• 2022-07-28
    放大电路及参数如题51所示,且信号源内阻[img=86x22]1803a98aa941fbd.png[/img],则其源电压增益[img=84x42]1803a98ab22f813.png[/img]_______________
    A: -66.7
    B: -100
    C: 66.7
    D: 100