GBP= gRL (Rs +r)O 计算得:1,fn=3 MHZ GBP=1.3×10°md/s 2,fn=22 MHZ GBF=92×10°rad/s 3, H=IMHZ GBP=3.4x10rad/s 4,fn=0.9MGBP=3.9×10rd/s 5,fn=3.15 MHZ GBP=1.4×10°rad/s 可见 bb RsC个→f,GBP↓ f↑→fGBP个3-17 in H Rs C f 2 ' 1 = bb in m L Rs r C g R GBP ( ' ) ' + = 计算得:1, fH = 3MHZ GBP 1.3 10 rad /s 9 = 2, fH = 2.2MHZ GBP 9.2 10 rad /s 8 = 3, fH =1MHZ GBP 3.4 10 rad /s 8 = 4, fH = 0.9MHZ GBP 3.9 10 rad /s 8 = 5, fH = 3.15MHZ GBP 1.4 10 rad /s 9 = 可见: r R C → f H GBP bb S b c ' , , ' , , f T → f H ,GBP