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ECE · Q197

Communication Systems

Engineering and GATE · ECE · question 197

Q197

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
Answer
C.
20000 Hz
D.
15000 Hz

Answer: Option B

Solution

Answer: Option B
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