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What is the usual bandwidth of a frequency-modulated amateur signal for +/- 5kHz deviation?
Between 10 and 20 kHz
Carson's rule for FM bandwidth is Bw ≈ 2 * (Δf + fm), where Δf is peak deviation and fm is max audio frequency. For 5 kHz deviation and ~3 kHz audio, Bw ≈ 2 * (5 + 3) = 16 kHz.
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