Suppose that the modulating signal m(t) is a sinusoid of the form m(t) = 10 cos(2πf0t) and the carrier signal C(t) is a sinusoid of the form C(t) = 4 cos(2πf0t + φ).
13. Draw the magnitude spectrum of DSB-SC.
14. Determine the bandwidth of DSB-FC.
15. Which type of AM wave can be used in broadcasting, e.g. TV?
16. According to the previous results, which type of AM is the best in respect to power transmitted and bandwidth? Justify your answers.
17. Draw the block diagram for both DSB-SC and DSB-FC with all parameters.