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AP EAMCET202319 May 2023Morning ShiftPhysicsCommunication SystemActual

A message signal of frequency 14 kHz is used to modulate a carrier of frequency 900 kHz , then the frequencies of side bands are

Options

  1. A907 kHz , 893 kHz
  2. B920 kHz , 880 kHz
  3. C914 kHz , 886 kHz
  4. D900 kHz , 914 kHz

Correct answer

C. 914 kHz , 886 kHz

Step-by-step solution

aligned & f_m=14 kHz ; f_c=900 kHz & f_c+f_m=914 ~Hz & f_c-f_m=886 ~Hz aligned

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