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:
- What is amplitude modulation? Explain its
generation.
- Explain DSBSC with its generation.
- What is super heterodyne receiver?
- With the help block diagram explain working of automatic frequency control unit.