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
AnswerC.
20000 Hz
D.
15000 Hz
Answer: Option B
Solution
Answer: Option B
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