Exam Details
| Subject | electronic circuits | |
| Paper | ||
| Exam / Course | b.e.(electronics and instrumentation engineering) | |
| Department | ||
| Organization | SETHU INSTITUTE OF TECHNOLOGY | |
| Position | ||
| Exam Date | May, 2017 | |
| City, State | tamil nadu, pulloor |
Question Paper
Reg. No.
B.E. B.Tech. DEGREE EXAMINATION, MAY 2017
Third Semester
Electronics and Communication Engineering
01UEC304 ELECTRONIC CIRCUITS
(Regulation 2013)
Duration: Three hours Maximum: 100 Marks
Answer ALL Questions.
PART A (10 x 2 20 Marks) 1. What is Bias? What is the need for biasing? 2. Define Stability factor. 3. Define Miller's Theorem. 4. Draw the Circuit diagram of Darlington type amplifier.
5. Define Gain Bandwidth Product.
6. Draw the high frequency equivalent circuit of FETs. 7. What is meant by cross over distortion? 8. List the applications of MOSFET power amplifier? 9. What do you mean by tuned amplifiers?
10. Define Sensitivity.
PART B x 16 80 Marks)
11. With the help of neat diagram, explain methods used in biasing the FET and MOSFET.
Question Paper Code: 31434
2
31434
Or Write short note on Method of Stabilizing the Q-point. Bias Compensation.
12. Derive the expressions for the following of a small signal transistor amplifier in terms of the h-parameters Current gain ii) Voltage gain iii) input impedance iv) output admittance. Or Discuss in detail the methods of increasing input impedance using Darlington connection and Bootstrapping.
13. Explain in detail with neat diagram frequency response of BJT amplifier. Discuss the significance of cut off frequencies and Bandwidth of the amplifier. Or Derive the expression for frequency response of multistage amplifier and discuss the significance of cut off frequencies of the amplifier.
14. Explain the working of complementary symmetry class B push pull amplifier. What are its merits, demerits and applications? Or Derive the expression for efficiency of class A audio power amplifier. Describe in detail about its working principle with neat diagram.
15. Explain voltage shunt feedback amplifiers. Or
Explain in detail about single tuned amplifier.
B.E. B.Tech. DEGREE EXAMINATION, MAY 2017
Third Semester
Electronics and Communication Engineering
01UEC304 ELECTRONIC CIRCUITS
(Regulation 2013)
Duration: Three hours Maximum: 100 Marks
Answer ALL Questions.
PART A (10 x 2 20 Marks) 1. What is Bias? What is the need for biasing? 2. Define Stability factor. 3. Define Miller's Theorem. 4. Draw the Circuit diagram of Darlington type amplifier.
5. Define Gain Bandwidth Product.
6. Draw the high frequency equivalent circuit of FETs. 7. What is meant by cross over distortion? 8. List the applications of MOSFET power amplifier? 9. What do you mean by tuned amplifiers?
10. Define Sensitivity.
PART B x 16 80 Marks)
11. With the help of neat diagram, explain methods used in biasing the FET and MOSFET.
Question Paper Code: 31434
2
31434
Or Write short note on Method of Stabilizing the Q-point. Bias Compensation.
12. Derive the expressions for the following of a small signal transistor amplifier in terms of the h-parameters Current gain ii) Voltage gain iii) input impedance iv) output admittance. Or Discuss in detail the methods of increasing input impedance using Darlington connection and Bootstrapping.
13. Explain in detail with neat diagram frequency response of BJT amplifier. Discuss the significance of cut off frequencies and Bandwidth of the amplifier. Or Derive the expression for frequency response of multistage amplifier and discuss the significance of cut off frequencies of the amplifier.
14. Explain the working of complementary symmetry class B push pull amplifier. What are its merits, demerits and applications? Or Derive the expression for efficiency of class A audio power amplifier. Describe in detail about its working principle with neat diagram.
15. Explain voltage shunt feedback amplifiers. Or
Explain in detail about single tuned amplifier.
Subjects
- advanced sensor
- analog circuits
- analog communication
- analytical instruments
- antenna and wave propagation
- application of instrumentation in aerospace and navigation
- applied digital signal processing
- biomedical instrumentation
- circuit theory
- communication engineering
- computer architecture and organization
- control engineering
- data communication and networks
- data structures and algorithm analysis
- data structures and algorithms
- digital communication
- digital electronics
- digital electronics and design
- digital image processing
- digital signal processing
- electrical circuits and networks
- electrical machines
- electrical measurements
- electromagnetic fields
- electronic circuits
- electronic measurements and instrumentation
- embedded and real time systems
- environmental monitoring instruments
- environmental science and engineering
- fibre optics and laser instruments
- high speed networks
- industrial data networks
- industrial electronics
- industrial instrumentation – ii
- industrial instrumentation-i
- information theory and coding
- instrumentation for power plants
- instrumentation system design
- laser and fiber optics instrumentation
- linear control engineering
- linear integrated circuits and applications
- logic and distributed control systems
- microprocessors and interfacing
- microprocessors microcontrollers and applications
- microwave engineering
- mobile ad-hoc networks
- modern electronic instrumentation
- nano electronics
- numerical methods
- optical communication and networks
- principles of electrical machines
- probability and random processes
- process control instrumentation
- project management and finance
- qualitative and quantitative aptitude
- real time embedded systems architecture
- reliability and safety engineering
- robotics and automation
- satellite communication principles and applications
- sensors and transducers
- signals and systems
- thermodynamics and fluid mechanics
- transforms and partial differential equations
- transmission lines and waveguides
- value education and human rights
- vlsi design
- vlsi system design
- wireless communication systems
- wireless sensor networks