21. Filters with the ________ characteristic are useful when a rapid roll-off is required because it provides a roll-off rate greater than –20/dB/decade/pole.
(a) Butterworth (b) Chebyshev (c) Bessel (d) Either Chebyshev or Bessel
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
5555555555 42. Filters with the ________ characteristic are used for filtering pulse waveforms. (a) Butterworth (b) Chebyshev (c) Bessel (d) Neither Chebyshev nor Bessel
5555555555 43. Filters with the ________ characteristic provide a very flat amplitude in the passband and a roll-off rate of –20 dB/decade/pole. (a) Butterworth (b) Chebyshev (c) Bessel (d) Either Chebyshev or Bessel