Tilak Maharashtra Vidyapeeth 2008 Diploma Electronics and Communication - Question Paper

Sub: Linear Integrated Circuits (ET-402,4th Semester Paper) Total Marks:80
examination Date 30-12-2008

Q.1 ans The subsequent (Any 10) [20 marks]

1.What is open & closed loop configuration.
2.Draw pin configuration for 741 op-amp.
3.Define Slew rate
4.Define filter.
5.What is lock range in PLL.
6.Define IC.
7.Give Properties of Ideal op-amp.
8.Draw non-inverting amplifier.
9.List advantages of IC's.
10.Define input bias current.
11.Draw graph for band pass filter.
12.Define Differential gain.

Q.2 ans The subsequent (Any 4) [16 marks]

1.Draw pin diagram of IC 565.
2.Give applications of IC 555.
3.Explain open & closed loop configuration of OP-Amp.
4.Give Classification of IC's.
5.Draw transfer characteristics of OP-Amp.

Q.3 ans The subsequent (Any 4) [16 marks]

1.Explain op-amp as subtractor.
2.Draw and discuss block diagram of op-amp.
3.Draw the circuit of monostable multivibrator and waveforms using op-amp.
4.Draw functional diagram of 555 timer.
5.Explain Zero Crossing detector with waveforms.

Q.4 Write short note (Any 2) [12 marks]

1.Wein Bridge Oscillator.
2.Triangular Wave Generator using op-amp.
3.PLL as frequency multiplier.
4.Band pass filter.

Q.5 ans The subsequent (Any 2) [16 marks]

1.Explain Astable multivibrator using op-amp.
2.Explain phase detector.
3.Give features,pin diagram of 555 IC.
4.Explain With neat block diagram principle of operation of PLL.

Earning:   Approval pending.