Download PTU B.Tech 2020 March ECE 4th Sem EC 305 Linear Integrated Circuits Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech ECE (Electronics And Communications Engineering) 2020 March 4th Sem EC 305 Linear Integrated Circuits Previous Question Paper

1 | M-57521 (S2)-2715
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (ECE) (Sem.?4,5)
LINEAR INTEGRATED CIRCUITS
Subject Code : EC-305
M.Code : 57521
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Answer all the questions :
a. Draw the op-amp block diagram.
b. Explain SVRR.
c. Explain slew rate.
d. Explain ( MRR in OP-AMP.
e. Draw the non- inverting op-amp circuit diagram.
f. Define the terms linearity and accuracy of A/D convertors.
g. List down the characteristics of ideal OP-AMP.
h. What is the main advantage of constant current bias over emitter bias in differential
amplifiers'?
i. Define input-bias current in OP-AMP.
j. Define capture range and lock-in range of a PLL.
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1 | M-57521 (S2)-2715
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (ECE) (Sem.?4,5)
LINEAR INTEGRATED CIRCUITS
Subject Code : EC-305
M.Code : 57521
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Answer all the questions :
a. Draw the op-amp block diagram.
b. Explain SVRR.
c. Explain slew rate.
d. Explain ( MRR in OP-AMP.
e. Draw the non- inverting op-amp circuit diagram.
f. Define the terms linearity and accuracy of A/D convertors.
g. List down the characteristics of ideal OP-AMP.
h. What is the main advantage of constant current bias over emitter bias in differential
amplifiers'?
i. Define input-bias current in OP-AMP.
j. Define capture range and lock-in range of a PLL.
2 | M-57521 (S2)-2715
SECTION-B
2. Describe the Frequency Compensation techniques used in operational amplifier.
3. Explain the operation of ideal integrator using IC 741.
4. Draw the block diagram of averaging amplifiers and explain its operation in detail.
5. Explain the operation of 1
st
order low pass filter along with circuit diagram.
6. Explain the operation of a grounded load V to I converter using op-amp.

SECTION-C
7. Explain triangular wave generator.
8. Explain the working of Schmitt trigger.
9. Write short notes on following
a. Wein bridge oscillator
b. Summing and scaling amplifier








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page of Answer Sheet will lead to UMC against the Student.
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