ads仿真弹出的错误,是啥意思

your impedance of BPF.CMP1 was wrong,
so you must to check that impedance

Leave the filter order at zero and specify the parameters characterizing the behavior of the filter, per the illustrations below. Given these specifications, the program will calculate and report filter order N which meets these specifications. Because N must be an integer, the calculated order N exceeds the specifications in most cases. N is capped at the upper value of 15. For Chebyshev filters, the calculated filter order N must be an odd number to ensure filter symmetry.

Chebyshev 滤波器的阶数必须是奇数， 否则滤波器做不出来因为不对称。
最好将阶数设为0， 让ADS 根据滤波器指标自己决定阶数

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