutputsignalThephasenoiseislessthan一127dBc／Hzat1MHzfrequencyoffset；thehighestfrequencyis435GHzandthepowerconsumptionislessthan8mWInadditionasimplecurrentmodebandgapvoltagereferencecircu

11、itWasdesignedAfteranalysingtheprincipleofthebandgapandthebiasvoltagerequirementinthefrequencysynthesizeranewkindofhighordertemperaturecompensationcircuitstructurewasproposedThepostsimulationresultsindicatedthattheoutputo

12、fthevoltagereferenceCallbeadjustedfrom0to15VandthechangeislessthanO。15mVwhenthetemperaturechangedfrom0to100。C：whenthesupplyvoltagechangedfrom16to20Vtheoutputvoltagechange1eSSthan1mVKeywords：LocalAreaWirelessNetwork(Ⅵ，AN)