The lowest frequency that an active low- pass filter can pass is
A)determined by the damping factor.
B)determined by the feedback capacitor value.
C)determined by the unity gain bandwidth of the op- amp.
D)0 Hz.

Question

Quizplus · Accepted Answer

Active low-pass filters can pass signals from 0 Hz (DC) upwards, meaning they can allow frequencies starting from 0 Hz to pass through, hence the correct answer is D.

The Lowest Frequency That an Active Low- Pass Filter Can