The center frequency of a band- pass filter is always equal to the
A)bandwidth divided by Q.
B)3- dB frequency.
C)bandwidth.
D)geometric average of the cutoff frequencies.

Question

Quizplus · Accepted Answer

The center frequency of a band-pass filter is defined as the geometric average of the lower and upper cutoff frequencies, not the arithmetic mean. This is because the filter's performance is typically analyzed on a logarithmic scale (frequency), where the geometric mean accurately represents the "center" point.

The Center Frequency of a Band- Pass Filter Is Always