Electronic Measuring Instruments

Electronic Measuring Instruments

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Fundamentals of operational amplifier circuits, Principles of working of an electronic meter.Electronic VoltmetersPrinciples of operation, advantages over conventional type analog voltmeters, factors involved in selection of voltmeters, basic voltmeter, peak reading, average reading true RMS reading, sampling type, FET voltmeters , sensitivity considerations a calculations.Digital VoltmetersMethods of analog-to-digital and digital-to-analog conversion, principles of operation and typical specifications of a digital voltmeter, description of various types of DVMs with block diagrams. Resolution and sensitivity of a digital meter, digital displays for meters.Frequency MetersAnalog-schematic a operational details, limitations. Digital frequency meters, Time interval measurements, Frequency ratio measurementsPhase MetersPhase measurement by voltage addition method, balanced modulation type, phase meters using flip-flops, advantages a limitations of each type. Digital phase meters for entire A.F. range a their limitations.OscilloscopesBlock diagram study of C.R.O., Description of panel layout a implementation of controls. Requirement of time base , triggered time base, delayed time base, external triggering etc.Lissajous patterns, circular time base, intensity modulation, velocity modulation, use of these in phase a frequency measurements. Frequency time base, Wobbler scope a its applications, Dual trace, multi trace, Double beam, Sampling; Storage, Digital read-out oscilloscopes.Use of CRO in square wave testing of amplifiers, tracing of diode a transistor characteristics.Signal GeneratorsRequirement of a good laboratory type signal generator, A.F. signal genrators, Beat frequency oscillator a its advantages.Q meterPrinciple of operation, Sources of error, Measurement of a)Stray capacitance, b) Impedance , c) Characteristic impedance of transmission line using Q meter.Fundamentals of operational amplifier circuits, Principles of working of an electronic meter.Electronic VoltmetersPrinciples of operation, advantages over conventional type analog voltmeters, factors involved in selection of voltmeters, ...


Title:Electronic Measuring Instruments
Author: A.V.Bakshi U.A.Bakshi
Publisher:Technical Publications - 2007-01-01
ISBN-13:

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