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G7C09:What is the phase difference between the I and Q RF signals that software-defined radio (SDR) equipment uses for modulation and demodulation?

G7C09G7C

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

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G7C09 is 90 degrees.

The key fact is 90 degrees. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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