Ib = Ii * 100K / [(10k//10k)*100+100k] = Ii * 100k/600k , Ib/Ii= 1/6
Ie / Ib= 100
Io=Ie * 10k / (10k+10k) = Ie * 1/2 , Io / Ie = 1/2
Io/Ii = Io/Ie * Ie/Ib * Ib/Ii = 1/2 * 100 * 1/6 = 8.333333333333333333
共集極 CC Av=1
Ri = 100K//(1+B)(10K//10K) = 83.33K
Ro = 10K
Ai = Av* Ri/Ro = 1*83.33/10 = 8.33
(10K//10K)*100*Ib
流過100K歐姆的電流約為 = ------------------------------=5Ib
100k
Ii=5Ib+Ib=6Ib
Io=Ib*100/2=50Ib
Io/Ib=50/6=8.33
20 圖中電晶體的 VT = 25 mV,β = 100,VBE = 0.7 V..-阿摩線上測驗