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DU-160
M.Sc. IVth Semester (CBCS) Examination, 2021
Electronics
Paper - ET-402
Microwave and Optical Communication
[Maximum Marks : 60

Note :- All questions from each section carry equal marks. All questions are compulsory and answer limit are approximately 250 words. Start the answer of each section from new page. Maximum limit of pages of answer booklet are approximately 16 pages. Answer should be written by the student in his/her own handwriting mandatory. The first page of answersheet should be download by the student from university website is mandatory.

1.

Explain GaAs Oscillator?

2.

What do you mean by klystron oscillators?

3.

Explain attenuators in detail?

4.

Define phase shift in detail?

5.

Describe the principal of optical communication?