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Communication SystemsFM Reception

The capture effect in FM refers to the tendency of an FM receiver to?

  • ADemodulate two equal signals perfectly at once
  • BPrefer the stronger of two signals at or near the same frequency
  • CConvert FM directly to PCM
  • DReject the stronger signal
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Correct Answer: B. Prefer the stronger of two signals at or near the same frequency
Explanation: When two FM signals compete on nearly the same channel, a sufficiently stronger signal can dominate the receiver output.
Reference: Standard communication systems: FM capture effect
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