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LM258反向加法器输出信号出现断点的问题,求各位老师解答

Other Parts Discussed in Thread: LM258

LM258反向加法器输出信号出现断点的问题,求各位老师解答

电路图如下:

采用正负5V供电

输入输出如下:

上面是输出,下面是输入。输入两个一样的正弦信号,输出信号出现断点是怎么回事呢?

发现输入大信号出现上述现象,小信号就没有了