JNTUK R20 3-1 EMI Material/Notes PDF Download


JNTUK R20 3-1 EMI Material/Notes PDF Download

Students those who are studying JNTUK R20 ECE Branch, Can Download Unit wise R20 3-1 Electronic Measurements and Instrumentation Material/Notes PDFs below.


JNTUK R20 3-1 EMI Material/Notes PDF Download


Performance characteristics of instruments, Static characteristics: Accuracy, Resolution, Precision, Expected value, Error, Sensitivity. Dynamic Characteristics; speed of response, Fidelity, Lag and Dynamic error, Types of errors in measurements and their analysis, Design of multi-range AC, DC meters (voltmeter &ammeter) and ohmmeter(series &shunt type) using D’arsonval movement. True rms meter.

Download UNIT-1 Material PDF | Reference-2 | Ref-3


Specifications and designing aspects of Signal Generators – AF sine and square wave signal generators, Function Generators, Random noise generators, Arbitrary waveform generators.WaveAnalyzers,HarmonicDistortionAnalyzers,SpectrumAnalyzers,DigitalFourier Analyzers

Download UNIT-2 Material PDF | Reference-2 | Ref-3


Oscilloscopes – general purpose CROs, block diagram, functions and implementation of various blocks, specifications, various controls and their functions , types of probes used in CROs, Measurement of frequency and phase difference using Lissajous patterns Special purpose CROs; sampling oscilloscope, analog storage oscilloscope, digital storage oscilloscope

Download UNIT-3 Material PDF | Reference-2


Bridge circuits – Wheat stone bridge, measurement of very low resistance, Measurement of inductance- Maxwell’s bridge, Anderson bridge. Measurement of capacitance-Schearing Bridge, Wien Bridge, Errors and precautions in using bridges Q-meter, principle of operation, measurement methods and sources of errors

Counters : principle of operation -modes of operation- totalizing mode, frequency mode and time period mode-sources of errors.

Download UNIT-4 Material PDF | Reference-2 | Ref-3


Transducers – active & passive transducers: Resistance, Capacitance, inductance, Strain gauges, LVDT, Piezo Electric transducers. Measurement of physical parameters temperature, force, pressure, velocity, acceleration and displacement

Download UNIT-5 Material PDF | Reference-2 | Ref-3


  1. Electronic instrumentation, second edition-H.S.Kalsi, TataMcGrawHill, 2004.
  2. Modern Electronic Instrumentation and Measurement Techniques–A.D.Helfrickand W.D. Cooper, PHI,5th Edition, 2002.


  1. Electronic Instrumentation & Measurements -DavidA. Bell, PHI, 3rdEdition,2013.


1. Select the instrument to be used based on the requirements.

2. Understand and analyze different signal generators and analyzers.

3. Understand the design of oscilloscopes for different applications.

4. Design different transducers for measurement of different parameters.

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