Transducers and Signal Conditioning Syllabus for
Transducers and Signal Conditioning
Introduction: Measurement systems, Basic electronic measuring system, Transduction principles, Classification of transducers, General transducers characteristics, Criteria for transducer selection.
Resistive Transducers: Principles of operation, construction, theory, advantages and disadvantages, applications of Potentiometers, strain gauges, (metallic and semi-conductor type), Resistance Thermometer, Thermistors.
Inductive Transducers: Types of Inductive transducer, Principles of operation, construction, Advantages & disadvantages and applications. Various variable Inductive Transducers, LVDT (Linear variable differential transformer).
Capacitive Transducers: Types of capacitive transducer, Principles of operation, construction, theory, advantages and disadvantages and applications, of capacitive transducers based upon familiar equation of capacitance.
Elastic Transducers: Spring bellows, diaphragm, bourdon tube – their special features and application.
Active Transducers: Principle of operation, construction, theory, advantages and disadvantages and applications of following transducers: Thermocouple, Piezo-electric transducer, Magneto-strictive transducer, Hall effect transducer, Photo-voltaic transducer and Electrochemical transducer.
Other Transducers: Optical transducers: photo-emissive, photo-conductive and Photo-voltaic cells, Digital
Transducers: Optical encoder, Shaft encoder. Feedback fundamentals, introduction to Inverse transducer.
Signal Conditioning: Concept of signal conditioning, Introduction to AC/DC Bridges. Op-amp circuits used in instrumentation, Instrumentation amplifiers, analogue-digital sampling, introduction to A/D and D/A conversion, signal filtering, averaging, correlation, Interference, grounding , and shielding.
1. Murty D V S, “Transducers & Instrumentation”, PHI, New Delhi (2000)
2. Sawhney A K, “Electrical and Electronics Measurements and Instrumentation”, Dhanpat Rai and Sons,
New Delhi (2000).
3. Kalsi H S, “Electronic Instrumentation “ Tata McGraw Hill, New Delhi, 4th Ed. (2001).
4. Patranabis D, “Sensors and Transducers”, PHI, New Delhi (2003).
5. Doebelin Ernest O, ”Measurement Systems: Application and Design”, Tata McGraw Hill Ltd., New Delhi