作者kurama1984 (断颜残臂)
看板Electronics
标题[请益]请问尔利电压的题目
时间Sun Nov 16 23:49:42 2008
The bjt in the circuit is biased at the constant current.Please express
the small-signal voltage gain in terms of the Early voltage Va.
↓定电流I
│───Vo
/ c
Vi─│
b \
BJT │e
接地
ans:Vo/Vi=-Va/Vt=-40Va
参考书的题目,不会推这题,烦请高手教导。
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