抑制同步开关噪声的电磁带隙结构分析

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1、AbstractAbstractWiththegrowingdemandofthemodernhigh-speeddigitalcircuits,themodernhigh-speeddigitalcircuitswithfastedgerisingrates,highclockratesandlowvoltagelevelmakethesimultaneousswitchingnoise(SSN)betweenthepowerplaneandgroundplanebecomethemainbottleneckofrestrictingthedevelopmenta

2、ndapplicationofthemodernhigh-speeddigitalcircuits.Therefore,howtoeffectivelyeliminatetheSSNofthemodernhigh-speeddigitalcircuitshasbecometheproblemwhichmustbesolvedbythecircuitdesignpersonnel.ElectromagneticBandGap(EBG)structureisaperiodicstructurewhichcanprohibitthepropagationoftheelec

3、tromagneticwaveinacertainbandwidthrange.Anditalsohastheadvantagesofsmallsize,lightweight,beingsimplymadeandeaseofintegration.ThispapermakesastudyoftheEBGstructuresusedforelectromagneticinterferencesuppression,focusesontheuniplanarEBGstructuresusedforsuppressionoftheSSN.Thispapermainlyd

4、iscussestherelatedproblemsoftheapplicationoftheuniplanarEBGstructuresusedforsuppressionoftheSSN.Firstlytheband-gapcharacteristicsofseveraltypicaluniplanarEBGstructuresareanalyzedandcompared.AndthentheoptimizationdesignofthenewConvoluteEBGstructurewhichdesignedbythelaboratoryprojectteam

5、ismade.Finally,LS-EBGstructureandIS-EBGstructurewithultra-widebandforsuppressionofsimultaneousswitchingnoiseareproposed.ThesimulatedandmeasuredresultsindicatethatthesenewEBGstructuresmentionedabovecanshowagoodsuppressionofSSN.AndtheanalysisofthesignalintegrityproblemscausedbytheseEBGpo

6、werplanesarealsomade.GoodsignalintegrityperformanceoftheseEBGpowerplanescanbeobtainedbyusingdifferentialtransmissionlines.Keywords:ElectromagneticBandGap(EBG)PrintedCircuitBoards(PCB)SimultaneousSwitchingNoise(SSN)SignalIntegrity(SI)目录目录第一章绪论............................................

7、..............................................................11.1研究背景及意义.......................................................................................11.2电磁带隙结构的发展现状.......................................................................21.3本文内容和章节安排.........................