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…

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.