An angle modulated signal with carrier frequency ωc = 2π × 105 is described by the equation s(t) = 10cos(ωct + 5sin(3000πt) + 10sin(2000πt). What is the frequency deviation ∆f?
A. 12387.32 Hz
B. 17500 Hz
C. 20000 Hz
D. 15000 Hz
Answer: Option B
Related Questions on Communication Systems
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A. Space diversity
B. Frequency diversity
C. Broad band antenna
D. Directional antenna
A. A double-tuned amplifier
B. A high gain D.C. amplifier
C. A cathode follower stage
D. None of the above
A. Filter method
B. Phase cancellation method
C. Good attenuation characteristics
D. All of the above

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