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MU Electronics and Telecom Engineering (Semester 3)
Electronic Instruments and Measurements
December 2012
Electronic Instruments and Measurements
December 2012
Attempt any FOUR from the following
1 (a)
Classify Transducers
5 M
1 (b)
Explain the Significance of Rise time and bandwidth of CRO.
5 M
1 (c)
True RMS meter is always specified by Crest Factor. Justify.
5 M
1 (d)
Compare different types of ADCs.
5 M
1 (e)
On what principle does a digital frequency meter operate?
5 M
1 (f)
State advantages and disadvantages of landline telemetry
5 M
2 (a)
Compare following temperature transducers with respect to their characteristics, measurement range, applications:RTD, Thermocouple and Thermistors
10 M
2 (b)
What is the basic principle of wave analyser? Explain heterodyne wave analyser.
10 M
3 (a)
What is the role of time base generator? What are time base requirements?
10 M
3 (b)
Explain principle of operation of dual slope type DVM
10 M
4 (a)
Explain the significance of 3-1/2 and 4-1/2 digit displays 3-1/2 Digit Display:
10 M
4 (b)
Explain modulation methods used for R.F. telemetry systems
10 M
5 (a)
Explain modes of operation of DSO
10 M
5 (b)
Write a note on Applications of Q meter
10 M
6 (a)
How is displacement measured? State the different transducers for displacement measurement.
10 M
6 (b)
Explain Performance characteristics of D/A converters
10 M
7 (a)
Explain Pulse Code Modulation Technique
10 M
7 (b)
Explain different types of Measurement Errors with Frequency Counter
10 M
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