8/8/2019 EC-II 11Marks (Q Only) [Unit 1 to 5]

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Question Bank(11 marks)

Unit-1

1.Explain the classification of amplifiers in detail?

2.Explain the block diagram of the Feedback amplifier in detail?

3. Explain the advantages and the disadvantages of the Negative

Feedback?

4.Explain the four basic topologies of the feedback amplifiers?

5.Explain the Gain with Feedback?

6.Explain the Cut-Off frequency and the Bandwidth of the

feedback amplifier?

7.Derive the Input and Output resistance of the Voltage series

feedback amplifiers?

8.Explain the Input and Output resistance of the Voltage shuntfeedback amplifier?

9. Explain the Input and Output resistance of the Current shunt

Feedback amplifier?

10. Derive the Input and Output Resistance of the Current

Series Feedback amplifier?Unit-2

1.Derive the expression for Gain with feedback?

2.Explain the BarkHausen Criterion in detail?

3.Explain the Nyquist criterion for stability of amplifier?

4. What is the Classification of Oscillators?5.Explain the RC phase shift Oscillator in detail?

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6.Explain the Weinbridge Oscillator in detail?

7.Explain the transistorized Weinbridge Oscillator in detail?

8.Compare the RC Phase Shift oscillator with the WeinBridge

Oscillator?

9.Explain the Hartley Oscillator (RF Oscillator) in Detail?

10.Explain the FET Hartley Oscillator using OP-amp?

11.Design the Hartley Oscillator using OP-amp?

12.Explain the transistorized Colpitts Oscillator?

13.Explain the Frequency Stability of the Oscillator?

14.Explain Crystal Oscillator in detail?

Unit-3

1.Explain the features of power amplifier?

2.Explain Class A amplifier?3.Explain Class B amplifier?

4.Explain the Class C amplifier?

5.Explain the Class AB in detail?

6.Explain Transformer coupled Class A amplifier?

7.Explain the Harmonic Distortion?8.Expalin the Push Pull Class B amplifier?

9.Compare Push Pull amplifier and Complementary class B

amplifier?

10.Explain quasi complementary push pull amplifier?

11.Explain complementary Symmetry Class B amplifier?Unit-4

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1.Explain parallel resonant circuit?

2.Explain Single Tuned Amplifier?

3.Explain Stagger Tuned Amplifier?

4.Compare single,double and Stagger tuned amplifier?

5.Explain Double Tuned amplifier in detail?

6.Explain the Single Tuned Capacitive coupled Tuned

Amplifier?

7.Explain Transformer Coupled amplifier?

8.Comparison between RC, Direct and Transformer Couped

Amplifiers?

9.What is Hazeltine Neutralization?

10.Explain Neutrodyne neutralization?

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Unit 5

1.Explain the Astable Multivibrator in detail?

2.Explain Monostable multivibrator in detail?

3.Explain Schmitt trigger in detail?

4.Explain the Bistable multivibrator?

5.What is a Transistor Constant Current Sweep?

6.Explain BootStrap Sweep Circuit in detail?

7.Explain Miller Sweep Circuit in detail?

8.Explain the UJT Sawtooth Generator?

9. Explain the clipper circuits in detail?

10.Explain the clamper circuit in detail?