E8D08:What parameter evaluates distortion of an AFSK signal caused by excessive input audio levels?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E8D08 is Intermodulation Distortion (IMD).
The key fact is Intermodulation Distortion (IMD). Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.