Download GTU BE/B.Tech 2019 Winter 6th Sem New 2161704 Analog And Digital Communication Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER- VI (New) EXAMINATION - WINTER 2019

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Subject Code: 2161704 Date: 09/12/2019

Subject Name: Analog and Digital communication

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

1. Compare RS 232 standard with RS 422 [03]
2. Define: (a) Metropolitan Area (b) Noise (c) Pulse code modulation (d) Cyclic Redundancy check [07]
3. Describe V-Series modems V.34 and V.90. [03]

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4. Compare Wideband FM with narrowband FM. [04]
5. Compare synchronous and Asynchronous Data format. [07]
6. Explain phase shift keying and application of it in detail [07]
   OR
   Discuss the troubleshooting of Fiber optic [03]

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7. Explain Null Modem [04]
8. How does return to zero and non-return to zero binary data forms differ? [07]
9. Explain SDLC/ HDLC protocol with their frame format and address and control field [03]
   OR
   Give difference between Frequency Modulation and Phase Modulation [04]

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10. Explain Thermal Noise. [07]
11. Describe system network architecture and basic SNA network. [03]
12. Describe Data Topologies. [04]
13. Explain Pulse width Modulation: [07]
14. Write a short-note on data correction using longitudinal redundancy check and vertical redundancy check. [03]
    

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    OR
    Describe Power relation in AM wave. [04]
15. Explain Time division multiplexing. [07]
16. Explain Pulse code Modulation in details. [07]
17. Explain Noise figure. [07]

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18. What are the main transmit and receive block of a FSK modulator? [07]
19. Which are the main purpose of an Instrumentation and Control system in an Industrial environment? [07]
    OR
    Explain Shot Noise in details [07]
20. Write a note on optical fiber cable and how it useful in industrial communication. [07]

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