Which filter has the fastest possible roll-off in the transition region,but has a rippled passband and a rippled stopband?
A) Butterworth
B) Chebyshev
C) Bessel
D) elliptic

Question

Quizplus · Accepted Answer

The elliptic filter has the fastest possible roll-off in the transition region compared to the other options. However, it does have a rippled passband and stopband. In some applications, this may not be acceptable, but if a fast roll-off is required, then the elliptic filter is the best choice.

Which Filter Has the Fastest Possible Roll-Off in the Transition