Q1: For the sinusoidaly modulated DSB/LC waveform shown in Fig. below. a- Find the modulation index. b- Sketch a line spectrum. c- Calculated the ratio of average power in the sidebands to that in the...


Q1: For the sinusoidaly modulated DSB/LC waveform shown in Fig. below.<br>a- Find the modulation index.<br>b- Sketch a line spectrum.<br>c- Calculated the ratio of average power in the sidebands to that in the carrier.<br>d- Determine the amplitude of the additional carrier, which must be added to<br>obtain a modulation index of 10%<br>D(t)<br>Ans: (a) 0.33<br>100v<br>50v<br>(b)0.055.<br>(d) 17s v.<br>-50v<br>-100v<br>

Extracted text: Q1: For the sinusoidaly modulated DSB/LC waveform shown in Fig. below. a- Find the modulation index. b- Sketch a line spectrum. c- Calculated the ratio of average power in the sidebands to that in the carrier. d- Determine the amplitude of the additional carrier, which must be added to obtain a modulation index of 10% D(t) Ans: (a) 0.33 100v 50v (b)0.055. (d) 17s v. -50v -100v

Jun 10, 2022
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