Electronic Measuring Instruments
This book provide 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 & 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 & 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 & limitations of each type. Digital phase meters for entire A.F. range & their limitations.OscilloscopesBlock diagram study of C.R.O., Description of panel layout & implementation of controls.
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