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从两个放大器输出的两路信号是差分信号，现在我想对这个差分信号进行滤波，这个滤波电路和不是差分信号滤波电路有区别吗？如果有的话又有什么特殊的要求？
差分信号滤波既要考虑差模信号又要考虑共模信号，既要滤除共模干扰又要对差分信号整理
