PSPICEFORTI 滤波器输出波形怎么是这样的,怎么调式可以输出50Hz正常的波形

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PSPICEFORTI 滤波器输出波形怎么是这样的,怎么调式可以输出50Hz正常的波形

您好,滤波电路是自己搭建的还是下载的?
运放的电路我比较习惯用TINA去仿真,我按照您的电路用TINA仿真看下。