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For a narrowband band-pass filter with center frequency 10 kHz and bandwidth 500 Hz, the quality factor is approximately?

  • A5
  • B10
  • C20
  • D50
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Correct Answer: C. 20
Explanation: For a narrowband band-pass filter, Q≈f0/BW=10000/500=20.
Reference: Standard analog electronics: band-pass Q
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