University Of Pune Question Paper
S.E. (Instru. and Control) (Semester – II) Examination, 2011
LINEAR TECHNIQUES
(2003 Course)
Time : 3 Hours Total Marks : 100
Instructions : 1) Answer any 3 questions from each Section.
2) Answers to the two Sections should be written in
separate books.
3) Neat diagrams must be drawn wherever necessary.
4) Black figures to the right indicate full marks.
5) Use of logarithmic tables, slide rule, Mollier charts,
electronic pocket calculator and steam tables is
allowed.
6) Assume suitable data, if necessary.
SECTION – I
1. A) Enlist important characteristics of op-amp - (any 8). 8
B) How to plot frequency response of op-amp ; explain. 10
OR
2. Draw and explain practical experimental way to determine any two characteristics
of op-amp with neat circuit diagrams. 18
3. A) We want to subtract signal A from signal B using op-amp subtractor circuit.
Draw and explain circuit how to do the same. 8
B) How input voltage is converted into output current using operational amplifiers;
explain in detail any one of two types (floating load and grounded load). 8
OR
4. A) How to design a Schmitt trigger ; explain with example. 8
B) How ZCD works ; explain or explain how precision rectifier works. 8
5. A) Draw internal block diagram of IC 555 timer and explain its working. 8
B) How to design an astable multivibrater using IC - 555 ? State steps in design.
8
OR
6. A) Write a short note on IC 8038. 8
B) What is Barkhausen criteria ? Design a Wein bridge oscillator with suitable
data. 8
SECTION – II
7. Draw frequency responses of ideal low pass, high pass, band pass, band reject
filter. Also draw their practical approximate responses. 16
OR
8. A) State design steps in active low pass filter. 8
B) How to design active band pass filter ; explain. 8
9. Enlist different types of ADCs, and DACs. Explain any one technique of ADC
and DAC conversion in detail. 16
OR
10. A) What are internal components of a VCO ? Explain. 8
B) What is PLL ? What is centre frequency of a PLL ? Explain internal block
diagram of a PLL IC. 8
11. A) Draw basic voltage regulator using op-amp and explain how it regulates
load voltage. 10
B) Write a short note on IC 723. 8
OR
12. Write short notes on : 18
A) IC 78 XX
B) AD 590 or LM 334
C) LM336
____________
S.E. (Instru. and Control) (Semester – II) Examination, 2011
LINEAR TECHNIQUES
(2003 Course)
Time : 3 Hours Total Marks : 100
Instructions : 1) Answer any 3 questions from each Section.
2) Answers to the two Sections should be written in
separate books.
3) Neat diagrams must be drawn wherever necessary.
4) Black figures to the right indicate full marks.
5) Use of logarithmic tables, slide rule, Mollier charts,
electronic pocket calculator and steam tables is
allowed.
6) Assume suitable data, if necessary.
SECTION – I
1. A) Enlist important characteristics of op-amp - (any 8). 8
B) How to plot frequency response of op-amp ; explain. 10
OR
2. Draw and explain practical experimental way to determine any two characteristics
of op-amp with neat circuit diagrams. 18
3. A) We want to subtract signal A from signal B using op-amp subtractor circuit.
Draw and explain circuit how to do the same. 8
B) How input voltage is converted into output current using operational amplifiers;
explain in detail any one of two types (floating load and grounded load). 8
OR
4. A) How to design a Schmitt trigger ; explain with example. 8
B) How ZCD works ; explain or explain how precision rectifier works. 8
5. A) Draw internal block diagram of IC 555 timer and explain its working. 8
B) How to design an astable multivibrater using IC - 555 ? State steps in design.
8
OR
6. A) Write a short note on IC 8038. 8
B) What is Barkhausen criteria ? Design a Wein bridge oscillator with suitable
data. 8
SECTION – II
7. Draw frequency responses of ideal low pass, high pass, band pass, band reject
filter. Also draw their practical approximate responses. 16
OR
8. A) State design steps in active low pass filter. 8
B) How to design active band pass filter ; explain. 8
9. Enlist different types of ADCs, and DACs. Explain any one technique of ADC
and DAC conversion in detail. 16
OR
10. A) What are internal components of a VCO ? Explain. 8
B) What is PLL ? What is centre frequency of a PLL ? Explain internal block
diagram of a PLL IC. 8
11. A) Draw basic voltage regulator using op-amp and explain how it regulates
load voltage. 10
B) Write a short note on IC 723. 8
OR
12. Write short notes on : 18
A) IC 78 XX
B) AD 590 or LM 334
C) LM336
____________
0 comments:
Pen down your valuable important comments below