Exam Details
| Subject | semiconductor devices and network theory | |
| Paper | ||
| Exam / Course | m.sc. electronics and communications | |
| Department | ||
| Organization | rayalaseema university | |
| Position | ||
| Exam Date | December, 2017 | |
| City, State | andhra pradesh, kurnool |
Question Paper
M.Sc. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2017.
First Semester
Electronics and Communications
SEMICONDUCTOR DEVICES AND NETWORK THEORY
2 21311-AA
Time 3 Hours Max. Marks 70
PART — A
(Short Answer Type questions)
Answer any FIVE questions. 6 30 Marks)
All questions carry equal marks
1. Define Kirchhoff's Laws and explain.
2. Explain varactor diode and its characteristics.
3. Explain breakdown and types of breakdown.
4. Define ABCD parameters.
5. Explain node analysis and mesh analysis.
6. Classify difference between conductors, insulators and semi-conductors.
7. Briefly explain ladder and lattice networks.
8. Explain reciprocity theorem.
PART — B
(Essay Type)
Answer FOUR questions. 10 40 Marks)
All questions carry equal marks
9. Explain in detail about direct and indirect recombination of electrons and
holes in semi-conductors.
Or
Explain in detail tunnel diode and its V-I characteristics? Mention its
applications.
10. Explain in detail about LED.
Or
Classify difference between BJT and FET? Explain in detail MOSFET and its
characteristics.
11. Explain superposition theorem.
Or
Explain Thevenin's theorem.
12. Explain in detail h-parameters. State characteristics of two-port networks.
Or
Explain Norton's Theorem.
———————
First Semester
Electronics and Communications
SEMICONDUCTOR DEVICES AND NETWORK THEORY
2 21311-AA
Time 3 Hours Max. Marks 70
PART — A
(Short Answer Type questions)
Answer any FIVE questions. 6 30 Marks)
All questions carry equal marks
1. Define Kirchhoff's Laws and explain.
2. Explain varactor diode and its characteristics.
3. Explain breakdown and types of breakdown.
4. Define ABCD parameters.
5. Explain node analysis and mesh analysis.
6. Classify difference between conductors, insulators and semi-conductors.
7. Briefly explain ladder and lattice networks.
8. Explain reciprocity theorem.
PART — B
(Essay Type)
Answer FOUR questions. 10 40 Marks)
All questions carry equal marks
9. Explain in detail about direct and indirect recombination of electrons and
holes in semi-conductors.
Or
Explain in detail tunnel diode and its V-I characteristics? Mention its
applications.
10. Explain in detail about LED.
Or
Classify difference between BJT and FET? Explain in detail MOSFET and its
characteristics.
11. Explain superposition theorem.
Or
Explain Thevenin's theorem.
12. Explain in detail h-parameters. State characteristics of two-port networks.
Or
Explain Norton's Theorem.
———————
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