Filters with the ________ characteristic provide a very flat amplitude in the passband and a roll-off rate of –20 dB/decade/pole.

Question: One important application of a state-variable ________ filter with a summing amplifier is to minimize the 60 Hz “hum” in audio systems. [A]. low-pass [B]. high-pass [C]. band-pass [D]. band-stop Answer: Option D Explanation: No answer description available for this question.

Question: A ________ filter passes all frequencies within a band between a lower and an upper critical frequency and rejects all others outside this band. [A]. low-pass [B]. high-pass [C]. band-pass [D]. band-stop Answer: Option C Explanation: No answer description available for this question.

Question: 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]. Butterworth [B]. Chebyshev [C]. Bessel Answer: Option B Explanation: No answer description available for this question.

Question: A ________ filter rejects all frequencies within a specified band and passes all those outside this band. [A]. low-pass [B]. high-pass [C]. band-pass [D]. band-stop Answer: Option D Explanation: No answer description available for this question.

Question: A ________ filter significantly attenuates all frequencies below fc and passes all frequencies above fc. [A]. low-pass [B]. high-pass [C]. band-pass [D]. band-stop Answer: Option B Explanation: No answer description available for this question.

Question: Identify the frequency response curve for a low-pass filter. [A]. a [B]. b [C]. c [D]. d Answer: Option C Explanation: No answer description available for this question.