Ii acquire knowledge of various resistive and

II. Acquire knowledge of various resistive and inductive transducers and sensors.
III. Have understanding of various capacitive and thermal sensors.
IV. Understand fundamentals of various magnetic sensors and other miscellaneous sensors.
Unit I: Introduction
Principle of sensing & transduction, Difference between sensors and transducers, Classification of
transducers, Basic requirement of transducers, Static characteristics, Dynamic characteristics; Zero,
first order and second order transducers, Response to impulse, step, ramp and sinusoidal inputs
Unit II: Mechanical and Electromechanical Sensors
Resistive (potentiometric type): Forms, material, resolution, accuracy, sensitivity. Strain gauge: type,
materials, sensitivity, gauge factor, variation with temperature, adhesive, rosettes. Inductive sensor,
LVDT: Construction, material, output input relationship, I/O curve; Proximity sensor.
Unit III: Capacitive Sensors
Variable distance-parallel plate type, variable area- parallel plate, serrated plate/teeth type and
cylindrical type, variable dielectric constant type, calculation of sensitivity; Stretched diaphragm type:
microphone, response characteristics; Piezoelectric element: piezoelectric effect, charge and voltage
co-efficient
Unit IV: Thermal Sensors
Material expansion type: solid, liquid, gas & vapor, Resistance change type: RTD materials, tip sensitive
& stem sensitive type, thermister material, shape, ranges and accuracy specification; Thermoemf
sensor: types, thermoelectric power, general consideration
Unit V: Magnetic and other Miscellaneous Sensors
Sensor based on Villari effect for assessment of force, torque, proximity, Wiedemann effect for yoke
coil sensors, Thomson effect, Hall effect. Radiation sensors: LDR, Photovoltaic cells, photodiodes,
photo emissive cell; Geiger counters, Scintillation detectors, Pyroelectric type. Introduction to smart
sensors, Fiber optic sensors, Film sensors, MEMS, Nano sensors and Digital transducers.
Recommended Books
1. Patranabis. D, Sensors and Transducers, Prentice Hall of India
2. H. K. P. Neubert, Instrument transducers, Oxford University press.
3. A. K. Sawhney, A Course in Electrical and Electronics Measurements and Instrumentation, Dhanpat
Rai & Co.
4. S. Renganathan, Transducer Engineering, Allied Publishers.
5. Murthy D.V.S, “Transducers and Instrumentation”, Prentice Hall of India

B.Tech. Electronics & Communication Engineering (ECE) Study Scheme and Syllabus 2019 and onwards
Board of Studies Electronics & Communication Engineering, Main Campus, IKGPTU Kapurthala
47 | P a g e
UC-BTEC-901C-19
Credits L T P Int Ext
SATELLITE COMMUNICATION
3 3 0 0 40 60
Course Objectives
This course presents the fundamentals of satellite communications link design and an in-depth
knowledge of practical considerations. After going through this course they will have better
understanding of unique challenges of designing, developing and operating satellite communications
systems.