输入为3引脚,输出为1引脚。前后 波形如下S是什么原因造成的额呢是纹波还是输出反射引起啊?怎么解决啊
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输入为3引脚,输出为1引脚。前后 波形如下S是什么原因造成的额呢是纹波还是输出反射引起啊?怎么解决啊