Active Filters - General Questions (4)

The gain of the multiple-feedback band-pass filter above is equal to which of the following? Assume C = C₁ = C₂.

A ________ filter significantly attenuates all frequencies below f_c and passes all frequencies above f_c.

Filters with the ________ characteristic are useful when a rapid roll-off is required because it provides a roll-off rate greater than –20/dB/decade/pole.

A ________ filter rejects all frequencies within a specified band and passes all those outside this band.