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Sathyabama University B.E in Electronics and Electrical Engineering-4th Sem Analog Integrated Circuits previous years question papers

SATHYABAMA UNIVERSITY
(Established under section 3 of UGC Act, 1956)
Course & Branch: B.E - EEE
Title of the paper: Analog Integrated Circuits
Semester: IV Max. Marks: 80
PART – A (10 x 2 = 20)

Answer All the Questions
1. Define slew rate.
2. Write the different current sources.
3. Draw the circuit and waveforms for low pass & band pass filters.
4. What is Schmitt trigger?
5. Define VCO.
6. What is PLL?
7. What are the advantages of dual slope type A/D converters.
8. What is resolution of 10 bit D/A converters?
9. Define Isolation Amplifier.
10. Draw the circuit for F/V converter.
PART – B (5 x 12 = 60)
Answer All the Questions
11. Explain the various characteristics of monolithic Op-Amp & their
specifications.
(or)
12. Explain the analysis of differential amplifiers with active loads
and variations of supply voltage & temperature.
13. Derive an output equation for an instrumentation amplifier.
Explain its applications.
(or)
14. Draw with neat circuit diagram of sine wave oscillator.
15. Explain the operation of voltage controlled oscillator with neat
diagram.
(or)
16. Explain the following
(a) FSK Modulation.
(b) FSK Demodulation.
17. Explain the block diagram of single slope, dual slope type A/D
converters.
(or)
18. Explain the types of D/A converters.
19. Explain the neat block diagram of switched mode power supply.
(or)
20. Explain the astable mode of operations of 555 timers.

1. What is meant by Monolithic IC? Write its applications?
2. Define Slew rate?
3. How Op-amp used as inverter summing amplifier?
4. How Schmitt Trigger is considered as a regenerative comparator?
5. What is the significance of free running frequency in a voltage
controlled Oscillator?
6. List the important characteristics of PLL?
7. State the function of capacitor in sample and hold circuit.
8. Where the voltage to time conversion is frequently used?
9. Define thermal shut-down in IC.
10. Which are referred as low noise op-amps?
PART – B (5 x 12 = 60)
Answer All the Questions
11. (a) Analyze the amplifier function with active loads with
appropriate circuits. (8)
(b) How biasing is temperature dependent in IC function? (4)
(or)
12. What are the methods used to improve the slew rate? Explain.
13. (a) What are the limitations of an differenciator? Explain how it
will be eliminated? (8)
(b) What is the cause of output offset voltage in op-amp? (4)
(or)
14. With circuits and waveform, explain the operation of op-amp as
triangle wave Generaor and non-inverting comparator.
15. Describe the principle of operation of phase detector for IC PLL
(Phase locked – loop) with timing diagram.
(or)
16. (a) Draw the FSL (frequency shift keying) demodulator circuit
and write its applications. (8)
(b) What is the function of a frequency synthesizer? (4)
17. (a) Explain the high speed sample and hold circuit with input
and output Waveform. (9)
(b) List the names of DAC technique available. (3)
(or)
18. Draw the functional block diagram and explain the dual slope
method of A/D conversion with waveform. Write the
observations made from voltage equation.
19. Explain the operation stages of Timer with the suitable block
diagram. Write its applications.
(or)
20. (a) What is meant by an opto-coupler? Explain the function of
an opto-coupler Circuit. (8)
(b) Write a short note on noise analysis using op-amp. (4)

1. What is meant by slew rate of an Op-amp?
2. Write the ideal characteristics of Op-amp.
3. Write the operation of precision rectifier.
4. Write the concept of summing amplifier.
5. Draw the internal blocks of PLL.
6. Draw the circuit of FSK modulator.
7. Write the operation of flash type ADC.
8. Write the advantage of R-2R ladder circuit.
9. List the applications of timer.
10. Write the basic principle of switched capacitor filter.
PART – B (5 x 12 = 60)
Answer All the Questions
11. Discuss the principle of monolithic IC operational amplifier.
(or)
12. Explain the frequency compensation techniques.
13. (a) Draw the circuit of instrumentation amplifier and explain.
(b) Write the concept of V-I converter.
(or)
14. (a) Discuss the operation of antilog amplifier. (8)
(b) Write the concept of tuned amplifier. (4)
15. (a) Explain the principle of four quadrant multiplier.
(b) Write the concept of frequency synthesizer.
(or)
16. Explain the operation of voltage controlled oscillator with neat
diagrams.
17. Discuss the operation of dual slope ADC.
(or)
18. Explain the principle of sample and hold circuits.
19. Discuss the principle and applications of video amplifiers.
(or)
20. List the types of voltage regulators and explain their operation.


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Sathyabama University
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Jeppiaar Nagar,
Sholinganallur,
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Tamil Nadu 600119 ‎
044 2450 3150
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