![](https://lstatic.shangxueba.com/jiandati/h5/images/m_q_title.png)
[单选题]
源极跟随器电路如图所示,场效应管参数为Kn=1
源极跟随器电路如图所示,场效应管参数为Kn=1
,VTN=1.2/V,l=0。电路参数为VDD=VSS=5V,Rg=500kΩ,RL=4kΩ。若电流源I=1mA,则小信号电压增益约为________,输出电阻约为________。![源极跟随器电路如图所示,场效应管参数为Kn=1,VTN=1.2/V,l=0。电路参数为VDD=VSS](https://img2.soutiyun.com/shangxueba/ask/19209001-19212000/19210435/c8aef48-chaoxing2016-58036.jpeg)
A.8,0.5kW
B.0.89,0.5kW
C.0.89,2W
D.1,2W
提问人:网友wudian0701
发布时间:2022-01-07