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Selectivity ratio and skirt selectivity

  1. Mar 18, 2010 #1
    Whar is selectivity ratio and skirt selectivity??
    what is the -30 dB point??
  2. jcsd
  3. Mar 19, 2010 #2


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    Staff: Mentor

    What is the context of your question? Is this with respect to electronic filters, or some other application?
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