Discussion
Why can an FM transmitter's power stage run in saturation?
Answer: B
Because amplitude carries nothing, clipping or compressing it destroys no information, so the stage can be driven hard for efficiency and the tuned output circuit restores a clean waveform. FM's bandwidth is wide rather than narrow. Its carrier is present throughout. And the deviation being small relative to the carrier is true but irrelevant to amplifier class. One property of the signal decides which amplifier classes are available, and it is worth checking that property first in any transmitter question.
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