Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (EEE)- Electrical And Electronics Engineering 2020 December 3rd Sem 76464 Analog Electronics Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (Electrical & Electronics / Electronics & Electrical) (2018 Batch)
(Sem.?3)
ANALOG ELECTRONICS
Subject Code : BTEEE-302-18
M.Code : 76464
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.
Define Slew Rate.
2.
What is maximum collector efficiency of transformer coupled Class A power amplifier?
3.
Open loop gain of amplifier is 60000 and closed loop gain with negative feedback is 300. If
there is 10% distortion without feedback, calculate distortion with feedback.
4.
Draw VI characteristics of BJT.
5.
Differentiate between D-MOSFET and E-MOSFET.
6.
What is meant by Gain Bandwidth Product?
7.
What is Faithful Amplification?
8.
Draw High Frequency model of MOSFET.
9.
A transformer coupled Class A large signal amplifier has maximum and minimum values
of collector emitter voltage of 25 V and 2.5 V. Determine its collector efficiency.
10. What is the use of the heat sink in power amplifiers?
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SECTION-B
11. Discuss the methods to improve CMRR.
12. Mention the features and advantages of the wein bridge oscillator.
13. Prove that Maximum conversion efficiency of Class A transformer coupled amplifier is
50%.
14. Discuss the MOSFET characteristics in depletion mode.
15. Discuss the factors involved in the selection of IC, RC and RE for a single stage common
emitter BJT amplifier circuit, using voltage divider bias.
SECTION-C
16. What are Active Filters? Explain any two.
17. Compare the performance characteristics of three BJT configurations.
18. Derive the expression for voltage gain of differential amplifier with two op-amps.
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 13 February 2021