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Communication SystemsFrequency Modulation

Using Carson’s rule, an FM signal with Delta f=50 kHz and fm(max)=10 kHz occupies approximately?

  • A60 kHz
  • B100 kHz
  • C120 kHz
  • D500 kHz
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Correct Answer: C. 120 kHz
Explanation: B≈2(Delta f+fm)=2(50+10)=120 kHz.
Reference: Standard communication systems: frequency modulation
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