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A sinusoidally modulated ordinary AM waveform is shown below. -3 (a) Determine the modulation index. (b) Calculate the transmission efficiency. (c) Determine the amplitude

A sinusoidally modulated ordinary AM waveform is shown below. -3 (a) Determine the modulation index. (b) Calculate the transmission efficiency. (c) Determine the amplitude of the carrier which must be added to attain a modulation index of 0.3. 3.

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