A given FM transmitter is modulated with sinusoidal input m(t) = 9 cos 500nt volts, and the modulation index is 5.5, and the unmodulated carrier power is 10W across 520 resistive load. Determine: (a) the modulation sensitivity kf. (b) the load power. (c) The ratio of the power in the sum of the 3 and 4th order sidebands to the power in a sidebands.

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A given FM transmitter is modulated with
sinusoidal input m(t) = 9 cos 500nt volts,
and the modulation index is 5.5, and the
unmodulated carrier power is 10W acrss
520 resistive load. Determine:
(a) the modulation sensitivity kf.
(b) the load power.
(c) The ratio of the power in the sum of the 3rd
and 4th order sidebands to the power in all
sidebands.
(d) The required channel bandwidth for the
transmitted signal.
Transcribed Image Text:A given FM transmitter is modulated with sinusoidal input m(t) = 9 cos 500nt volts, and the modulation index is 5.5, and the unmodulated carrier power is 10W acrss 520 resistive load. Determine: (a) the modulation sensitivity kf. (b) the load power. (c) The ratio of the power in the sum of the 3rd and 4th order sidebands to the power in all sidebands. (d) The required channel bandwidth for the transmitted signal.
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