单级放大器静态工作点稳定的共 RB1=100kC2 射极放大器) E Rp=33kQ 11 CI RE=2.5kQ 12 Ro=skQ R L R1=5k 12 R el β=60 El E=15V lB=20μAI=12 MA UCE=6V r=162k2 载=93 r=RM//R12//rbe=1.52 KQ2 o=Rc=5k2R11 +EC RC1 C11 C12 R12 CE1 RE1 RL ui uo RB1=100k RB2=33k RE=2.5k RC=5k RL=5k =60 EC=15V 单级放大器(静态工作点稳定的共 射极放大器) IB=20A IC=1.2mA UCE =6V ri= R11// R12// rbe =1.52 k ro = RC1 =5k rbe=1.62 k AV载=-93