Radio Amateur Quiz Canadian License

EN FR

Question A-005-005-010

What is the significant bandwidth of an FM-phone transmission having a +/- 5-kHz deviation and a 3-kHz modulating frequency?

Correct Answer

16 kHz

Explanation

Carson's Rule for FM bandwidth (BW) ≈ 2 × (Peak Deviation + Max Modulating Frequency). BW ≈ 2 × (5 kHz + 3 kHz) = 2 × 8 kHz = 16 kHz.

Warning: Generated by AI