Physics · Communication Systems
Which of the following conditions best characterizes a narrowband Frequency Modulation (NBFM) signal?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1An infinite transmission bandwidth independent of fm
- 2A modulation index β less than 1 (typically β ≤ 1 or β << 1)✓
- 3A frequency deviation Δf much greater than the modulating frequency fm
- 4A modulation index β much greater than 10
Correct answer
A modulation index β less than 1 (typically β ≤ 1 or β << 1)
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