Observe that Eq. (17.18) can be used to find the frequencies in the passband at which
Chapter 17, Problem 17.8(choose chapter or problem)
Observe that Eq. (17.18) can be used to find the frequencies in the passband at which |T| is at its peaks and at its valleys. (The peaks are reached when the cos2 [ ] term is zero, and the valleys correspond to the cos2 [ ] term equal to unity.) Find these frequencies for a fifth-order filter.
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