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sensors and signal conditioning

Semester :  VI

Course Code : 18EC652

CIE Marks : 40                       SEE Marks : 60

DSS Full Notes

SENSORS and SIGNAL CONDITIONING
18EC652

SYLLABUS

Module-1

Introduction to sensor based measurement systems:
General concepts and terminology, sensor classification, primary sensors, material for sensors, microsensor technology, magnetoresistors, light-dependent resistors, resistive hygrometers, resistive gas sensors, liquid conductivity sensors (Selected topics from ch.1 & 2 of Text)

Module-2

Reactance Variation and Electromagnetic Sensors: –Capacitive Sensors, Inductive Sensors, Electromagnetic Sensors.
Signal Conditioning for Reactance Variation Sensors-Problems and Alternatives, ac Bridges Carrier Amplifiers, Coherent Detection, Specific Signal Conditioners for Capacitive Sensors, Resolver-to-Digital and Digital- to—Resolver Converters.

Module-3

Self-generating Sensors-Thermoelectric sensors, piezoelectric sensors, pyroelectric sensors, photovoltaic sensors, electrochemical sensors.

Module-4

Digital and intelligent sensors-position encoders, resonant sensors, sensors based on quartz resonators, SAW sensors, Vibrating wire strain gages, Vibrating cylinder sensors, Digital flow meters.

Module-5

Sensors based on semiconductor junctions –Therrnometers based on semiconductor junctions, magneto diodes and magneto transistors, photodiodes and phototransistors, sensors based on MOSFET transistors, charge-coupled sensors — types of CCD imaging sensors, ultrasonic-based sensors.