PTU B.Tech Electrical Engineering 6th Semester May 2019 72841 TRANSDUCERS AND SIGNAL CONDITIONING Question Papers

PTU Punjab Technical University B-Tech May 2019 Question Papers 6th Semester Electrical and Electronics Engineering (EEE)-EE-Electrical Engineering

Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (Electronics Engg.) (OE 2012 Onwards)/
(Electrical & Electronics) (OE 2013 Batch)
(Sem.?6)
TRANSDUCERS AND SIGNAL CONDITIONING
Subject Code : BTEEE-OPD
M.Code : 72841
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.




SECTION-A
1.
Answer briefly :

a. Discuss the principle of photoelectric transducer.

b. What do you mean by gauge pressure? Explain.

c. What do you mean by humidity value? Explain.

d. What do you mean by bandwidth? Explain.

e. List the limitations of operational amplifier.

f. What do you mean by term signal conditioning? Why is it required? Explain.

g. What do you mean by time division multiplexing? Explain.

h. What is the importance of S/H circuit? Explain.

i. List the advantages of digital display.

j. What do you mean by data conversion? Explain.

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SECTION-B
2.
Define a transducer. Discuss in detail the basic requirements of a transducer.
3.
Derive the expression for the closed loop gain of an operational amplifier used in

a. Inverting mode

b. Non-inverting mode
4.
Discuss frequency division multiplexing and its characteristics as applied to telemetry.
5.
Explain the different components and working of magnetic tape recorders.
6.
Discuss in detail multi-channel data acquisition system.

SECTION-C
7.
Explain the basic principles of following transducers :

a. Resistive

b. Capacitive

c. Thermoelectric

d. Piezoelectric

e. Electromechanical
8.
a. Draw and explain the circuit of a differential amplifier. Also derive the expression for

its output voltage.

b. Define telemetry. Explain the different types of channels used for telemetry.
9.
Explain the following :

a. Voltage to current converter

b. Digital input output devices
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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