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在观看TI撰写的放大器噪声系数计算的文章中,只写了纯电阻构成的运放电路的噪声计算,但是当运放构成MFB型滤波器或者SK型滤波器时怎么计算运放电路的整体的噪声呢???
抱歉回复晚了,请参考这篇应用手册关于MFB 滤波器的设计方法,关于MFBfilter介绍的非常详细,在Appendix A 有关于输出噪声的分析,您可以参考下: