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Advanced Communication System

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8
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1
answer
7.8k
views
1
answer
Draw neat block diagram of transmitter unit of mobile handset. State function of APC loop and duplexer unit in unit.
advanced communication system updated 3.9 years ago by teamques10 ★ 70k
2
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1
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3.4k
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1
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Draw block diagram of frequency synthesizer unit of mobile handset and state its function in cellular handset.
advanced communication system updated 3.9 years ago by teamques10 ★ 70k
1
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1
answer
17k
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1
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Illustrate the process of call initiation from landline telephone to cellular phone with neat timing diagram.
advanced communication system updated 3.9 years ago by teamques10 ★ 70k
0
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1
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1.4k
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1
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How amplification takes place in Avalanche photodiode (APD) used as optical detectors ?
advanced communication system updated 3.9 years ago by teamques10 ★ 70k
1
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1
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2.2k
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1
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State any six advantages and two disadvantages of fiber optics cable.
advanced communication system updated 3.9 years ago by teamques10 ★ 70k
0
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1
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5.8k
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1
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Draw frequency spectrum of optical communication with band name and its range.
advanced communication system updated 3.9 years ago by teamques10 ★ 70k
1
vote
1
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995
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1
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Distinguish between LED and LASER diode on the basis of - (i) Operating principle (ii) Switching time (iii) Spectral width (iv) Life
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
votes
1
answer
5.6k
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1
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Illustrate elastic tube splicing with neat diagram.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
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1
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3.9k
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1
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Illustrate modal dispersion loss. Where it occurs and how it can be controlled ?
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
4
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1
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20k
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1
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When the optical power launched into an 8km length of fiber is 120 microwatt the mean optical power at the fiber output is 3 microwatt. Determine
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
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1
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6.0k
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1
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Compare SMSI and MMGI fibers based on (i) Mode (ii) Refractive index profile (iii) Data rate (iv) Application
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
1
vote
1
answer
3.8k
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1
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List different types of splicing techniques. Describe any one method.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
2
votes
1
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1.8k
views
1
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State four limitations of LED as a source to optical fiber.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
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1
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2.7k
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1
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Differentiate between satellite communication and fiber optic communication. (any four points)
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
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1
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9.8k
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1
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Describe coupling losses occur in optical fiber communication with neat diagrams.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
2
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1
answer
1.5k
views
1
answer
Differentiate between single mode and multimode fiber.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
votes
1
answer
2.8k
views
1
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Differentiate between fusion splice and V-groove splice.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
votes
1
answer
17k
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1
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State and explain the characteristics of optical fibers.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
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1
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1.1k
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1
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List and explain the properties of splicing
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
votes
1
answer
821
views
1
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Compare between edge emitter and surface emitter LED
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
votes
1
answer
1.0k
views
1
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List any four types of losses in optical fibers.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
23
votes
1
answer
93k
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1
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Describe losses in optical fiber. OR List the different losses occur in optical fiber. Describe any one loss with diagram.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
1
vote
1
answer
18k
views
1
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Describe working and principle of avalanche photodiode with neat sketch. OR Draw the construction of avalanche photodiode. State its working principle.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
0
votes
1
answer
6.1k
views
1
answer
Draw the diagram of fusion splice and rigid alignment tube splice.
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
1
vote
1
answer
818
views
1
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Differentiate between LED and LASER (any eight points).
advanced communication system updated 5.7 years ago by teamques10 ★ 70k
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