EC > GATE 2025 > Analog Modulation
Consider a frequency-modulated (FM) signal
f(t)=Accos(2πfct+3 sin(2πf1t)+4 sin(6πf1t)).
where Ac and fc are, respectively, the amplitude and frequency (in Hz) of the carrier waveform. The frequency f1 is in Hz, and assume that fc>100f1.
The peak frequency deviation of the FM signal in Hz is
f(t)=Accos(2πfct+3 sin(2πf1t)+4 sin(6πf1t)).
where Ac and fc are, respectively, the amplitude and frequency (in Hz) of the carrier waveform. The frequency f1 is in Hz, and assume that fc>100f1.
The peak frequency deviation of the FM signal in Hz is
Correct : a
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