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Bandwidth of Bandstop Filter

Question asked by SDFGSDFGSDF on Apr 10, 2007

Using the data display, I would like to compute the n-dB insertion loss bandwidth of a bandstop filter.

Using the equation
B = bandwidth_func(dB(S(2,1)),10,1)
returns the 10-dB bandwidth with respect to the peak insertion loss. That is, if say the peak IL is 32 dB, it will return the bandwidth between the lower and upper 22 dB IL points.

However, I would like to know the bandwidth between the 10 dB points relative to the 0 dB line.

Any help is appreciated.