MD3402 Biomedical Sensors and Instrumentation Syllabus:
MD3402 Biomedical Sensors and Instrumentation Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
• To understand the purpose of measurements and characteristics
• To know the principle of transduction, classification and the characteristics of transducers
• To know the different bridges for measurement
• To know the different display and recording devices
UNIT I SENSOR BASED MEASUREMENT SYSTEM
Generalized measurement system- Sensor classification- Static characteristics- Dynamic characteristics- Primary sensors and materials for sensor
UNIT II DISPLACEMENT, PRESSURE AND TEMPERATURE SENSORS
Strain Gauge: Gauge factor- Sensing elements- Bonded and Unbonded strain gauge, Capacitive transducer , Inductive transducer, LVDT ,Pressure transducer , Temperature Sensors: Passive type: RTD materials and range- Relative resistance versus temperature characteristics Characteristics of Thermistor, Active type: Characteristics of Thermocouple, Case Study: Sensors for Environmental monitoring.
UNIT III PHOTOELECTRIC AND PIEZO ELECTRIC SENSORS
Phototube – Scintillation counter – Photo multiplier tube – Photovoltaic – Photo conductive cells – Photo detector-Phototransistor – Comparison of photoelectric transducers, Optical displacement sensors, Piezoelectric active transducer: Equivalent circuit and its characteristics, Case study: Optical sensors for diagnosis – Oxygen Saturation monitor.
UNIT IV SIGNAL CONDITIONING CIRCUITS
Functions of signal conditioning circuits – Preamplifiers, Concepts of passive filters, Impedance matching circuits, AC and DC Bridges: Wheat stone, Kelvin, Maxwell, Hay, Schering.
UNIT V DISPLAY AND RECORDING DEVICES
Digital voltmeter, Multimeter , CRO: Block diagram , CRT , Vertical & horizontal deflection system, DSO, LCD monitor , PMMC writing systems , Servo recorders , Photographic recorder , Magnetic tape recorder , Inkjet recorder , Thermal recorder.
COURSE OUTCOMES:
At the end of the course, the student should be able to:
CO1: Measure various electrical parameters with accuracy, precision, resolution
CO2: Select appropriate passive or active transducers for measurement of physical phenomenon
CO3: Use AC and DC bridges for relevant parameter measurement
CO4: Employ multimeter, CRO, and recorders for appropriate measurements
TOTAL:45 PERIODS
TEXT BOOK
1. A.K.Sawhney , “Electrical & Electronics Measurement and Instrumentation”, Dhanpat Rai & Co, New Delhi, 2017.
2. John G. Webster, “Medical Instrumentation Application and Design”, Wiley India Pvt Ltd, New Delhi, 2020.
REFERENCES
1. Leslie Cromwell, “Biomedical Instrumentation and Measurement”, Prentice Hall of India, New Delhi, 2015.
2. Albert D.Helfrick, William D. Cooper , “Modern Electronic Instrumentation and Measurement Techniques”, Prentice Hall of India, New Delhi, 2016.
3. KhandpurR.S , “Handbook of Biomedical Instrumentation”, Tata McGraw-Hill, New Delhi, 2014.
4. BanshiDhar Gupta, Anand Mohan Shrivastav and SruthiPrasood Usha , “Optical Sensors for Biomedical Diagnostics and Environmental Monitoring”, CRC Press, New York, 2018.