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用示波器怎样可以测试到开头电源的幅射?

  • btt
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25 Oct 2020 12:58 #152 by btt
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开关电源存在幅射干扰,一般做法是设法探出干扰源,然后再去屏蔽它。用示波器可以 傅立叶变换的功能分析其频率成份构成,根据频率范围,从而判断干扰的种类。

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