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Communication SystemsAmplitude Modulation

The bandwidth of a conventional AM signal whose highest modulating frequency is 5 kHz is?

  • A2.5 kHz
  • B5 kHz
  • C10 kHz
  • D1 MHz
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Correct Answer: C. 10 kHz
Explanation: Conventional AM contains upper and lower sidebands, so bandwidth B=2fm(max)=10 kHz.
Reference: Standard communication systems: amplitude modulation
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