Sunday, October 9, 2016

EE2254 Linear Integrated Circuits and Applications Nov Dec 2012 Question Paper

Anna University Chennai
Question Paper Code: 11366
B.E/B.Tech DEGREE EXAMINATION NOVEMBER / DECEMBER 2012
Fourth Semester
Electrical and Electronics Engineering
EE2254 - LINEAR INTEGRATED CIRCUITS AND APPLICATIONS
(Common to Instrumentation and Control Engineering and Electronics and Instrumentation Engineering)
(Regulation 2008)

Note: New Subject Code in R-2013 is EE6303

Answer ALL Questions
PART A — (10 × 2 = 20 Marks)
1. What is ion implantation? Give its advantages.
2. Why inductors are difficult to fabricate in integrated circuits?
3. Design a subtractor using op-amp.
4. Define CMRR.
5. What are the applications of peak detector?
6. Why active filters are preferred?
7. In a astable multivibrator using 555 timer RA =6.8 kΩ, RB =3.3 kΩ,C=0.1 μF. Calculate the free running frequency.
8. Why Vco is called voltage to frequency converter?
9. What is an isolation amplifier?
10. Name the various protection circuits used for voltage regulators.

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