After passing the FM signal through mixer, what is the change in the frequency deviation Δ when the modulating frequency is doubled?
A. Becomes 2 Δ
B. Becomes Δ /2
C. Becomes Δ2
D. Remains unchanged
Answer:D
After passing the FM signal through mixer, what is the change in the frequency deviation Δ when the modulating frequency is doubled?
A. Becomes 2 Δ B. Becomes Δ /2 C. Becomes Δ2 D. Remains unchanged