UNIT BASED ONLINE EXTERNAL EXAMINATION - OCTOBER – 2020 - ANALOG ELECTRONICS - 7BPH5C1 - SLOT II

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ALAGAPPA UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - OCTOBER – 2020
FIFTH SEMESTER SLOT – II

ANALOG ELECTRONICS 7BPH5C1

Total Marks: 25                                                                                           Time: 1.0 Hrs

SECTION A - Short Answer -  5 x 2 = 10 Marks

Answer All The Questions

1. Draw  a diagram of  a typical DC load line. Note Saturation and Cut-Off Points on it.

2. Define input impedance of a CE amplifier.

3. Define bandwidth.

4. Mention the applications of direct coupled CE amplifier.

5. How a power amplifier differs from a small signal amplifier.

SECTION B - Descriptive Type -  3 x 5 = 15 Marks

Answer Any Three Questions

6. Discuss the fixed base bias method of biasing a transistor.

7. Explain the AC load line analysis of an amplifier in CE mode.

8. Describe the construction and working of a transformer coupled amplifier. List its' advantage,disadvantages and applications.

9. Explain the operation of push-pull amplifier with neat circuit diagram.

10. Explain the construction and working of Hartley oscillator.