8/10/2019 MID-1 LDIC 2014-15

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SWARNANDHRACOLLEGE OF ENGINEERING AND TECHNOLOGY

(Approved by AICTE, Accredited by NBA, Affiliated to JNTU , KAKINADA)SEETHARAMPURAM,NARSAPUR-534280.W.G.DT.,

DEPARTMENT OF ELECTRONICS COMMUNICATION ENGINEERING

SUBJECT: LDIC Applications DATE: 18 /10/2014

CLASS: III/I B.Tech EEE A&B

UNIT-I

1. a) What are the advantages of integrated circuits? 5M

b) How ICs are classified based on scales of integration and Describe temperature ranges. 5M

2. Draw and explain the working of differential amplifier. 10M

3. Work out expressions for different parameters under DC analysis of differential amplifier. 10M

4. Work out expressions for different parameters under AC analysis of differential amplifier. 10M

UNIT-II

1. a) what is the need of Level Translator and explain. 5M

b) Why DC coupling is used in cascading of differential amplifier stages. 5M

2. Draw and explain cascade differential amplifier. 10M

3. Explain characteristics of operational amplifier. 10M

4. Draw the block diagram of operational amplifier and explain about each block. 10M

UNIT-III

1. a) Compare ideal and practical operational amplifier specifications. 5M

b) What are the types of configurations of differential amplifier and draw relevant circuits? 5M2. Define the following terms with relative expressions 5X2M

1) PSRR.

2) CMRR.

3) Slew rate.

4) Input and output offset voltage.

5) Input and output offset current.

3. Work out the expressions under DC characteristics of dual input balanced output Operational

amplifier with relevant diagrams. 10M

4. Work out the expressions under AC characteristics of dual input balanced output Operational

amplifier with relevant diagrams. 10M

UNIT-IV

1. Explain about Operational amplifier parameters. 10M

2. Write about frequency compensation technique and explain. What are the different types

of frequency compensation techniques? 10M

3. Explain dominant pole compensation technique with the help of relevant diagrams. 10M

4. a) Explain about stability specifications of Operational amplifier. 5M

b) Explain about ideal inverting and non-inverting amplifiers with relevant expressions. 5M

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