Draw the block diagram of communication system and explain each block.
[3 marks]Explain DTE and DCE equipment’s.
[4 marks]Describe frequency modulation and give its mathematical representation.
[7 marks]Explain Null Modem.
[3 marks]Describe different methods for connecting nodes in Digital Communication.
[4 marks]Enlist advantages and disadvantages of FM over AM.
[7 marks]What is the function of modulator? Explain balanced modulator with its diagram.
[7 marks]Describe Power relation in AM wave.
[3 marks]Explain RS 422 and RS 423 interface standards.
[4 marks]Explain in brief different types of noise.
[7 marks]Compare Wideband and Narrowband FM.
[3 marks]Explain FSK Modems with its block diagram.
[4 marks]List Digital Modulation Techniques. Explain ASK and PSK in Detail.
[7 marks]Discuss regarding BISYNC Protocol.
[3 marks]Explain in detail different types of light sources used in fiber-optic systems.
[4 marks]Explain Time Division Multiplexing. Also discuss about multichannel TDM system.
[7 marks]Explain basic principle of light propagation in fiber optics.
[3 marks]Explain LRC and VRC error detection method along with suitable example.
[4 marks]Explain 802.4 Token Bus.
[7 marks]Summarize different data topologies.
[3 marks]Explain Time Division Multiple Access communication system used in satellite communication.
[4 marks]Describe SONET topology and its frame.
[7 marks]Explain GEO, LEO and MEO satellites.
[3 marks]Describe various types of network interface card.
[4 marks]Explain Delta Modulation and Adaptive Delta Modulation.
[7 marks]