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1) Describe the principle of operation of square law modulator. Specify its benefits and drawbacks.

2) Describe the SSB_SC scheme mathematically and illustrate its frequency spectrum along with its power calculations and efficiency.

3) describe the method of generation of direct FM signal with the help of suitable diagram.

4) Describe about Armstrong frequency modulation systems with the help of neat block diagram.

5) Describe the principle and operation of the super heterodyne AM receiver with the help of neat block diagram.

6) Discuss the characteristics of the receivers in detail.

7) Describe the encoding and decoding of the PPM.

8) Define what is FDM? And describe in detail with detailed diagram. Also provide its advantages and disadvantages.

9) Deduce the expressions for noise figure, noise temperature and noise in the cascaded systems.

10) Describe about the noise in Pulse Modulation systems in detail.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M912904

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