Low pass Butterworth filters are also called as:
A. All-zero filter
B. All-pole filter
C. Pole-zero filter
D. None of the mentioned
Answer:A
Low pass Butterworth filters are also called as:
A. All-zero filter B. All-pole filter C. Pole-zero filter D. None of the mentioned
Explanation: Low pass Butterworth filters are also called as all-pole filters because it has only non-zero poles.