Download GTU B.Tech 2020 Winter 7th Sem 2170808 Sensor Networks And Instrumentation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION — WINTER 2020

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Subject Code:2170808 Date:25/01/2021
Subject Name:Sensor Networks & Instrumentation
Time:10:30 AM TO 12:30 PM Total Marks: 56

Instructions:

1. Attempt any FOUR questions out of EIGHT questions.

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

MARKS

Q.1 (a) Explain loading effect on sensors output. 03
(b) Explain KRC filters equations. 04

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(c) Explain with neat sketch CO2 Sensing techniques with necessary equations and graphs. 07

Q.2 (a) Explain sensors parameter. 03
(b) Explain humidity sensors in details. 04
(c) Explain Second Order Band Pass Filter in detail. 07

Q.3 (a) Explain characteristics of an Ideal OP-AMP. 03

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(b) Explain advantages of smart sensors. 04
(c) Explain Transducer Bridge Amplifier using Op-Amp with Application. 07

Q.4 (a) What is Negative Feedback? What are its advantages? 03
(b) Explain Zigbee Network. 04
(c) Explain general architecture of smart sensor. 07

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Q.5 (a) Explain Switched capacitor filter. 03
(b) Explain Temperature Sensor in detail. 04
(c) What is wireless sensor network? Explain structure of WSN in detail. 07

Q.6 (a) Explain First Order RC filters. 03
(b) Explain capacitive sensor. 04

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(c) Explain first order band-stop filter in detail and derive its equation. 07

Q.7 (a) Explain I-V converters using OP-AMP. 03
(b) Explain instrumentation amplifier using OP-AMP in detail. 04
(c) Explain Multiple Feedback filters. 07

Q.8 (a) Explain KRC filters. 03

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(b) Explain V-I converters using OP-AMP. 04
(c) Explain first order low pass filter and derive all equations with neat figure. 07

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