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MU Electronics and Telecom Engineering (Semester 3)
Electronic Instruments and Measurements
December 2011
Electronic Instruments and Measurements
December 2011
Attempt any FOUR from the following
1 (a)
Explain various sources of errors in measurement system
5 M
1 (b)
Piezo electric effect and its application.
5 M
1 (c)
Application of Network Analyser.
5 M
1 (d)
An 8 bit ADC outputs all 1's when Vi=5.1 volts find its (i) Resolution and (ii) Digital output when Vi=1.28 volts.
5 M
1 (e)
Give construction details of lumped parameter delay line.
5 M
1 (f)
What are objectives of Data Acquisition System?
5 M
2 (a)
Explain phase shift keying with block diagram. State its advantage and disadvantage.
10 M
2 (b)
With the help of block diagram explain DC Power supply. Also explain constant voltage mode and constant current mode.
5 M
3 (a)
Differentiate Sensors and Transducers, and state five examples of each
5 M
3 (b)
Explain frequency selective Analyzer and state applications of wave analyzer
5 M
4 (a)
Explain R-2R ladder type digital to analog convertor. State its advantages.
10 M
4 (b)
Explain digital storage oscilloscope with suitable block diagram.
10 M
5 (a)
Explain one of the type of photoelectric transducer. State its application.
10 M
5 (b)
What are different types of telemetry system? And explain any one.
10 M
6 (a)
What do you mean by universal counter? Explain and state its advantage.
10 M
6 (b)
Find the bandwidth of a CRO if a single having 17 microsecond rise time is displaced with 21 microseconds rise time on tne CRO.
10 M
write shorts notes (any four)
7 (a)
Q-meter
5 M
7 (b)
Significance of 3-1/2 and 4-1/2 Digit
5 M
7 (c)
Automatic test system
5 M
7 (d)
Specification of spectrum analyzer.
5 M
7(e )
Automation in digital instruments.
5 M
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