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chhanndresh

What is the difference between a band reject filter and a notch filter?

  • one year ago
  • one year ago

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  1. nkamath777
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    In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels. It is the opposite of a band-pass filter. A notch filter is a band-stop filter with a narrow stopband (high Q factor).

    • one year ago
  2. chhanndresh
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    on what parameters Q relies upon? and is it true that a notch filter is a limiting case of band stop filter?

    • one year ago
  3. nkamath777
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    \[Q=\omega0/\beta \]

    • one year ago
  4. nkamath777
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    where \[\omega0\] is the central frequency

    • one year ago
  5. nkamath777
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    and beta is the band width

    • one year ago
  6. kashysud
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    band reject filter as the name suggests .. rejects a band and notch filter is used to select a particular frequency and nt a band

    • one year ago
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