(Vcc-Vbe)/RB2=IbVcc/Rc=Ib*Beta+Vce/RLIc=Ib*Beta(贝塔)Vce/RL=Vcc/Rc-Ic(KCL 基尔霍夫节点电流定律)RC的电流＝RL的电流＋IC的电流Vce=RL(Vcc/Rc－Ic)
