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ID:31974113
大小:2.22 MB
页数:68页
时间:2019-01-29
《基于simulink的折叠内插模数转换器的行业级建模》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、AbstractHigh-speedanalogtOdigitalconverters(ADC)isthemostimportantpartofthesignalprocessingsystem,andiswidelyappliedinmeasuringinstruments,digitaloscilloscope,digitalcommunications,radarandotherfields,SOtheresearchofADCiscritical.AmongSOmanyADCstructures,foldingandinterpolatingADCh
2、asmanyadvantages,suchashigh-speed,low-power-consumption,small—sizeandbeeasycompatible、Ⅳimdigitalprocessetc.ThisthesisfocusesontheanalysisofmaincompositionmoduleinthefoldingandinterpolatingADCandit’Sbehavioralmodel.Themainresearchcontentincludetheclockjitterandtheoffsetvoltageofopam
3、pinsample—and—holdcircuit,thenonlineargaininpre-amplifierandfoldingcircuit,therestrictionsonbandwidthinfoldingcircuit,theresistancemismatchininterpolationcircuitandtheoffsetvoltageinfoldingoperationalamplifierandcomparator.Withthesimulationofthebehavioralmodelingestablishedbysimuli
4、nk,theresultsshowthatinordertOcomplicatea10bitfoldingandinterpolatingADCwitllSFDRis65.17dB,SNRiS62.96dB,INLis0.4LSB,DNLis0.37LSB,thedesignershouldensuretheperformanceindiceslistedbelow.Theinputoffsetvoltageofop·ampislessthan0.8LSB,theclockjitteriswithin27ps,thegainofpre-amplifieran
5、dfoldingcircuitalerequiredtObe5dBand7dB,thebandwidthoffoldingcircuitis25timesthanthemaximumbandwidthoftheinputsignal,theoffsetvoltageofthecomparatorislessthan0.3LSB.AccordingtOthesimulationresults,theperformanceindicescanbeusedtOguidethedesignofADCcircuit.Keywords:foldingandinterpo
6、latingADCsampleandholdcircuitSimulinkbehavioralmodeling基于Simulink的折叠内插模数转换器的行为级建模目录⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.1⋯:.⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..1⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.3.⋯.⋯..⋯⋯⋯.⋯⋯.⋯⋯⋯⋯.⋯⋯⋯⋯.⋯⋯⋯⋯.⋯⋯.。1.绍⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯5⋯⋯⋯⋯⋯.⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯!;2.1.1静态参数⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
7、..52.1.2动态参数⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.72.2折叠内插ADC工作原理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.92.3行为级建模分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..112.3.1行为级建模概述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯ll2.3.2基于Simulink的行为级建模⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。122.3.3折叠内插模数转换器行为级建模的考虑⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯132.4本章小结⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯14第三章折叠内插模数转换器的电路分析⋯⋯⋯⋯⋯⋯⋯⋯⋯
8、⋯⋯⋯⋯⋯⋯⋯⋯153.1折叠内插电路的整体结构⋯⋯
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