sentaurus tcad软件学习仿真工程实例greadme.pdf

Thebasecurrentlevelsaredefinedbythefollowingsuppressed.(Forthep-n-pdevices,thesignofthefirst

SentaurusWorkbenchparameters:base–emittervoltageischangedinternally.)

■Ibmin[A/μm]definesthebasecurrentlevelforthe■Vbemax[V]definesthefinalbase–emittervoltagefor

firstcollectorvoltagesweep.Itissetto1e-6.(ForthetheGummelplotsweep.Itissetto1.1.(Forthep-n-p

p-n-pdevices,thesignofthebasecurrentlevelisdevices,thesignofthefinalbase–emittervoltageis

changedinternally.)changedinternally.)

■Ibmax[A/μm]definesthebasecurrentlevelforthe■GummelAC=0|1isalogicalflag.TheGummelplot

lastcollectorvoltagesweep.Itissetto4e-6.(Forthesweepisperformedonlyiftheflagis1.

p-n-pdevices,thesignofthebasecurrentlevelis

changedinternally.)Inspect:PlotFt

■NIb[1]definesthenumberofsweeps.Itissetto4.The

basecurrentlevelsaredistributedlinearlybetweentheThenameofthesubsequentInspectinstanceisPlotFt.It

minimumandumvalues.plotsftandfmaxasafunctionofthebase–emitter

voltage.Inaddition,thecollectorcurrentasafunctionofthe

■Vcemax[V]definesthefinalcollector–emittervoltage

base–emittervoltageisshown.ThevalueoftheSentaurus

fortheIcVcesweeps.Itissetto1.5.(Forthep-n-pWorkbenchparameterRFpardetermineswhichRF

devices,thesignofthe