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Lic Unit 3

The document contains a list of 25 two-mark questions and 15 descriptive questions related to Linear Integrated Circuits, covering topics such as instrumentation amplifiers, transducer bridges, log and antilog amplifiers, active filters, comparators, multivibrators, waveform generators, and ADC/DAC circuits. It aims to assess knowledge and understanding of key concepts and applications in the field of electrical and electronics engineering. The questions require both concise answers and detailed explanations with diagrams where applicable.

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44 views2 pages

Lic Unit 3

The document contains a list of 25 two-mark questions and 15 descriptive questions related to Linear Integrated Circuits, covering topics such as instrumentation amplifiers, transducer bridges, log and antilog amplifiers, active filters, comparators, multivibrators, waveform generators, and ADC/DAC circuits. It aims to assess knowledge and understanding of key concepts and applications in the field of electrical and electronics engineering. The questions require both concise answers and detailed explanations with diagrams where applicable.

Uploaded by

monishaasouthiri
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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GOVERNMENT COLLEGE OF ENGINEERING ERODE

DEPARTMENT OF ELECTRICAL AND ELECTRONICS


LINEAR INTEGRATED CIRCUITS
25 Two-Mark Questions:

1. What is an instrumentation amplifier?

2. Mention two applications of instrumentation amplifiers.

3. Define a transducer bridge.

4. What is the purpose of a log amplifier?

5. Define an anti-log amplifier.

6. Write the basic equation for an analog multiplier.

7. What is an analog divider?

8. State the difference between first-order and second-order active filters.

9. What is the cut-off frequency in filters?

10. Define a comparator.

11. What is the purpose of a zero-crossing detector?

12. What is a multivibrator? Name its types.

13. Define an astable multivibrator.

14. Define a monostable multivibrator.

15. What is the role of a waveform generator?

16. What is a clipper circuit?

17. What is a clamper circuit?

18. What is a peak detector?

19. Define sample and hold (S/H) circuit.

20. What is the main function of a D/A converter?

21. Differentiate between R-2R ladder and weighted resistor type DACs.

22. What is quantization in A/D conversion?

23. Define resolution in the context of ADCs.

24. What is the function of an op-amp in ADC and DAC circuits?

25. What is the significance of feedback in op-amp-based circuits?


✅ 15 Big (Descriptive) Questions:

1. Explain the working of an instrumentation amplifier with a neat diagram and derive its gain.

2. Describe the operation of a transducer bridge and how it interfaces with an instrumentation
amplifier.

3. With circuit diagrams, explain the working of a log amplifier and an antilog amplifier.

4. Design an analog multiplier using op-amps and explain its operation.

5. Explain the design and working of an analog divider using op-amps.

6. Derive the transfer function of a first-order active low-pass filter and discuss its frequency
response.

7. Explain the working of a second-order active band-pass filter with its characteristics.

8. What is a comparator? Design an op-amp comparator and explain with waveforms.

9. Explain the operation of astable and monostable multivibrators using op-amps or timer ICs.

10. Describe the working of a triangular waveform generator using op-amps.

11. Explain the working of clipper and clamper circuits with suitable diagrams and input-output
waveforms.

12. What is a peak detector? Explain its working with a practical circuit.

13. With a block diagram and circuit, explain the working of a sample and hold circuit.

14. Compare weighted resistor and R-2R ladder DACs. Derive output equations.

15. Explain any two types of A/D converters using op-amps in detail with timing diagrams and
advantages.

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