FCC Question Pool Review

General Class (Element 3) • 2023-2027

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Question G7C09

From subelement G7 - G7C

G7C09
Answer: B

What is the phase difference between the I and Q RF signals that software-defined radio (SDR) equipment uses for modulation and demodulation?

AZero
B90 degrees
C180 degrees
D45 degrees