Diploma in ECE Study Material | ADVANCED COMMUNICATION SYSTEMS Unit 3 | Yuvasallinfo
Diploma in ECE Study Material | ADVANCED COMMUNICATION SYSTEMS Unit 3 | Yuvasallinfo
ADVANCED COMMUNICATION SYSTEMS Study Material, Diploma Study Material given Below:
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34051 ADVANCED COMMUNICATION SYSTEMS
Unit-3 Syllabus
OPTICAL COMMUNICATION
Optical Communication System – Block Diagram – Advantages Of Optical Fiber Communication Systems – Principles Of Light Transmission In A Fiber Using Ray Theory – Single Mode Fibers, Multimode Fibers – Step Index Fibers, Graded Index Fibers (Basic Concepts Only) – Attenuation In Optical Fibers – Absorption Losses, Scattering Losses, Bending Losses, Core And Cladding Losses Optical Sources – LED – Semiconductor LASER – Principles – Optical Detectors – PIN And APD Diodes – Connectors – Splices – Couplers – Optical Transmitter – Block Diagram – Optical Receiver – Block Diagram – Application Of Optical Fibers – Networking, Industry And Military Applications.

Important 2 Marks
1. What is light pipe?
2. Mention any two advantages of optical fiber
3. Mention any two disadvantages of optical fiber.
4. Define critical angle
5. What is step index fiber?
6. What is step index fiber?
7. Define multimode fiber
8. Define single mode fiber
9. Mention the types of fibers
10. Define attenuation in fibers
11. Mention the various types of absorption losses
12. Mention the various types of scattering losses
13. Define bending losses
14. Mention the various light sources used in fiber optic communications
15. State the different types of light detectors used in fiber optic communication
16. Define splice and connector in optical fibers
17. Mention the various types of the fiber splicing techniques
18. Mention the various types of connectors
19. State the advantages of butter jacket
20. What is coupler
21. State the different types of coupler
22. Mention the various applications of optical fiber.
Important 3 Marks
1. State the advantages of optical fiber communication system
2. State the disadvantages of optical fiber communication system
3. Explain the effects of lights rays in optical fiber
4. State the difference between single mode fiber and multimode fiber
5. Define losses in fiber and mention its types
6. Define scattering losses and mention its types
7. Explain core and cladding losses
8. Define connectors and splices and mention its types
9. Define coupler and mention the various types of couplers
10. Explain networking in optical fibers
Important 10 Mark Questions
1. (a) with the block diagram explain optical communication system
(b) explain absorption losses
2. (a) Explain the needs and advantages of optical fiber
(b) Explain scattering losses
3. (a) Explain the principles of lights transmissions in a fiber using ray theory
(b) Explain bending losses
4. (a) Explain single mode fiber and multimode fiber
(b) With the diagrams explain any two applications of optical fiber
5. (a) Explain single mode step index fiber and graded index fiber
(b) Explain attenuations in fiber
6. (a) Explain the various types of losses in fibers
(b) Draw the block diagram of optical receiver and explain its operation
7. (a) With the diagram explain LED optical sources
(b) Explain the various types of connectors used in optical fibers
8. (a) Explain LASER with diagram
(b) Explain the various types of couplers used in optical fibers
9. (a) Explain PIN photo diode with diagram
(b) Explain the various types of couplers used in optical fibers
10. (a) Explain APD with diagram
(b) With the block diagram explain optical transmitter
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