EC6404 LIC Important Questions
Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6404 LIC Important Questions for all 5 units are provided below. Download link for ECE 4th SEM EC6404 LINEAR INTEGRATED CIRCUITS Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.
EC6404 LIC Important Questions  
UNIT I BASICS OF OPERATIONAL AMPLIFIERS  
Part A 

Q.No

Questions

BT Level

Competence

1.

Describe offset voltage of an operational amplifier

BTL 1

Remember

2.

Define CMRR.

BTL 1

Remember

3.

Explain the concept that what do you mean by balanced and unbalanced output?

BTL 2

Understand

4.

What is an ideal op‐amp?

BTL 1

Remember

5.

Explain thermal drift?

BTL 1

Remember

6.

Write short note about current mirror with magnification.

BTL 1

Remember

7.

Describe slew rate and what causes the slew rate?

BTL 1

Remember

8.

State loading effect? How can you reduce it?

BTL 2

Understand

9.

Why do we use Rcomp resistor?

BTL 2

Understand

10.

What is the gain cross over and phase cross over frequencies?

BTL 2

Understand

11.

Categorize the characteristics of an ideal op‐amp.

BTL 3

Apply

12.

Give the internal block diagram of an op‐amp.

BTL 3

Apply

13.

Draw the pin diagram of IC 741.

BTL 3

Apply

14.

Mention the importance of input off set current.

BTL 4

Analyze

15.

Write note about input bias current.

BTL 4

Analyze

16.

Analyze the draw backs of using large RC in differential amplifier.

BTL 4

Analyze

17.

Brief the necessity of active loads preferred than passive loads in the input stage of an operational amplifier.

BTL 5

Evaluate

18.

Justify that, why IC741 op‐amp not used for high frequency applications?

BTL 5

Evaluate

19.

Calculate the maximum distorted amplitude that a sine wave input of 10kHz, can produce at the output of an op‐amp whose slew‐rate is 0.5v/μsec.

BTL 6

Create

20.

A Differential amplifier has a differential voltage gain of 2000 and

BTL 6

Create

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