V BE :=leme-D-aglcas(e1 VBE VBC Ic=arlEBs(e-1)-Icas(e-1) VBE I8=Is-Ic=(1-ap)IEas(e-D+(1-ag)Icas(e-1) 根据上式,画出相应的电路模型:= ( −1)− ( T −1) BC T BE V V R CBS V V E EBS I I e I e = ( −1)− ( T −1) BC T BE V V CBS V V C F EBS I I e I e = − =(1− ) ( −1)+(1− ) ( T −1) BC T BE V V R CBS V V B E C F EBS I I I I e I e 根据上式,画出相应的电路模型: E C B IC IB IE