Active Filters Questions and Answers

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Showing 10 of 26 questions
Q1
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
Q2
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
  • D [NIL]
Answer: Option B
Q3
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
Q4
The bandwidth in a ________ filter equals the critical frequency.
  • A low-pass
  • B high-pass
  • C band-pass
  • D band-stop
Answer: Option A
Q5
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
Q6
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
  • D [NIL]
Answer: Option B
Q7
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
Q8
The bandwidth in a ________ filter equals the critical frequency.
  • A low-pass
  • B high-pass
  • C band-pass
  • D band-stop
Answer: Option A
Q9
Filters with the ________ characteristic are used for filtering pulse waveforms.
  • A Butterworth
  • B Chebyshev
  • C Bessel
  • D [NIL]
Answer: Option C
Q10
Which filter exhibits a linear phase characteristic?
  • A Bessel
  • B Butterworth
  • C Chebyshev
  • D all of the above
Answer: Option A

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