Download GTU BE/B.Tech 2019 Summer 6th Sem New 2162410 Industrial Communication System Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem New 2162410 Industrial Communication System Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2162410 Date:18/05/2019
Subject Name:Industrial Communication System
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Define Modulation. List out the advantages of modulation. 03
(b) Clearly define each of the following terms:
(1) Bit rate (2) baud rate (3) Communication (4) Bandwidth
04
(c) (1) Explain the Power relation of the AM wave with necessary
mathematical analysis.
(2) Calculate the maximum bit rate for a channel having bandwidth
3.1KHz and signal to noise ratio of 10dB.
07

Q.2 (a) Draw the AM waveforms for with 100% modulation and with 0%
modulation.
03
(b) Explain in details about PWM. 04
(c) List out Modulation index measurement methods. Explain any one
with necessary circuit & suitable waveforms.
07
OR
(c) Compare FSK, ASK and PSK in all tabular forms. 07
Q.3 (a) Explain in brief communication modes. 03
(b) Compare Synchronous and asynchronous transmission. 04
(c) Write a detailed note on: satellite communication. 07
OR
Q.3 (a) Explain in brief the UART receiver. 03
(b) Sketch the transmitted sequence of pulses for RZ and NRZ for
Sequence of pulses: 01010011110
04
(c) Write a technical note on : Network Topologies. 07
Q.4 (a) An Amplifier has a Noise figure of 3dB. calculate its equivalent
noise temperature(assume T0=23?C).
03
(b) Explain the troubleshooting serial data communication circuit. 04
(c) Write a detailed note on Suppression techniques. 07
OR
Q.4 (a) Explain in brief HART protocol. 03
(b) List the benefits of FIELDBUS and DEVICE NET system. 04
(c) Explain the theory of operation of fiber-optic cables. List the
limitations of fiber-optic cables.
07
Q.5 (a) Explain in brief about USB. 03
(b) Differentiate balanced and unbalanced transmission lines? 04
(c) What is the protocol? Explain TCP/IP. 07
OR
Q.5 (a) Explain in brief sources of Noise. 03
(b) Explain RS-232 interface standards. 04
(c) List MODBUS functions. Explain message format, synchronization
and memory notation of MODBUS protocol.
07
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