Q. Derive the time domain and frequency domain representation of an AM Signal.
Q. List out and explain any four types of signal encuntered in communication system.
Q. Draw and explain about the elements of communication system in brief.
Q. The maximum deviation allowed in an FM broadcast system is 75 KHz. The modulating signal used for the case is sinusoid of 15KHz. Determine the modulation index and bandwidth of the FM signal.
Q. Explain with necessary diagram Limiter-discriminator about method of FM.
Q. Explain with neat block diagram how PLL can be used as AM detector.
Q. Write short notes on any two:
(a) Fourier Transform
(b) Merits of FM
(c) Noise in communication system
Q. Point out some of the important merits of digital communication system.
Q. Define and explain FSK signal with its relation and necessary figures.
Q. State and explain Shannons channel capacity theorem with its limitations.