EE-306

MODEL PAPER

DEEE 2nd year III sem(C-16)

Subject Title: Electronics Engineering
Subject Code: EE-306

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PART-A

Answer all questions. Each carries 3 marks.

10X3=30M

1. State the need for filter and List the different types of filters?
2. State the need of DC Power Supply?
3. Draw the symbols of JFETs?
4. Draw the practical transistor CE amplifier?
5. What is biasing of the transistor amplifier ?
6. Distinguish between voltage and power amplifier?
7. Classify different type’s oscillators?
8. What is Barkausen criteria?
9. List the applications of CRO?
10. State the need for timer?

PART-B

Answer any five questions. Each carries 10 marks.

5X10=50M

11.
Explain the working principle of full wave rectifier with centre tapped transformer using P.N junction diodes with waveforms?
12.
Explain the construction, working principle and applications of JFET?
13.
Explain potential divider biasing method?
14.
a) Draw the circuit diagram of bridge rectifier using filter?
b) Classify amplifiers on the basis of frequency, function, period of Conduction?
15.
Draw and explain the function the practical transistor CE amplifier?
16.
Explain the principle of operation of two-stage RC coupled amplifier with circuit diagram?
17.
Explain the working principle of RC Phase shift Oscillator?
18.
Describe the functions of different parts of CRO?