Linear Ic Applications: Unit-1 & Unit-2 Long Answer Questions

LINEAR IC APPLICATIONS
UNIT-1 & UNIT-2 LONG ANSWER QUESTIONS.
1)What does the term “balanced output” mean?
2)Define differential amplifier?
3)What is level translator circuit?
4)List out the four differential amplifier configurations
5)What are the properties of dual input unbalanced output differential amplifier?
6)Draw the equivalent circuit for practical op amp.
7)List out AC and DC characteristics of operational amplifiers.
8)What is the purpose of Level translator in op amp?
9)What are the ideal characteristics of the op-amp?
10)Draw the configuration of single input unbalance output differential amplifier
11)Derive an expression for CMRR.
12)Define slew rate? Give typical value for 741C Op-amp.
13)Explain why an open-loop Op-amp is unsuitable for linear applications?
14)Draw the pin configuration of the IC 741C
15)Define PSRR and give its ideal and practical values
16)What are the advantages of ICs over Discrete components?
17)Draw the equivalent circuit of an ideal OP-AMP
18)Define CMRR of op-amp.
19)Define slew rate and PSRR
20)What is a Level translator?

1)Draw the circuit diagram of differential amplifier with Single input and
balanced output. Derive expressions for differential gain Ad, input resistance
Ri, and output resistance Ro.
2) Explain the concept of level translator in detail.
3) Derive the expression for voltage gain of a single input, balanced output
differential amplifier.
4) Draw the circuit diagram of two-stage differential amplifier and explain it.
5) Derive the expression for voltage gain of a dual input, unbalanced output
differential amplifier.
6) Draw the circuit diagram of level translator using emitter follower and explain
it.
7) Draw the circuit diagrams of all four differential amplifier configurations and
write the expressions for voltage gain, input resistance and output resistance.
8) Draw the circuit diagram of differential amplifier in common mode

configuration and explain it.
9) Derive the expression for input resistance and output resistance of a dual
input,
unbalanced output differential amplifier.
10) Analyze the dual input balanced output configuration of differential amplifier
using DC.
11) Write and Explain about DC coupling and cascaded differential amplifier
stages.
12) What is an Op-amp. Briefly explain the necessity and function of different
stages
of an Op-amp with respect to its block schematic.
13) Explain the DC analysis of single input unbalanced output amplifier.
14) Distinguish between AC and DC analysis in amplifiers.
15) What is the significance of level shifter?
16) Briefly explain the various types of IC packages. Mention the criteria for
selecting an IC package.
17) Discuss the features of 741 op amp.
18) Explain how to measure Offset voltage?
19) Explain about integrated circuit package types.
20) Explain the following:

i) Input offset voltage ii) Input offset current. iii) Slew rate iv) thermal drift v)
CMRR vi) PSRR vii) DRIFT viii)Output offset voltage. ix)Bias circuit.
21) Draw the high frequency model of an op-amp with single break frequency
and
analyze the open loop voltage gain as a function of frequency.
22) Draw the block diagram of a typical op-amp and explain it.
23) What is meant by an integrated circuit? Give the classification of ICs based
on
number of components integrated on the same chip.
24) What is an operational amplifier? List out the ideal characteristics of

operational amplifier.
25) What is meant by frequency compensation? Explain about pole-zero

compensation.
26) Explain about input offset voltage with a neat diagram.
27) Define Slew rate. How it effect the op-amp performance? Explain
28) Briefly explain the various types of IC packages. Mention the criteria for
selecting
an IC package.
29) With a neat sketch explain the frequency compensation using pole – zero
method.
30) Draw the generalized block diagram for the operational amplifier. Explain
each
block in detail.
31) List out the applications and temperature ranges of IC 7410 op amp.
32) Explain the Frequency Compensation techniques of op-amp in detail.
33) What is op amp? Draw the ideal and practical characteristics of op amp.
34) What are the important parameters of op amp, explain them in practical
view.
35) Describe the input offset compensating network for inverting op amp.
36) Differentiate between ideal and practical op amp specifications.
37) An op-amp has a slew rate of 2V/μs. What is the maximum frequency of an
output sinusoid of peak value 5V at which the distortion sets in due to the slew
rate limitation.
38) List out the different types of integrated circuits and their package types.
39) List out electrical characteristics of an op-amp.

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LINEAR IC APPLICATIONS

UNIT-1 & UNIT-2 LONG ANSWER QUESTIONS.

1)What does the term “balanced output” mean?

2)Define differential amplifier?

3)What is level translator circuit?

4)List out the four differential amplifier configurations

6)Draw the equivalent circuit for practical op amp.

7)List out AC and DC characteristics of operational amplifiers.

8)What is the purpose of Level translator in op amp?

9)What are the ideal characteristics of the op-amp?

10)Draw the configuration of single input unbalance output differential amplifier

11)Derive an expression for CMRR.

12)Define slew rate? Give typical value for 741C Op-amp.

13)Explain why an open-loop Op-amp is unsuitable for linear applications?

14)Draw the pin configuration of the IC 741C

15)Define PSRR and give its ideal and practical values

16)What are the advantages of ICs over Discrete components?

17)Draw the equivalent circuit of an ideal OP-AMP

18)Define CMRR of op-amp.

19)Define slew rate and PSRR

20)What is a Level translator?

2) Explain the concept of level translator in detail.

8) Draw the circuit diagram of differential amplifier in common mode

13) Explain the DC analysis of single input unbalanced output amplifier.

14) Distinguish between AC and DC analysis in amplifiers.

15) What is the significance of level shifter?

17) Discuss the features of 741 op amp.

18) Explain how to measure Offset voltage?

19) Explain about integrated circuit package types.

20) Explain the following:

24) What is an operational amplifier? List out the ideal characteristics of

25) What is meant by frequency compensation? Explain about pole-zero

26) Explain about input offset voltage with a neat diagram.

32) Explain the Frequency Compensation techniques of op-amp in detail.

36) Differentiate between ideal and practical op amp specifications.

39) List out electrical characteristics of an op-amp.

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