0.18μm10位40mhz采樣率流水線模數(shù)轉(zhuǎn)換器

1、分類號(TN432)f890355單位代碼：10005學(xué)號：S200302049密級：北京工業(yè)大學(xué)工學(xué)碩士學(xué)位論文題目Q：!凹!Q僮箜墅；墨搓奎速盔線搓數(shù)掛逸墨英文并列題目Q：!SL磐!Q旦114Q叢里里!￡星L!叢墾QANALOGTODIGITALCONVERTER研究生姓名：王室登專業(yè)：堂皂王堂蘭固住電王堂研究方向：超商蕉微電王堂職稱：熬援論文報告提交日期———』旦[生—L——一學(xué)位授予日期授干單位名稱和地址韭夏至些盔堂：韭夏Ⅲ塑匿

2、匡巫固!業(yè)呈llQQQ22jAbstractAnalogtodi百talconverters(ADcs)areakeyblockinmoderncommunicationsystemsThelowcostofdigitalsignalprocessingleadthatmoreandmoresignalprocessingincommunicationsystemusesdigitaltechn0109vThismakestheADCa

3、lwaysmovedfrontItresultsinADCahigherrequirementofspeed，resolution，andcostTheADCdesignedinthisthesiscanbeusedinWirelesscommunication，suchasWirelessLAN80211seriesandseveraltypesDVBstandardproductTheaimedsanlplingfrequencyi

4、s40MHz；resolutionis1Obit，powerconsumptjonlessthan60mWThroughthecompafeofseveralfamiliarADCcharacteristics，thisprojectusepipeIinedADCAtbaseofanalyzingtheaimedperformances，consideringa11sort5ofnon—idealf毫ctorseffectingADC，

5、attheprocessingofimprovingthefactor，weaccessthecircuitparticularstructure：stagenumberofsubADCs，signalstageresolution，thecapacitanceofsamplingandholding，andop—ampDCgainandunitygainbandwidth，etcBasedonthedesigningofthecirc

6、uit，particularanalyzing，wedesignedandsimulatedtwoblocks，trackandholdblockinfirststage(THA)，andoperationalampliner(Op—Amp)，whichhasthebiggeste行ecttotheADcperformanceThenon—linearityofTHAdirectlyaffectstheperfbrmanceofthew

7、holeADCBasedontheanalyzingofnon—idealfactors，wegaVetheapproachtoimproveit，andputfbrwardthenoticedproceedinginlayoutdesignTheOp—AmpisoneofthemostimportantblocksinpipelinedADCTheauthorexpatiatedthehighgain，widebandwidth，an

8、dlowpowerOp—Ampdesignmethodofthisp10jectinparticularlyTheauthorcomputethespecificationoftheOp—AmpforthemosteffcctiVeandreliableperformance，dependingonthedifferentrequirmentofallstagessubADCsAllstagesusefoldedcascadestruc

9、tureTosatisfytherequirementofhighgainandwidebandwidthofthe4anteriorstages，weusedthegainboostfoldcascadestructure，whichcanenhancethegainwithoutaffectingtheunitygainbandwidth，andaVoidthes10wsettlingthroughthereasonableanal

10、yzedThestatisticanddynamictestresultofADC：INL=lLSB，DNL=046LSB；SNDR=538dB，SFNR=639dB，ENOB=85Bit，THD=618dB，wheninputsignalfrequencyis78MHzThepowerconsumptionis54mWThea11sortsofperformancesatisfytherequirementofWirelessLAN8