Modulation

What is the deviation ratio for an FM phone signal having a maximum frequency deviation of plus or minus 5 kHz and accepting a maximum modulation rate of 3 kHz?

Answer

1.66

Deviation ratio = max deviation / max modulating frequency = 5 kHz / 3 kHz = 1.66.

Source: FCC Element 3 question pool, 3H

Not the answer

  • 60
  • 0.6
  • 0.16

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