STUPIDSID
1 (a)
Classify the types of negative feedback & explain each in brief.
7 M
1 (b)
Draw the equivalent circuit of an opamp & explain the significance of each component.
7 M
2 (a)
Draw the circuit diagram of class B push-pull amplifier & explain its working.
7 M
Answer any one question from Q2 (b) & Q2 (c)
2 (b) (i)
What are the merits & demerits of hybrid parameters?
3 M
2 (b) (ii)
Write a short note on cross over distortion.
4 M
2 (c) (i)
Draw a neat diagram of window detector.
3 M
2 (c) (ii)
Compare different types of power transistors.
4 M
Answer any two question from Q3 (a), (b) & Q3 (c), (d)
3 (a)
Explain the working of IC555 as astable multivibrator.
7 M
3 (b) (i)
Explain the ideal voltage transfer characteristics of opamp.
3 M
3 (b) (ii)
What is the effect of negative feedback on gain & bandwidth?
4 M
3 (c)
Derive the expression for voltage gain of differential amplifier with two opamps.
7 M
3 (d) (i)
What are the requirements of an instrumentation amplifier?
3 M
3 (d) (ii)
Explain the procedure of offset voltage compensation in an opamp.
4 M
Answer any two question from Q4 (a), (b) & Q4 (c), (b)
4 (a)
Define the following
a) Pass band b) Stop band c) Attenuation d) Cut off frequency.
a) Pass band b) Stop band c) Attenuation d) Cut off frequency.
7 M
4 (b) (i)
Write a short note on Schmitt trigger circuit.
3 M
4 (b) (ii)
What are the merits & demerits of active filters?
4 M
4 (c)
With the help of neat diagram explain the circuit of voltage to current converter. Also state its applications.
7 M
4 (d) (i)
Write a short note on integrator.
3 M
4 (d) (ii)
Explain the operation of zero crossing detector.
4 M
Answer any two question from Q5(a), (b) & Q5 (c), (d)
5 (a)
Draw the block diagram of PLL system & explain the function of each block.
7 M
5 (b)
Discuss the applications of IC555.
7 M
5 (c)
Discuss the operation of LM317 voltage regulator.
7 M
5 (d)
Compare inverting amplifier & non-inverting amplifier
7 M
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