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Anna University
B.E./B.Tech. DEGREE EXAMINATION, May /June 2014.
Electronics and Communication Engineering
6th Semester
May /June 2014 Examination
Question Paper
EC2351/EC61/10144 EC 602-Measurements and Instrumentation
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ANNA UNIVERSITY SYLLABUS: CLICK HERE
Part A
1. Define the term error.
2. List the various dynamic characteristics of a measurement system.
3. Enumerate the salient features of true RMS value.
4. Differentiate the digital storage oscilloscope with the analog oscilloscope.
5. Write short notes on wave analyzer.
6. Give the importance of R, L, C measurements.
7. What is meant by automatic ranging?
8. Define the term Virtual instrument.
9. How do you measure the power loss in a fiber optic measurement system?
10. What is meant by reflectometer?
Part B
11 a) Explain in detail about the various statistical measurement analysis techniques.(16)
Or
b) Discuss about the following measurement techniques.
1] Maxwell Bridge(8)
2] Anderson Bridge(8)
12 )a) Explain the following(16)
1)Q meter.
2) Vector meter.
Or
b)Explain the following
1) Delayed time base oscilloscope(8)
2) Cathode ray oscilloscope(8)
13) a)Explain in detail about RF signal generators and sweep generators.(16)
Or
b) Explain in detail about the frequency synthesizer and harmonic distortion analyzer.(16)
14) a)Describe in detail about the digital voltmeter , multimeter and frequency counter.(16)
Or
b) Describe in detail about the computer controlled test systems with suitable examples.(16)
15)a)Write short notes on the following (16)
1) Interfacing of transducers with DAS.
2) Data loggers.
Or
b) Write short notes on the following (16)
1)IEEE488 Bus.
2) Digital data acquition system
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