Anna University , Chennai
Question Paper Code : 51438
B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014.
Electrical and Electronics Engineering
EE 2254/ EE 45/EC 1260/080280028/10133 EE 405 — LINEAR INTEGRATED CIRCUITS AND APPLICATIONS
(Common to Instrumentation and. Control Engineering and Electronics and Instrumentation Engineering)
(Common to PTEE 2254—Linear Integrated Circuits and Applications for B.E. (Part —Time)—Third Semester —Electronics and Instrumentation Engineering— Regulation 2009)
Time : Three hours
Full Name :Arumugam.P
College Name :SNS College of Technology
Subject Code :EE2254
Subject Name :LINEAR INTEGRATED CIRCUITS AND APPLICATIONS
Study Material Description :aaru edition 2014
Maximum : 100 marks
Answer ALL questions.
PART A — (10 x 2 20 marks)
1.List out the reaction compounds and doping hydrides used in Chemical Vapour Deposition?
2.What is Ion Implantation? Why it is preferred over diffusion process?
3.Draw the frequency response characteristic of an AC Integrator and indicate the part where it behaves as a True Integrator.
4.State the causes for Slew rate in an operational amplifier? How it is-indicated?
5.Synthesise a circuit using Operational Amplifier to obtain the following Characteristic curve. Assume the slope between the limits as unity.
6.Why integrating type ADCs are preferably used for DC and slow varying Signals?
7.Why invariably a. suitable value of capacitor is connected to the pin 5 of 555 Timer applications?
8. Draw the block diagrammatic representation of a frequency multiplier using PLL?
9. State the need for protection diodes in voltage regulators based on LM 317 regulator?
10. State the need and advantages of Isolation Amplifiers?
EE2254 LIC May June 2014 QP.pdf (Size: 958.88 KB / Downloads: 1,530)
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