FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E8B06

From subelement E8 - E8B

E8B06
Answer: A

What is the deviation ratio of an FM phone signal having a maximum frequency swing of plus or minus 7.5 kHz if the highest modulation frequency is 3.5 kHz?

A2.14
B0.214
C0.47
D47