Question 1:
Sketch the frequency spectrum of the DSB-SC wave.
Question 2:
Make a distinction between TRF and super heterodyne receiver.
Question 3:
A carrier is frequency modulated with the sinusoidal signal of 2 KHz, resulting in maximum frequency deviation of the 5KHz.Find out the bandwidth of the modulated signal.
Question 4:
Write down the significance of Costas loop in communication system.
Question 5:
Illustrate out the significance of Mary modulations.