PSPICE语法

OrCADPSpiceA/DHowtousethisonlinemanualHowtoprintthisonlinemanualWelcometoOrCADOverviewCommandsAnalogdevicesDigitaldevicesCustomizingdeviceequationsGlossaryIndexReferenceManualVersion9.0,October,1998.Copyright1998,OrCAD,Inc.Allrightsreserved.PrintedintheUnitedStatesofAmerica.OrCADtrademarksOrCAD,OrCADLayout,andOrCADSimulateareregisteredtrademarks,andEDAfortheWindowsNTEnterprise,EnterpriseCIS,EnterpriseComponentInformationSystem,OrCADCaptureCIS,OrCADExpress,OrCADExpressCIS,OrCADLayoutEngineer'sEdition,OrCADOptimizer,SmartRoute,OrCADCapture,OrCADDesignDesktop,OrCADExpress,SmartDrag,SmartPlace,SmartRoute,andSmartWirearetrademarksofOrCAD,Inc.ReferencedhereinarethetrademarksusedbyOrCAD,Inc.,toidentifyitsproducts.OrCADistheexclusiveownersof“MicroSim,”“PSpice,”“PLogic,”“PLSyn.”AdditionalmarksofOrCADinclude:“StmEd,”“StimulusEditor,”“Probe,”“Parts,”“MonteCarlo,”“AnalogBehavioralModeling,”“DeviceEquations,”“DigitalSimulation,”“DigitalFiles,”“FilterDesigner,”“Schematics,”“PLogic,””PCBoards,”“PSpiceOptimizer,”and“PLSyn”andvariationstheron(collectivelythe“Trademarks”)areusedinconnectionwithcomputerprograms.OrCADownsvarioustrademarkregistrationsforthesemarksintheUnitedStatesandothercountries.SPECCTRAisaregisteredtrademarkofCooper&ChyanTechnology,Inc.AllothertrademarksMicrosoft,MS-DOS,Windows,WindowsNTandtheWindowslogoareeitherregisteredtrademarksortrademarksofMicrosoftCorporation.Adobe,theAdobelogo,Acrobat,theAcrobatlogo,ExchangeandPostScriptaretrademarksofAdobeSystemsIncorporatedoritssubsidiariesandmayberegisteredincertainjurisdictions.ShapeBasedisatrademarkandSPECCTRAandCCTareregisteredtrademarksofCooper&ChyanTechnologiesInc.(CCT).MaterialsrelatedtotheCCTSPECCTRAAutorouterhavebeenreprintedbypermissionofCooper&ChyanTechnology,Inc.XilinxisaregisteredtrademarkofXilinxInc.All,X-andXC-prefixproductdesignationsaretrademarksofXilinx,Inc.EENETisatrademarkofEckertEnterprises.Allotherbrandandproductnamesmentionedhereinareusedforidentificationpurposesonly,andaretrademarksorregisteredtrademarksoftheirrespectiveholders.CopyrightnoticeExceptaspermittedundertheUnitedStatesCopyrightActof1976,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenpermissionofOrCAD,Inc.Asdescribedinthelicenseagreement,youarepermittedtorunonecopyoftheOrCADsoftwareononecomputeratatime.Unauthorizedduplicationofthesoftwareordocumentationisprohibitedbylaw.CorporateProgramLicensingandmultiplecopydiscountsareavailable.ContactinformationTechnicalsupport(503)[e-mail](503)[e-mail][phone]WorldWideWeb(ACanalysis).............................32.ALIASES,.ENDALIASES(aliasesandendaliases).......................33.DC(DCanalysis).............................34Linearsweep..............................35Logarithmicsweep...........................35Nestedsweep..............................36.DISTRIBUTION(user-defineddistribution)...............37Derivingupdatedparametervalues..................37Usageexample..........................38.END(endofcircuit)............................39.EXTERNAL(externalport)........................40.FOUR(Fourieranalysis).........................41.FUNC(function)..............................42.IC(initialbiaspointcondition)......................43.INC(includefile).............................44.LIB(libraryfile)..............................45.LOADBIAS(loadbiaspointfile).....................46.MC(MonteCarloanalysis)........................47.MODEL(modeldefinition)........................50Parametersforsettingtemperature...................53Modelparametersfordevicetemperature............53Examples.............................53Contents4Specialconsiderations.......................54.NODESET(setapproximatenodevoltageforbiaspoint)........55.NOISE(noiseanalysis)..........................56.OP(biaspoint)...............................58.OPTIONS(analysisoptions).......................59Flagoptions............................59Optionwithanameasitsvalue..................60Numericaloptionswiththeirdefaultvalues...........61PSpiceA/Ddigitalsimulationc