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截止频率为3Mhz的有源高通滤波器如何阻抗匹配

我想对一个滤波器进行50欧姆的阻抗匹配,请问一个有源滤波器的哪些电阻可以决定他的输入输出阻抗?如何修改它可以达到一个有源滤波器具有50欧姆的输入输出阻抗?