高速采樣ADC和時鐘信號的研究.pdf

1、中國科學技術大學博士學位論文高速采樣ADC和時鐘信號的研究姓名：何正淼申請學位級別：博士專業(yè)：物理電子學指導教師：安琪20050501中國科學技術大學博士論文摘要AbstractWiththenewlydevelopmentofICtechnologythecorrespondingcommunicationsystems，especiallywirelesscommunicationsystems，aregieatlyprocesse

2、dThisprocessingdemandsthespeedandprecisionoffrontenddatac鋤verIerSForexampleinSDR(softwaredefinedradi01field，theADconvertershouldbccapableofworkingatabout14bitand100MHzFollowingthedesignofcouvertercometherequirementsonsam

3、plingclockls])cTforulance：ToachievehiiehSNR(SignalNoiseRatio)，theremustbeahJIghperformancelowjittersamplingclocksignalThispaperemphasizesonhighspeedsamplingADCandclocksignal，andbasedontheresearchoftherelationshipofADCper

4、formanceandsamplingclockjitteritrealizeapracticalcircuitsforclockjittermeasurffmentInchapter1Itintroducesbrieflytheapplication、stateofart、developmenthistoryandtrendofADconverters，thenthedefinition、classificationandanalys

5、isofiitterbasedontheeffectofclockjitteroncommunicationsystemsAttheendofthisparttherelationshipbetweensamplingclockfinerandADCperformancearegiven，whichleadstotheresearchcontentofthispaperChapterⅡisabouttheresearchofclocks

6、ignal】tintroducesthegenerationandcharactersofclocksignal，givesoutanalysisandgeneralizationofsignalsgeneratedbyatomicclock、crystaloscillatorandphaselockedloopThencarriesoutthespectrumanalysisbasedonsinusoidalclocksignalmo

7、del，withthismodelused，wecalldieneetheformulasofperiodjitter，cycletocyclejitterandaccumulatedtimeerrorofclocksignulandextracttherelationshipbetweenclockjitterandphasenoisespectrumAlsointhischapterCommonphasenoisespectmmof

8、crystaloscillatorandphaselockedloopistogetheranalyzedAtthelastpartseveralmeasuringmethodofclockjitterareintroducedChapterMismainlycomposedoftheintroductiontoADCsamplingtheoryandperformanceanalysis，F(xiàn)irstlyADC‘sconvertingt

9、heorysuchassampleandquantifyprinciplestogetherwithdetailslikenoiseinsampling，structureofsamplingcircuitsareintroducedThenconlcstotheclassificationandstatic(dynamic)performanceparametersofADCAttheendofchapterIlIthemethods

10、forADCevaluationaleputoutincludingCDF(codedensityfunction)andst，ectrumanalysisChapterIVisanimportantpartofthispaper1tisabouttheanalysisandsimulationoftherelationshipbetweenADCandsamplingclockjitterAtthebeginningSO／T”form

11、ulasarededucedtheyarefunctionaboutclockjitterandADCinputsignalfrequencyfunctionaboutjiUerandADCSNR，functionaboutclockjitterandADCoutputcodedemitywheninthestateofcoefficientsamplingThensomesimulationsareputaccordmgtoabove

12、formulasIntheendsomeadvicesayegivenforthepracticalmeasurementofclockjitterChapterVisalsoanimportantpartofthispaperitrealizethepracticalcircuitdesignforclockjittermeasurementbasedontheprmciplementionedinabovechaptersInthi

13、spartsomemodelsareintroducedwhanusingADCsamplingtomeasureclockjiaersuchasSNRcnpiesandhistogramstatisticmethodsThenthecircuitsdesignareinlroducedAlsotheresultsofthemeasmementaregivenintheendBasedontheresultswecompletesome