Exam Details
| Subject | integrated circuits applications | |
| Paper | ||
| Exam / Course | b.tech | |
| Department | ||
| Organization | Institute Of Aeronautical Engineering | |
| Position | ||
| Exam Date | November, 2018 | |
| City, State | telangana, hyderabad |
Question Paper
Hall Ticket No Question Paper Code: AEC008
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
B.Tech V Semester End Examinations (Regular) November, 2018
Regulation: IARE R16
INTEGRATED CIRCUITS APPLICATIONS
Time: 3 Hours (Common to ECE EEE) Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Define CMRR and derive the expression for CMRR.
For a dual input, balanced output differential amplifier, RC 2.2k
RE 4.7 k
RS1 RS2
50
. The supply voltages are ±10 V. the hfe for the transistor is 50. Assume silicon transistors
and hie 1k
. Determine the operating point values, differential mode gain, common mode gain
and CMRR.
2. What is Input Bias Current and explain how can it be reduced?
With the help of neat diagrams explain about pole zero compensation technique.
UNIT II
3. Explain the operation of Log Amplifier using IC741.
Design an Op-amp circuit to give an output VO (3V1+2V2+0.1V3) for Rf 10 k
assume
necessary data for R1, R2, R3.
4. Design a Practical differentiator at 2KHz. Assume necessary data for Rf and Cin
With the help of neat circuit diagram and waveform explain the operation of Monostable Multivibrator
using IC741.
UNIT III
5. Draw the 1st order low pass filter using op-amp and derive the expression for higher cut-off
frequency.
Design a wide band reject filter having fh 400 Hz and fl 2kHz having pass band gain as 2.
Draw the circuit and corresponding frequency response.
Page 1 of 2
6. With the help of circuit diagram and waveform, explain the working of IC 555 Timer as Monostable
multivibrator and derive an expression for pulse width.
Design a Notch filter using Op-Amp at 300 Hz.
UNIT IV
7. Explain the following types of digital to analog converters with suitable circuit diagrams.
R-2R Ladder DAC
Inverted R-2R DAC
Draw the circuit diagram for flash type ADC and explain in detail.
8. Explain the types of digital to analog converters with suitable circuit diagrams for Binary
Weighted Resistor DAC.
With a neat block diagram explain in detail about successive approximation type analog to digital
converter.
UNIT V
9. Design a 4-bit ripple carry adder and explain its working function.
Design a 4-bit synchronous up-down counter using JK flip-flop.
10. With the help of truth table explain about IC74X85.
Explain the operation of 4 bit serial in seriel out shift register with the help of functional table.
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
B.Tech V Semester End Examinations (Regular) November, 2018
Regulation: IARE R16
INTEGRATED CIRCUITS APPLICATIONS
Time: 3 Hours (Common to ECE EEE) Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Define CMRR and derive the expression for CMRR.
For a dual input, balanced output differential amplifier, RC 2.2k
RE 4.7 k
RS1 RS2
50
. The supply voltages are ±10 V. the hfe for the transistor is 50. Assume silicon transistors
and hie 1k
. Determine the operating point values, differential mode gain, common mode gain
and CMRR.
2. What is Input Bias Current and explain how can it be reduced?
With the help of neat diagrams explain about pole zero compensation technique.
UNIT II
3. Explain the operation of Log Amplifier using IC741.
Design an Op-amp circuit to give an output VO (3V1+2V2+0.1V3) for Rf 10 k
assume
necessary data for R1, R2, R3.
4. Design a Practical differentiator at 2KHz. Assume necessary data for Rf and Cin
With the help of neat circuit diagram and waveform explain the operation of Monostable Multivibrator
using IC741.
UNIT III
5. Draw the 1st order low pass filter using op-amp and derive the expression for higher cut-off
frequency.
Design a wide band reject filter having fh 400 Hz and fl 2kHz having pass band gain as 2.
Draw the circuit and corresponding frequency response.
Page 1 of 2
6. With the help of circuit diagram and waveform, explain the working of IC 555 Timer as Monostable
multivibrator and derive an expression for pulse width.
Design a Notch filter using Op-Amp at 300 Hz.
UNIT IV
7. Explain the following types of digital to analog converters with suitable circuit diagrams.
R-2R Ladder DAC
Inverted R-2R DAC
Draw the circuit diagram for flash type ADC and explain in detail.
8. Explain the types of digital to analog converters with suitable circuit diagrams for Binary
Weighted Resistor DAC.
With a neat block diagram explain in detail about successive approximation type analog to digital
converter.
UNIT V
9. Design a 4-bit ripple carry adder and explain its working function.
Design a 4-bit synchronous up-down counter using JK flip-flop.
10. With the help of truth table explain about IC74X85.
Explain the operation of 4 bit serial in seriel out shift register with the help of functional table.
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