Electronics Engineering · Analog Communication
What effect does a higher modulation index (under 100%) have on the amplitude of an Amplitude Modulated (AM) waveform?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It decreases the total transmitted power of the signal.
- 2It only affects the carrier frequency of the modulated signal.
- 3It increases the peak-to-peak variation amplitude of the modulated signal's envelope.✓
- 4It has no effect on the envelope of the signal.
Correct answer
It increases the peak-to-peak variation amplitude of the modulated signal's envelope.
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