Q3: A sinusoidally modulated AM waveform is shown below, Determine: 1. Peak amplitude of the upper and lower side frequencies. 2. Peak amplitude of the unmodulated carrier. 3. The modulation index and it is percentage.

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Q3: A sinusoidally modulated AM waveform is shown below,
Determine:
1. Peak amplitude of the upper and lower side frequencies.
2. Peak amplitude of the unmodulated carrier.
3. The modulation index and it is percentage.
4. The total power and the power efficiency.
5. Plot the frequency and the power spectrum of the modulated signal if the
frequency of the carrier and the modulating signal are 2MHz and 15KHz
respectively.
12
6
0
-6
-12 T
Transcribed Image Text:Q3: A sinusoidally modulated AM waveform is shown below, Determine: 1. Peak amplitude of the upper and lower side frequencies. 2. Peak amplitude of the unmodulated carrier. 3. The modulation index and it is percentage. 4. The total power and the power efficiency. 5. Plot the frequency and the power spectrum of the modulated signal if the frequency of the carrier and the modulating signal are 2MHz and 15KHz respectively. 12 6 0 -6 -12 T
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