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What is the significant bandwidth of an FM-phone transmission having a +/- 5-kHz deviation and a 3-kHz modulating frequency?
16 kHz
Carson's Rule for FM bandwidth (BW) ≈ 2 × (Peak Deviation + Max Modulating Frequency). BW ≈ 2 × (5 kHz + 3 kHz) = 2 × 8 kHz = 16 kHz.
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