资料介绍
RF IC设计理论及指南[1]Sheet 1 of 1
Basic BJT Circuit Figure 1 below shows the simplied ‘Pi’ model of a BJT.
B
ib
c b
Vin
Β.ib -gm.Vbe
C
Vout
Zout
Vout
Rbe Vin = Vbe
Vbe
e
Zin
Rce E
Figure 1 Transistor symbol and simplified ‘Pi’ model We can see that output consists of a current source
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