带通滤波器设计要求:50~11000hz为带通信号,放大倍数为40倍(32dB),带通外的信号需要-40dB/十倍频程的衰减。
我的设置为:中心频率:(11000-50)/2=5475 通带带宽:11000-50=10950 阻带带宽:11000*10=110000 衰减:-20dB/十倍频程。请问我的设置哪里错了?
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说明根据您的条件,设计出来要达到10阶以上,这个超出了Filter Pro的应用范围,所以报错,我用Webench试了下,出现同样的error。