Saturday, 9 March 2013

COMMUNICATION ENGINEERING utu previous year question papers

communication eng.
sem 4th
utu previous year question paper

Time: 3 hours
Total marks: 100
Note: Draw diagrams and waveform wherever needed.

Attempt any three:
  1. What is amplitude modulation? Explain its generation.
  2. Explain DSBSC with its generation.
  3. What is super heterodyne receiver?
  4. With the help block diagram explain working of automatic frequency control unit.