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1. A message signal with bandwidth 10 kHz is lower sideband SSB modulated with carrier frequency fc1 = 106 Hz. The resulting signal is then passed though a narrow band frequency modulator with carrier frequency fc2 = 109 Hz. The bandwidth of the output would be





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  • By: guest on 01 Jun 2017 11.49 pm
    Bandwidth = 2Δf + 2B But for NBFM, B < 1 BW ≈ 2fm 2fc1 2 x 106 Hz.
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