CMOS Sigma-Delta Converters-Practical Design Guide(Wiley2013)

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CMOS Sigma-Delta Converters-Practical Design Guide(Wiley2013)

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Jos´e M. de la Rosa and Roc ´ıo del R ´ıo
University of Seville, Spain
Jos´e M. de la Rosa and Roc ´ıo del R ´ıo
University of Seville, Spain
A John Wiley & Sons, Ltd., Publication
This edition first published 2013
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MATLAB
R

is a trademark of The MathWorks, Inc. and is used with permission. The MathWorks does not warrant the
accuracy of the text or exercises in this book. This book’s use or discussion of MATLAB
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software or related products
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software.
Library of Congress Cataloging-in-Publication Data
Rosa, Jose M. de la.
CMOS sigma-delta converters : practical design guide / Jose M. de la Rosa and
Rocio del Rio.
pages cm
Includes bibliographical references and index.
ISBN 978-1-119-97925-8 (hardback : alk. paper) — ISBN 978-1-118-56922-1
(ebook/epdf) — ISBN 978-1-118-56843-9 (epub) — ISBN 978-1-118-56842-2 (mobi)—
ISBN 978-1-118-56923-8 1. Metal oxide semiconductors, Complementary—Design and
construction. I. Title.
TK7871.99.M44R668 2013
621.3815

9—dc23
2012041956
A catalogue record for this book is available from the British Library.
ISBN: 978-1-119-97925-8
Set in 10/12pt Times by Laserwords Private Limited, Chennai, India
This book is dedicated to the memory of my son Jos ´e Manuel
Jos´eM.delaRosa
To my wife Visi, my daughter Mar´ıa, my son Jaime,
my parents Carmen and Juan, and my parents-in-law
Mar´ıa Luisa and Jos ´e Antonio
Jos´eM.delaRosa
To my husband Juanan and my son Mario
Roc´ıo del R´ıo
“If you love what you do and are willing to do what it takes,
it’s within your reach. And it’ll be worth every minute you
spend alone at night, thinking and thinking about what it is
you want to design or build. It’ll be worth it, I promise.”
Steve Wozniak ( iWoz , 2006)
Contents
List of Abbreviations xvii
Preface xxi
Acknowledgements xxvii
1 Introduction to
 Modulators: Basic Concepts
and Fundamentals 1
1.1 Basics of A/D Conversion 2
1.1.1 Sampling 2
1.1.2 Quantization 3
1.1.3 Quantization White Noise Model 4
1.1.4 Noise Shaping 7
1.2 Basics of Sigma-Delta Modulators 8
1.2.1 Topology of
 ADCs 8
1.2.2 Signal Processing in
Ms 9
1.2.3 Performance Metrics of
Ms 10
1.2.4 Performance Enhancement of
Ms 13
1.3 Classification of
 Modulators 15
1.4 Single-Loop
 Modulators 16
1.4.1 Second-Order
M 16
1.4.2 High-Order
Ms 20
1.5 Cascade
 Modulators 24
1.6 Multibit
 Modulators 29
1.6.1 Influence of Multibit DAC Errors 30
1.6.2 DEM Techniques 31
1.6.3 Dual Quantization 34
1.7 Band-Pass
 Modulators 36
1.7.1 Thez →−z
2
LP–BP Transformation 37
1.7.2 BP-
Ms with Optimized NTF 39
1.8 Continuous-Time
 Modulators 41
1.8.1 DT–CT Transformation of
Ms 44
1.8.2 Direct Synthesis of CT-
Ms

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