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THS3202电流反馈型运放无输入发烫??

Other Parts Discussed in Thread: THS3202

THS3202电流反馈型运放,在没有信号输入的情况下,会非常烫。

电路使用反向放大,正负5V供电,放大十倍,反馈电阻RF=200欧姆, R1=20欧姆,在输入端串联一个20欧姆的电阻。

有信号输入时,有些震荡。

这种现象可能是什么原因,怎么解决?