Exam Details
| Subject | Opto Electronics Communication Systems | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 2
B.Tech. -VlEP -ELECTRONICS AND
COMMUNICATION ENQINEERING
(BTECVI)
009l Term-End Examination Decelilb$r, 2016
BIEL-=-008 OPTO ELECTRONiCS
COMMUNICATION SYSTEMS
Time .. 3 hours Maximum Marks:
Note: Attempt any seven, questions. All questions carry equal marks. Missing data, if any, may be suitably assumed. Use of scientific calculator is permitted.
1. Discuss briefly about linearly polarized modes. Also mention the advantages of optical fiber communication systems. 10
2. Explain the material dispersion with relevant diagram and expressions.
3. What are the losses On signal attenuation mechanisms in a fiber? Explain in detail. 10
4. Why is direct band-gap material used for manufacturing LEDs Also compare an LED with a LASER diode. 10
5. Describe the basic principle of light detection in a p-n photodiode. What are the limitations of a p-n photodiode? 10
6. Explain the principle of operation of Erbium doped fiber amplifiers. 10
7. Derive the equation of signal-to-noise ratio of an analog optical receiver. 10
8. Compare the intermodal dispersion in multimode step index fiber and graded index fiber. 10
9. A-given Avalanche photodiode has a quantum efficiency of 65% at a wavelength of 900 nm. If 0.5 mW of optical power produces a multiplied photocurrent of 10 mA, find the multiplication M. 7
What is number of fiber or normalized frequency of fiber? 3
10. Write short notes on any two of the following: 2x5=10 Self Phase Modulation Raman Amplifier Concept of Sensitivity and Quantum Efficiency
B.Tech. -VlEP -ELECTRONICS AND
COMMUNICATION ENQINEERING
(BTECVI)
009l Term-End Examination Decelilb$r, 2016
BIEL-=-008 OPTO ELECTRONiCS
COMMUNICATION SYSTEMS
Time .. 3 hours Maximum Marks:
Note: Attempt any seven, questions. All questions carry equal marks. Missing data, if any, may be suitably assumed. Use of scientific calculator is permitted.
1. Discuss briefly about linearly polarized modes. Also mention the advantages of optical fiber communication systems. 10
2. Explain the material dispersion with relevant diagram and expressions.
3. What are the losses On signal attenuation mechanisms in a fiber? Explain in detail. 10
4. Why is direct band-gap material used for manufacturing LEDs Also compare an LED with a LASER diode. 10
5. Describe the basic principle of light detection in a p-n photodiode. What are the limitations of a p-n photodiode? 10
6. Explain the principle of operation of Erbium doped fiber amplifiers. 10
7. Derive the equation of signal-to-noise ratio of an analog optical receiver. 10
8. Compare the intermodal dispersion in multimode step index fiber and graded index fiber. 10
9. A-given Avalanche photodiode has a quantum efficiency of 65% at a wavelength of 900 nm. If 0.5 mW of optical power produces a multiplied photocurrent of 10 mA, find the multiplication M. 7
What is number of fiber or normalized frequency of fiber? 3
10. Write short notes on any two of the following: 2x5=10 Self Phase Modulation Raman Amplifier Concept of Sensitivity and Quantum Efficiency
Other Question Papers
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Subjects
- Advance Microprocessor And Architecture
- Analog And Mixed Mode Vlsi Design
- Analog Communication
- Analog Electronic Circuits
- Analog Integrated Circuits Design
- Antennas And Propagation
- Applied Electronics
- Audio and Video Engineering
- Basic Telematics
- Basics Of Electronics Engineering
- Bio Informatics
- Circuits and Networks
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Data Structures
- Device Modelling For Circuit Simulation
- Digital Communication
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Dip- ECE PCB Design & Testing
- Electromagnetic Field Theory
- Electronic Measurement And Instrumentations
- Electronic Measurement and Instruments
- Electronic Product Design
- Electronic Switching Circuits
- Embedded System Design
- Industrial Electronics
- Information Theory And Coding
- Linear Integrated Circuits
- Maintenance Of Electronic Equipment
- Micro Controller
- Micro Controllers
- Microelectronics Technology
- Microprocessor
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Modeling And Testing Of Digital Systems
- Multirate Systems
- Nano - Electronics
- Optical Fiber Communication
- Opto Electronics Communication Systems
- Power Electronics
- Principles of Communication Engineering
- Quantum Communication
- Rf Circuits
- Satellite And Tv Engineering
- Signal Compression
- Signals And Systems
- Technical English
- Television Engineering
- Wireless Communication