• 2022-07-01
    加减法运算电路如图11所示,设运算放大器是理想的,则输出电压和输入电压的关系式为 。[img=255x212]1802df7a19ad09e.jpg[/img]
    A: [img=159x19]1802df7a25a9ed5.jpg[/img]
    B: [img=163x20]1802df7a31be100.jpg[/img]
    C: [img=178x22]1802df7a3c5ba59.jpg[/img]
    D: [img=177x21]1802df7a477c5cc.jpg[/img]