0000EST130121802

PART II: BASIC ELECTRONICS ENGINEERING
(2019 Scheme)

Max. Marks:50 Duration: 90 min

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PARTA
Answer all questions, each carries 4 marks.

Distinguish between active and passive electronic components with examples
for each.

Explain Avalanche breakdown?

Write a note on potential divider biasing.

Describe gain and bandwidth of an RC coupled amplifier.

Distinguish between AM and FM. (5x4=20)
PART B
Answer one full question from each module, each question carries 10 marks
Module-IV
What are the specifications of a resistor? Define any three (5)
What do you understand by depletion region? (5)
OR
Describe the colour coding of a resistor. (4)
Explain the VI characteristics of a diode with relevant sketches. (6)
Module-V
Explain the working of a full wave bridge rectifier with capacitor filter. (7)
With a neat sketch explain the block diagram of an instrumentation system. (3)
OR
Define line regulation and load regulation. (4)
Draw the circuit diagram of a CE amplifier and discuss the role of each
component used in it. (6)
Module-VI
With a neat sketch explain the basic block diagram of a GSM system. (7)
Explain the principle of an antenna. (3)
OR
Write the expression for an AM wave and comment on the bandwidth (5)
requirement and modulation index.
Explain the concept of cellular communication systems. (5)

oR

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