STUPIDSID
Solve any one question from Q.1(a,b) &Q.2(a,b)
1(a)
Draw the construction diagram and explain working of LED.
6 M
1(b)
Explain with a neat circuit diagram, function of each compoent in single stage CE amplifier.
6 M
2(a)
In a center tapped FWR, the rms half secondary voltage is 10V. Assuming ideal diodes and load ressistance of 2kΩ, find: DC load current, ripple factor and efficiency of rectification.
6 M
2(b)
Draw and explain drain and transfer characteristics of enhancement type P-channel MOSFET.
6 M
Solve any one question from Q.3(a,b) & Q.4(a,b)
3(a)
Define Op-Amp. Draw and explain the functional block diagram of an Op-Amp.
6 M
3(b)
Write law of commutation, law of association and law of distribution for AND and OR logic function.
6 M
4(a)
Calculate output voltage 'Vo ' Op-Amp circuit shown in figure Draw I/P and O/P waveforms.
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6 M
4(b)
Draw and explain the block diagram of microprocessor.
6 M
Solve any one question from Q.5(a,b) & Q.6(a,b)
5(a)
Draw construction of DIAC and explain working with V-I characteristics.
6 M
5(b)
What is electronic weighing machine? With the help of neat block diagram explain its working.
7 M
6(a)
Define tranducer. What are the selection criteria for a good transducer?
7 M
6(b)
Draw and explain the block diagram of basic instrumentation system.
6 M
Solve any one question from Q.7(a,b) &Q.8(a,b)
7(a)
What is electronic communication system? Explain the elements of communication system with the help of neat block diagram.
7 M
7(b)
Explain different types of cables used in communication system with a neat diagrams.
6 M
8(a)
Draw neat block diagram of GSM system and explain its working.
6 M
8(b)
Define modulation index with reference to AM and FM. Write equations of modulation index. Draw AM waveform for 100% modulation case.
7 M
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