Hello There, Guest! RegisterLogin with Facebook
Login with Facebook

>>> Happy Independence Day 2017 :: 20% OFF on all Premium Lecture Notes
>>> Anna University Sixth Semester Question Bank Collection (R2013) ECE,MECH,CSE,IT,EEE,CIVIL,EIE
>>> Anna University Study Materials for all Departments
>>> Anna University Question Papers : April May June 2015 Question Papers | Nov Dec 2014 and Jan 2015 Question Papers

Register or Login to Submit Study Materials , Shoutbox and also to access Many Features !!

Vidyarthiplus Shop :: Handwritten Premium Lecture Notes
Share your Study Materials with us
Share your Study Materials with us : Click Here

Anna Univ EE2203 Electronic Devices and Circuits - Nov / Dec 2013 Important Questions

Anna University
Department of Electrical and Electronics Engineering
Third Semester
EE2203 Electronic Devices and Circuits 
Nov / Dec 2013 Important Questions

(Regulation 2008) 

Unit 1
1.Draw the circuit diagram and explain the working of full wave bridge rectifier and derive the expression for average output current and rectification efficiency. 
2.With a neat diagram explain the working of a PN junction diode in forward bias and reverse bias and show the effect of temperature on its V-I characteristics.
3.Explain V-I characteristics of Zener diode
4.Derive the diode equation of the diode
5.Explain Zener diode and it’s breakdown mechanism?

Unit 2
1. Sketch neatly the circuit diagram of a CE configuration transistor, discuss its operation, characteristics and compare it with other modes of operation.
2. Derive the hybrid model of a CE Amplifier.
3. What are Power Transistors?
4. Describe the methods of determining h-parameters from its static input and output characteristics.
5. Derive the equation for efficiency of a Class B amplifier

Unit 3
1. Discuss in detail the working and operation of JFET and explain the I/O characteristics 
2. Explain the operation and Characteristics of Enhancement mode MOSFET & Depletion mode MOSFET 
3. Explain how the transconductance of a JFET varies with drain current and gate voltage characteristics and transfer characteristics 
4. In a JFET the following parameters are given, IDDS = 32Ma, VG(off) = -8V and VGS = 4.5 V. Find The values of drain current.
5.Explain the application of FET as a voltage variable resistor

Unit 4
1. Draw the block diagram of a voltage series feedback amplifier and derive the equation for input impedance, output impedance and the voltage gain. 
2. Differentiate oscillator with amplifier 
3. Draw the circuit of a Hartley oscillator and derive the condition for the frequency of oscillation.
4. Explain the working of a differential amplifier in both common and differential mode.
5. Explain the operation of any one type of oscillator in detail and give its equation.  

Unit 5
1. Draw the circuit diagram of a collector coupled astable multivibrator using complementry transistors and draw the typical wave form at base and collector coupled astable multivibrator. 
2. Explain the working and operation of a Schmitt trigger with a neat diagram. 
3. Explain the working and operation of a UJT saw tooth oscillator with a neat diagram.
 4. Explain the working and operation of a Monostable MV with a neat diagram. 
5. Explain the operation of a Bistable MV with a neat sketch.

New Share your Study Materials with us : Click Here



Recommend on Google