Overview

This work is intended for use in introductory courses or secondary courses in instumentation at the final year of undergraduate, or in the first year of postgraduate courses in electrical, electronics, instrumentation and computer engineering. It should also be of use to postgraduate students of physics interested in the area of electronic instrumentation and to researchers and praticing engineers. Assuming that the reader has knowledge of analogue and digital electronic circuits, this book provides a treatment on digital measurement techniques. Throughout the text worked examples are provided to illustrate the concepts. A large number of unsolved problems are included to help students to develop their skill in using the theory and gain confidence.

Full Product Details

Author:   T.S. Rathore
Publisher:   Alpha Science International Ltd
Imprint:   Alpha Science International Ltd
Edition:   2nd Revised edition
Weight:   0.696kg
ISBN:  

9781842650431

ISBN 10:   1842650432
Pages:   330
Publication Date:   30 January 2008
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

Preface to the Second Edition Preface to the First Edition Introduction: Why Digital Measurement at All? Philosophy of Digital Measurement/Software-Controlled Measurements/About Other Chapters/Problems/Digital Time Measurement Techniques: Introduction/Measurement of a Time Interval between Two Events/Error in time interval measurement/Vernier Technique for Small Time Interval Measurement/Measurement of a time interval smaller than the clock period/Resolution/Precautions/Measurement of time Interval with Constraint/Events occur arbitrarily/Saturated lapse time measurement/Measurement of a Periodic Time/Capacitance of a Periodic Time/Phase Measurement/Requirements of an ideal phase meter/Phase measurement through time measurement/Direct phase measurement/Automatic accumulation method/Phase measurement at a single low frequency/Phase measurement without frequency error/Micro-controller based phase measurement/Multi-Phase Sequence Indicator/Measurement of Time Interval between Two Events Defined by Voltage Levels/Time constant measurement/Accurate measurement of low time constant/Measurement of Capacitance/Measurement of Quality Factor of a Ringing Circuit/Decibel Meter/Problems/Bibliography Digital Frequency Measurement Techniques: Introduction/Frequency Measurement/Measurement of the Ration of Two Frequencies/High Frequency Measurement/Frequency difference expansion method/Average Frequency Difference Measurement/Applications/Power System Frequency Deviation Measurement/Fast Low-Frequency Measurement/Measurement of Low-Frequencies in a Narrow Band/Up Counting/Complementary counting/Down Counting/Time Reciprocating Circuit/Frequency range and accuracy/Fast Low-Frequency Measurement of Sinusoidally Varying Signals/Peak Frequency Measurement/A simpler scheme for the maximum/minimum indicator/Problems/Bibliography Digitally Programmable Circuits: Introduction/Digitally Programmable Resistors/Digitally Programmable Dividers/Minimal Digital Programmable Gain Amplifiers/Remarks/Programmable Schmitt Triggers/Programmable Dual-Polarity Gain Amplifiers/Programmable Gain Amplifier with Dual-Polarity outputs/Two Stage Programming/Programmable Gain Amplifiers: Applications/Programmable Gain-Constant Circuits/Programmable Notch Filters/Programmable Biquads/Problems/Bibligraphy Digital-to-Analog Converters: Introduction/Output-Input Relation/DACs Derived from Programmable Gain Amplifiers/Weighted-Resistor DACs/Two-stage weighted-resistor DACs Multi-stage WR-DACs/Weighted-Current DACs/Weighted-Reference Voltage DACs/Ladder DACs/Realization of { N x L} DAC/Minimum spread { N x L} ladder DAC/DAC with the least number of resistors/Minimum total resistance DAC realization/Equal-valued resistor/Minimum total resistance DAC realization Equaal-valued resistor DAC/Switches/A Current Driven DAC/The Inverted Ladder DAC/Binary-Weighted Charge DAC/Input Output Formats of a DAC/Hybrid Multiplier and Divider/Problems/Bibliography Digital Voltage Measurement Techniques: Introduction/Indirect Type Analog-to-Digital Converters/Voltage-to-time converters/Voltage-to-frequency converters/Operations in Direct Type Analog-to-Digital Converters/Sampling Theorem/Time Division Multiplexing/Quantization/Direct Type Analog-to-Digital Converters/Digital ramp converter/Tracking type analog-to-digital converter/Successive approximation coverter/Multiple threshold analog-to-digital converters/Comparison Input Circuitry of a Digital Voltmeter/Auto-zero circuit/Bipolar operation/Buffer circuit/Protection/Auto-ranging/Sample and hold circuit/Problems/Bibligraphy Digital Voltage Ratiometric Measurement Techniques: Intoduction/Ratiometric Measurement Technique/Voltage ratio meters/Applications/Frequency meter for sinusoidal signals/Modulation index meter/Measurement of Q/The tand-d meter (series RC circuit)/The tand-d meter (parallel RC circuit) Measurement of a complex impedance/Digital ohmmeter/Digital capacitance meter/Problems/Bibliography Sampling Techniques: Introduction/Two Basic Theorems/Non-integral value theorem/Zero summation theorem/Sampling/Distinct Sampled Instants Theorem/Same Sampled-Magnitude Set Theorem/Correspondence between the Samples/Mean and RMS Value Theorem/Power Evaluation Theorem/Special case/AC power measurement/Energy measurement/Voltage Measurement/Current measurement/Other measurement/Problems Bibliography Index

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T. S. Rathore.: Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai

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