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时间:2019-08-10
《introduction to and usage of the bipolar transistor model mextram》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Nat.Lab.UnclassifiedReportNL-UR2002/823Dateofissue:August2002IntroductiontoandUsageoftheBipolarTransistorModelMextramJ.C.J.PaasschensandR.v.d.ToornUnclassifiedreport©KoninklijkePhilipsElectronicsN.V.2002NL-UR2002/823—August2002UsageofMextram504UnclassifiedreportAuthors'addre
2、ssdata:J.C.J.PaasschensWAY41;Jeroen.Paasschens@philips.comR.v.d.ToornWAY41;Ramses.van.der.Toorn@philips.com©KoninklijkePhilipsElectronicsN.V.2002Allrightsarereserved.Reproductioninwholeorinpartisprohibitedwithoutthewrittenconsentofthecopyrightowner.©iiKoninklijkePhilipsEl
3、ectronicsN.V.2002UnclassifiedreportAugust2002—NL-UR2002/823UnclassifiedReport:NL-UR2002/823Title:IntroductiontoandUsageoftheBipolarTransistorModelMex-tramAuthor(s):J.C.J.PaasschensandR.v.d.ToornPartofproject:CompactmodellingCustomer:SemiconductorsKeywords:Mextram,spice,equi
4、valentcircuits,analoguesimulation,semi-conductordevicemodels,semiconductordevicenoise,nonlineardistortion,heterojunctionbipolartransistors,bipolartransistors,integratedcircuitmodelling,semiconductortechnologyAbstract:Mextramisacompactmodelforverticalbipolartransistors.For
5、adesignersuchacompactmodel,togetherwiththeparametersforaspecifictechnology,istheinterfacebetweenthecircuitdesignandtherealtransistor.TobeabletouseMextraminanefficientwayoneneedsanunderstandingofsomeofthebasicsofMex-tram.ThisreportismeanttogiveadesgineranintroductionintoMext
6、ram,level504.InthisreportwedescribeMextram504.Wediscussitsequivalentcircuitandhowthevariouselementsofthiscircuitareconnectedtothevariousregionsofarealtransistor.Wediscussthesimilar-itiesanddifferencesofMextram504andthewell-knownSpice-Gummel-Poonmodel.Thenwesketchtheeffect
7、sthatcanplayaroleinthelow-dopedcollectorepilayerofabipolartransistorandhowthesearemodelledwithinMextram504.Weshowhowonecanhandlethesubstrateresistance/capacitancenetwork,thatisnotanintegralpartofMextram.Furthermore,wediscussthepossibilitiesofmodellingselfheatingandmutualh
8、eatingwithMextram504.Atlastweshowwhatinformationcanbefoundfromtheoperatingpointinformationthatis
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