Overmodulation:
A) is undesirable because it produces sideband splatter.
B) results when the modulation index exceeds unity.
C) causes the AM signal to become distorted so that the receiver cannot produce a clean replica of the original intelligence signal.
D) all of the above.

Question

Quizplus · Accepted Answer

Overmodulation is undesirable for all the reasons listed: it produces sideband splatter, occurs when the modulation index exceeds unity, and causes the AM signal to become distorted, preventing the receiver from producing a clean replica of the original signal.