problem 1:
Sketch the frequency spectrum of the DSB-SC wave.
problem 2:
Make a distinction between TRF and super heterodyne receiver.
problem 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.
problem 4:
prepare down the significance of Costas loop in communication system.
problem 5:
Illustrate out the significance of Mary modulations.