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八阶滤波器中心频率信号衰减问题

用WEBENCH设计了一个八阶滤波器,如图。搭建电路测试结果为:输入信号6Vpp,输出信号最大237MVpp,求问为什么输出信号衰减如此严重??

  • 麻烦把的八阶滤波器WEBENCH设计链接发过来,看不清楚下面的信息。

    测试中,建议你一级一级的检查,看下衰减在哪里,特别注意各级带宽是否与你设计的要求接近?