故 IBe =10MA VE0=0.7V Ice Bl Be 100x0.01mA=1mA 输出回路Vc=Vcs+IcoRc=Vcs+leRc 所以 VCEQ VCC BI BORC =12V-1mA×5.8K=6.2V 故 VBEe =0.7V,IBe =10uA,Ico ImA,VcEe 6.2V 根据此结果，可知： VCEe >0.3V 假设成立。故 I BQ = 10A VBEQ = 0.7V I CQ = I B Q = 100 0.01m A = 1m A 输出回路 VCC = VCE + I CQ RC = CE BQ RC V + I 所以 CEQ CC B QRC V = V − I =12V −1mA5.8K = 6.2V 故 VBEQ = 0.7V,I B Q = 10A,I CQ = 1m A,VCEQ = 6.2V 根据此结果，可知： VCEQ  0.3V 假设成立