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PRACTICAL ELECTRONICS
HANDBOOK

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PRACTICAL ELECTRONICS
HANDBOOK
SIXTH EDITION

IAN R. SINCLAIR AND JOHN DUNTON

AMSTERDAM • BOSTON • HEIDELBERG • LONDON • NEW YORK
OXFORD • PARIS • SAN DIEGO • SAN FRANCISCO
SINGAPORE • SYDNEY • TOKYO
Newnes is an imprint of Elsevier

Newnes is an imprint of Elsevier
Linacre House, Jordan Hill, Oxford, OX28DP
30 Corporate Drive, Burlington, MA 01803
First edition 1980
Reprinted 1982, 1983 (with revisions), 1987
Second edition 1988
Reprinted 1990
Third edition 1992
Fourth edition 1994
Reprinted 1997, 1998, 1999
Fifth edition 2000
Reprinted 2001
Sixth edition 2007
Copyright © 1980, 1988, 1992, 1994, 2000, 2007, Ian R. Sinclair and John Dunton. Published by Elsevier Ltd.
All rightsreserved
The right of Ian R. Sinclair and John Dunton to be identified as the author of this work has been asserted in
accordance with the Copyright, Designs and Patents Act 1988
No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by
any means electronic, mechanical, photocopying, recording or otherwise without the prior written permission ofthe publisher
Permission may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford,
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you can submit your request online by visiting the Elsevier web site at http://elsevier.com/locate/permissions,
and selecting Obtaining permission to use Elsevier materialNotice
No responsibility is assumed by the publisher for any injury and/or damage to persons or property as a matter of
products liability, negligence or otherwise, or from any use or operation of any methods, products, instructions
or ideas contained in the material herein. Because of rapid advances in the medical sciences, in particular,
independent verification of diagnoses and drug dosagesshould be made
British Library Cataloguing in Publication Data
A catalogue record for this book is available from the British Library
Library of Congress Cataloging-in-Publication Data
A catalog record for this book is available from the Library of Congress
Cover photo by Thomas Scarborough, reproduced by permission of Everyday Practical Electronics. www.epemag.co.uk
ISBN 13:978-0-75-068071-4
ISBN 10: 0-75-068071-7
For information on all Newnes publications visit our web site at books.elsevier.com
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Printed and bound in Great Britain
07 08 09 10 11

10 9 8 7 6 5 4 3 2 1

v

Contents

CONTENTS
Preface
Introduction: Mathematical Conventions

xiii
xv

Resistors

1

CHAPTER 1

Passive components
Resistors
Resistivity
Resistivitycalculations
Resistor construction
Tolerances and E-series
Resistance value coding
Surface mounted resistors
Resistor characteristics
Dissipation and temperature rise
Variables and laws
Resistors in circuit
Kirchoff’s laws
The superposition theorem
Thevenin’s theorem
Thermistors
Variation of resistance with temperature

CHAPTER 2

Capacitors
Capacitance
The parallel-plate capacitorConstruction
Other capacitor characteristics
Energy and charge storage
Time constants
Reactance
CR circuits

CHAPTER 3

1
2
3
4
7
9
10
13
13
17
18
19
20
21
23
24
26

29
29
29
31
36
39
39
43
45

Inductive and Tuned Circuit Components
Inductors
Transformers

47
47
51

vi

Contents

Signal-matching transformers
Mains transformers
Other transformertypes
Surface-mounted inductors
Inductance calculations
Untuned transformers
Inductive reactance
LCR circuits
Coupled tuned circuits
Quartz crystals
Temperature effects
Wave filters

CHAPTER 4

Chemical Cells and Batteries
Introduction
Primary and secondary cells
Battery connections
Simple cell
The Leclanché cell
The alkaline primary cells
Miniature (button) cells
Lithium cells...
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