Characteristics of Butterworth filter

Q.  The magnitude response of Butterworth filter has

1) Flat stop band
2) Flat pass band
3) Tapering pass band
4) Tapering stop band
- Published on 27 Nov 15

a. 1 and 2 are correct
b. 2 and 4 are correct
c. 2 and 3 are correct
d. All the four are correct

ANSWER: 1 and 2 are correct

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