Question

The cutoff frequency of the low pass Butterworth filter is the arithmetic mean of the two cutoff frequencies as found above.

(a) True

(b) False

This question was addressed to me in an interview.

The doubt is from Design of Low Pass Butterworth Filters topic in section Digital Filters Design of Digital Signal Processing

Answer 1

Correct choice is (a) True

To elaborate: The arithmetic mean of the two cutoff frequencies as found above is the final cutoff frequency of the low pass Butterworth filter.