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Electronic Measurements and Instrumentation Notes (EMI)

Electronic Measurements and Instrumentation Notes – EMI Notes

Electronic Measurements and Instrumentation Notes – EMI Notes – EMI Pdf Notes

UNIT I Block Schematics of Measuring Systems, Performance Characteristics, Static Characteristics, Accuracy, Precision, Resolution, Types of Errors, Gausian Error, Root Sum Squares formula, Dynamic Characteristics, Repeatability, Reproducibility, Fidelity, Lag ;Measuring Insturments: DC Voltmeters. D’ Arsonval Movement, DC Current Meters, AC Voltmeters and Current Meters, Ohmmeters, Multimeters, Meter Protation, Extension of Range, True RMS Responding Voltmeters, Specifications of Instruments.

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UNIT II Electronic Voltmeters, Multimeters, AC, DC Meters, Digital Voltmeters: Ramp Type, Staircase Ramp, Dual slqpes Integrating type, Successive Approximation Type, Autoranging, 3;, 3; Digit display, Pico ammeter, High Resistance Measurements, Low Current Ammeter, Applications; Signal Generators: AF, RF Signal Generators, Sweep frequency Generators, Pulse and Square wave Generators, Function Generators, Arbitrary waveform Generator, Video signal Generators, Specifications.

Unit 2 – N/A


UNIT III Signal Analyzers, AF, HF Wave Analyzers, Harmonic Dustortion. Heterodynewave Analyzers, Spectrum Analyzers, Power Analyzers, Capacitance-Voltage Meters, Oscillators.

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UNIT IV DC and AC Bridges: Wheat stone Bridge, Kelvin Bridge, AC Bridges. Maxwell, Hay, Schering, Wien, Anderson Bridges, Resonance Bridge, Similar Angle Bridge, Wagners’ ground connection, Twin T. Bridged T Networks, Detectors.

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UNIT V Oscilloscopes: CRT, Block Schematic of CRO. Time Base Circuits, Lissajous Figures, CRO Probes, High Frequency CRO Considerations, Delay lines, Applications, Specifications.

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UNIT VI – Electronic Measurements and Instrumentation Notes

Special purpose oscilloscopes: Dual Trace, Dual Beam CROs, Sampling oscilloscopes, Storage oscilloscopes, Digital Storage CROs, Frequency Measurement. Period Measurement, Errors in TimelFrequency measurements, universal counters, Extension of range; Recorders: Strip- Chart, X-Y, Oscillo graphic recorders.

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UNIT VII – Electronic Measurements and Instrumentation Notes

Transducers: Classification, Strain gauges, Bonded, unbounded; Force and Displacement Tranducers, Resistance Thermometers, Hotwire Anemometers, LVDT, Themocouples, Synchros. Special Resistance Thermometers, Digital Temperature sensing system. Piezoelectric Transducers,.Variable Capacitance Transducers, Magneto strictive Transducers.

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UNIT VIII – Electronic Measurements and Instrumentation Notes

Measurement of Physical Parameters: Flow Measurement, Displacement Meters, Liquid level Measurement, Measurement of Humidity and Moisture, Velocity, Force, Pressure – High Pressure, Vacuum level, Temperature – Measurements, Data Acquisition Systems.

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TEXTBOOKS : Electronic Measurements and Instrumentation Notes – EMI Notes – EMI Pdf Notes

1. Electronic instrumentation, second edition – H.S.Kalsi, Tata McGraw Hill, 2004. 2. Modern Electronic Instrumentation and Measurement Techniques – A.D. Helfrick and W.D. Cooper, PHI, 5th Edition, 2002.


Note :- These notes are according to the r09 Syllabus book of JNTUH.In R13 ,8-units of R09 syllabus are combined into 5-units in r13 syllabus.Click here to check all the JNTU Syllabus books 

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