Electronic Devices and Circuit Theory:: Active Filters

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

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

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

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

A. Butterworth
B. Chebyshev
C Bessel

Which filter exhibits a linear phase characteristic?

A. Bessel
B. Butterworth
C Chebyshev
D. all of the above

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