Q2: An audio signal given by 15 sin(4000nt) + 20 sin(8000nt) amplitude modulated(DSB-FC) a sinusoidal carrier wave 60 sin(100,000nt) a. Derive an expression for the modulated signal. b. Find the...


Q2: An audio signal given by 15 sin(4000nt) + 20 sin(8000nt) amplitude modulated(DSB-FC) a sinusoidal<br>carrier wave 60 sin(100,000nt)<br>a. Derive an expression for the modulated signal.<br>b. Find the modulation index.<br>c. Find the spectrum of the modulated signal.<br>d. Sketch the spectrum of the modulated signal<br>e. Which type of demodulation method you propose to reconstruct the audio at receiver. Why?<br>

Extracted text: Q2: An audio signal given by 15 sin(4000nt) + 20 sin(8000nt) amplitude modulated(DSB-FC) a sinusoidal carrier wave 60 sin(100,000nt) a. Derive an expression for the modulated signal. b. Find the modulation index. c. Find the spectrum of the modulated signal. d. Sketch the spectrum of the modulated signal e. Which type of demodulation method you propose to reconstruct the audio at receiver. Why?

Jun 10, 2022
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