STUPIDSID
1 (a)
What do you mean by Input Bias current of an op-amp, How it can be measured practically. What should be its value ideally.
5 M
1 (b)
How to avoid false triggering in electronics, draw suitable diagram and explain with neat waveforms.
5 M
1 (c)
Assume that you have to use ADC with microcontroller, before using it which performance parameters of ADC you need to study.
5 M
1 (d)
What are the features of Regulator IC LM 337, Design voltage regulator using LM 337 to give output voltage of -7 volts.
5 M
1 (e)
Explain Inverting mode current amplifier circuit using op-amp.
5 M
1 (f)
What are the features of Multiplier IC 534, explain one of its application.
5 M
2 (a)
State the important ideal characteristics of an op-amp, compare it with the values of IC 741 op-amp.
10 M
2 (b)
Design a wide band reject filter having fH=400 Hz and fL=2 kHz with a pass band gain of 2, Also draw frequency response of it.
10 M
3 (a)
For the circuit shown below. Calculate the trigger points if supply voltage V=±12V, Plot the output voltage Vo if Vi is a 100 Hz triangular wave of magnitude ±10V.
10 M
3 (b)
What are the features of Instrumentation amplifier, Draw neat diagram of three op-amp instrumentation amplifier and hence derive equation of output voltage.
10 M
4 (a)
Explain the working R/2R ladder D/A converter.
10 M
4 (b)
What are the features of LM 380 Power Amplifier, explain any two applications of it.
10 M
5 (a)
Design voltage Regulator to give Vo=9V at 600 mA using IC 723.
10 M
5 (b)
Explain how IC 555 can be used as PWM.
5 M
5 (c)
Explain Precision Half wave rectifier.
5 M
6 (a)
Explain the Astable multivibrator using op-amp.
10 M
6 (b)
Explain current voltage converter using op-amp and hence state applications of it.
5 M
6 (c)
What are the features of IC 78XX. Design voltage regulator using IC 78XX for Vo=20V. (Adjustable Regulator).
5 M
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