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Communication SystemsDigital Receivers

A raised-cosine pulse-shaping filter has roll-off factor alpha. The range of alpha is normally?

  • A-1 to 0
  • B0 to 1
  • C1 to 10
  • DAny negative value only
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Correct Answer: B. 0 to 1
Explanation: The raised-cosine roll-off factor is conventionally between 0 and 1, trading excess bandwidth for easier pulse shaping.
Reference: Standard communication systems: digital receivers
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