Posted Date: 05 Jul 2016      Posted By:: Krishna Teja Yeluripati    Member Level: Gold  Points: 3 (Rs. 3)

# 2014 Acharya Nagarjuna University B.Tech 2nd Year - 2nd Semester - Bapatla Engineering College - Electronic Circuits I - June 2014 Question paper

 Course: University/board: Acharya Nagarjuna University

Do you want the previous question papers of Electronic Circuits I - Bapatla Engineering College - B.Tech? This is the original question paper from the B.Tech second year second semester exam conducted by Bapatla Engineering College in June 2014. Feel free to make a copy and use it to prepare for your upcoming exams.

II/IV B.Tech Degree Examinations, June 2014

Second Semester

Electronic Circuits I

Time : 3 hours

Maximum Marks : 60

Answer ONE question from each Unit

1. Briefly explain following [12 x 1 = 12M]
a) Define Millers theorem.
b) What are the advantages of h-parameters?
c) Draw the low frequency small signal model of FET.
d) Explain Higher -order harmonic distortion.
e) What is the efficiency of class A amplifier?
f) What are the advantages of push pull power amplifier?
g) Draw the circuit diagram of current series feedback amplifier
h) Classify the amplifiers.
i) What is the significance of negative feedback?
j) Define ripple factor.
k) What are the Barkhusen conditions for oscillations?
l) Draw the circuit diagram of Colpitt's oscillator.

UNIT - I [1 x 12 = 12M]

2. a) Analyze the single stage transistor amplifier using h-parameters.
2. b) Explain the operation of emitter follower. (OR)
3. a) For the emitter follower with R6=1 K Ohm and R1=5 K Ohm. Determine the various characteristic parameters by assuming h-parameters as hfe=75, hie=1.1 K, hoe=25μA/v.
3. b) Explain the operation of cascade transmitter amplifier.

UNIT - II [1 x 12 = 12M]

4. a) Show the class B push pull amplifier exhibit half wave symmetry.
4. b) Explain about transformer coupled class A power amplifier. (OR)
5. a) Explain the working of class A power amplifier.
5. b) Explain the working of class B push pull amplifier and explain their operation.

UNIT - III [1 x 12 = 12M]

6. a) Enumerate the effect of negative feedback on the various characteristics of the amplifier.
6. b) Draw the circuit diagram of a voltage series feedback and derive the expression for input and output resistances. (OR)
7. What are the various feedback amplifier and explain them.

UNIT - IV [1 x 12 = 12M]

8. a) Explain the working of Wein bridge oscillator using BJT also derive the expression of frequency of oscillations.
8. b) Explain the full wave rectifier with necessary expressions. (OR)
9. a) Derive the frequency oscillation of RC phase shift oscillator and explain the circuit.
9. b) How the diode acts as a rectifier?

### Related Question Papers:

• Bapatla Engineering College - Data Structures using C - B.Tech - Semester 4 - January 2014

• Signals and Systems - Bapatla Engineering College - B.Tech - Semester 4 - January 2014

• B.Tech - Semester 3 - Network Analysis and Synthesis - Bapatla Engineering College - June 2014

• B.Tech - Semester 3 - Bapatla Engineering College - Electrical Technology - June 2014

• Bapatla Engineering College - Electromagnetic Field Theory - B.Tech 2nd Year - Semester 1 - June 2014

• ### Categories

Submit Previous Years University Question Papers and make money from adsense revenue sharing program

Are you preparing for a university examination? Download model question papers and practise before you write the exam.

 Join Group

Top Contributors
TodayLast 7 Daysmore...