ANALOG ELECTRONICS PAPER 4

DOWNLOAD ELECTRONICS ENGINEERING PREVIOUS YEARS QUESTION PAPERS B.TECH PTU
ANALOG INTEGRATED CIRCUITS (B.Tech 4th Semester,2063)

NOTE:- This paper consist of Three Sections. Section A is compulsory. Do any Four questions from
Section B and any two questions from Section C

Section-A Marks : 20

1(a) Define the term CMRR.
(b) What is the role of a compensation network in an op-amp?
(c) What do you mean by input bias current?
(d) Define supply voltage rejection ratio in an op-amp.
(e) Draw the high frequency equivalent circuit of an op-amp.
(f) Draw the circuit of a square wave generator using 741 C.
(g) What is meant by a window detector circuit?
(h) Draw the circuit of a level translator ciruit.
(i) Draw the block diagram representation of an op-amp.
(j) Draw the pin configuration of 741 I.C.

Section-B Marks:5 Each

2. Explain the working of op-amp as differentiator.
3. Explain how current to voltage convertor is obtained from an op-amp.
4. Explain the working of first order low pass butterworth filter.
5. Explain how PLC can be used as a frequency multiplier circuit.
6. Draw the circuit of D/A convertor with binary weighted resistors and explain its working principle.

Section-C Marks : 10 Each

7. Describe the working of 555 timer as astable multivibrators. Calculate the frequency of the square
wave generator if R = 5k and c = 12 pF.
8. Derive the voltage gain and input impedence of single input unbalanced differential amplifier.
9. Discuss the advantages of using op-amp in electronic circuits.