Revised Regulation- 2008

Reg. No:

(A)

SRI RAMAKRISHNA ENGINEERING COLLEGE, COIMBATORE

AUTONOMOUS EXAMINATIONS - APR / MAY 2013

B.E / B.TECH / B.Sc / MCA / M.E

B.E VIII SEMESTER

SUBJECT CODE 07AD405 - SUBJECT NAMELINEAR INTEGRATED CIRCUITS

Answer ALL questions

Duration: 3 HoursMaximum: 100 Marks

PART - A(10 x 2 = 20 Marks)

1.What are the basic processes involved in fabricating ICs using planar technology?

2.What is metallization?

3.List out the ideal characteristics of OP-AMP?

4.Define thermal drift

5.List the features of instrumentation amplifier:

6.What is a Bistable multivibrator?

7.What are the applications of 555 Timer?

8.Define lock range.

9.Define line regulation.

10.Mention the advantages of opto-couplers:

PART - B(5 x 16 = 80 Marks)

11.a)Explain the fabrication steps of epitaxial growth , masking and etching of16

Monolithic ICs

(OR)

b)Explain the realization of resistors in integrated circuits.16

12.a)Explain the AC characteristics of ideal OP- AMP.16

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(OR)

b)i)Explain the operation of voltage shunt feedback amplifier and derive for8

its voltage gain

ii)Explain the operation of OP-AMP as summing amplifier.8

13.a)i)Explain the operation of instrumentation amplifier with neat circuit8

diagram.

ii)Design and explain the operation of positive and negative clipper for the8

required output voltage.

(OR)

b)i)Explain the operation of successive approximation analog to digital and16

integration type A/D converter.

14. a) i) Draw the functional block diagram and explain the construction of16

555timer square wave generator.

(OR)

b)i)Explain the operation of voltage controlled oscillator.

ii)What are the types of analog multipliers and explain the operation of IC

15. a)i)Design the circuit for the regulated output voltage using LM723voltage8

regulator.

ii)Draw the block diagram of LM 380 power amplifier.8

(OR)

b)i)Draw the functional block diagram of ICL 8038 function generator and8

explain its operation.

ii)Explain the operation of OPTO COUPLER and Mention its applications.8

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