Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January EE 3rd Sem 76382 Analog Electronics Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (EE) (2018 Batch) (Sem.?3)
ANALOG ELECTRONICS
Subject Code : BTEE-302-18
M.Code : 76382
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
1.
List the advantages and disadvantages of CC configuration of BJT.
2.
Explain the need of a clamping circuit.
3.
Comment upon the gain bandwidth product in an op-amp.
4.
What do you mean by slew rate? Explain.
5.
What do you mean by transconductance? Explain.
6.
Write down the advantages of active filters.
7.
What do you mean by current mirror? Explain.
8.
Draw and explain (in brief) the circuit for an op-amp working as integrator.
9.
What is the need of voltage regulator? Explain.
10. Why MOSFET is used for high frequency application? Explain.
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SECTION-B
11. Draw and discuss CE transistor configuration. Also draw and explain its input and output
characteristics.
12. Explain the term biasing. Why a transistor should be biased? Explain in detail the voltage
feedback biasing circuit.
13. Discuss the MOSFET structure and VI characteristics in detail.
14. Draw the circuit of an operational amplifier acting as inverting and non- inverting
amplifier. Also derive the expressions for their gain.
15. Explain the need, circuit diagram and working of direct coupled multi-stage amplifier.
SECTION-C
16. Draw the circuit diagram and explain in detail full wave rectifier and clipping circuits.
17. Explain :
i) MOSFET as an Amplifier
ii) Internal structure of an Op-amp
18. Discuss :
i) Phase shift oscillator
ii) Instrumentation Amplifier
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 26 June 2021