EE2203 Electronic Devices and Circuits May June 2014 Question Paper

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Question Paper Code : 51433 
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014. 
Third Semester 
Electrical and Electronics Engineering 
EE 2203/EE 35/080280018/10133 EE 305 A — ELECTRONIC DEVICES AND CIRCUITS 
(Regulation 2008/2010) 
(Common to PPEE 2203 — Electronic Dévices and Circuits for B.E. (Part-Time) 
Second Semester Electrical and Electronics Engineering and Computer Science and Engineering — Regulation 2009) 

Time : Three hours 
Maximum : 100 marks 
Answer ALL questions. 
PART A — (10 x 2 = 20 marks) 
1.Relate voltage and current of forward biased pn junction diode. 
2.Differentiate LED and LCD. 
3.What are the operating modes of BJT with reference to junctio iasing? 
4.What are opto-couplers and list its applications. 
5.Draw the drain characteristics of .FET and indicate portant operating 
regions. 
6.Compare BJT, FET and MOSFET. 
7.Define CMRR of differential amplifier. 
8.State the conditions to obtain sustained oscillations in oscillator circuit? 
9.What is meant by hysteresis in Schmitt trigger? 
10.Mention few applications of multi-vibrators. 

Full Name :Arumugam.P
College Name :SNS College of Technology
Department :EEE
Semester :03
Subject Code :EE2203
Subject Name :Electronic Devices and Circuits
Study Material Description :aaru edition 2014 QP

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