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Signal and Power Integrity - Simplified, 2nd edition

  • Eric Bogatin

Published by Pearson (July 17th 2009) - Copyright © 2010

2nd edition

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Signal and Power Integrity - Simplified

ISBN-13: 9780137035038

Includes: Unassigned

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  • Unassigned


This is the eBook version of the printed book, some of the illustrations are in color.


The #1 Practical Guide to Signal Integrity Design–Now Updated with Extensive New Coverage!

This book brings together up-to-the-minute techniques for finding, fixing, and avoiding signal integrity problems in your design. Drawing on his work teaching more than five thousand engineers, world-class signal and power integrity expert Eric Bogatin systematically reviews the root causes of all six families of signal integrity problems and shows how to design them out early in the design cycle. This edition’s extensive new content includes a brand-new chapter on S-parameters in signal integrity applications, and another on power integrity and power distribution network design–topics at the forefront of contemporary electronics design.

Coverage includes 

  • A fully up-to-date introduction to signal integrity and physical design
  • How design and technology selection can make or break the performance of the power distribution network
  • Exploration of key concepts, such as plane impedance, spreading inductance, decoupling capacitors, and capacitor loop inductance
  • Practical techniques for analyzing resistance, capacitance, inductance, and impedance
  • Solving signal integrity problems via rules of thumb, analytic approximation, numerical simulation, and measurement
  • Understanding how interconnect physical design impacts signal integrity
  • Managing differential pairs and losses
  • Harnessing the full power of S-parameters in high-speed serial link applications
  • Ensuring power integrity throughout the entire power distribution path
  • Realistic design guidelines for improving signal integrity, and much more
Unlike books that concentrate on theoretical derivation and mathematical rigor, this book emphasizes intuitive understanding, practical tools, and engineering discipline. Designed for electronics industry professionals from beginners to experts it will be an invaluable resource for getting signal integrity designs right the first time, every time.

Table of contents

Preface to the Second Edition      xv
Preface to the First Edition      xvii
Acknowledgments      xxiii
About the Author      xxv

Chapter 1: Signal Integrity Is in Your Future      1
1.1   What Is Signal Integrity? 2
1.2   Signal Quality on a Single Net 5
1.3   Cross Talk 9
1.4   Rail-Collapse Noise 11
1.5   Electromagnetic Interference (EMI) 13
1.6   Two Important Signal Integrity Generalizations 16
1.7   Trends in Electronic Products 16
1.8   The Need for a New Design Methodology 22
1.9   A New Product Design Methodology 23
1.10 Simulations 24
1.11 Modeling and Models 27
1.12 Creating Circuit Models from Calculation 30
1.13 Three Types of Measurements 35
1.14 The Role of Measurements 38
1.15 The Bottom Line 39

Chapter 2: Time and Frequency Domains      43
2.1   The Time Domain 44
2.2   Sine Waves in the Frequency Domain 46
2.3   Shorter Time to a Solution in the Frequency Domain 48
2.4   Sine Wave Features 49
2.5   The Fourier Transform 51
2.6   The Spectrum of a Repetitive Signal 53
2.7   The Spectrum of an Ideal Square Wave 55
2.8   From the Frequency Domain to the Time Domain 57
2.9   Effect of Bandwidth on Rise Time 58
2.10 Bandwidth and Rise Time 62
2.11 What Does Significant Mean? 63
2.12 Bandwidth of Real Signals 67
2.13 Bandwidth and Clock Frequency 68
2.14 Bandwidth of a Measurement 70
2.15 Bandwidth of a Model 72
2.16 Bandwidth of an Interconnect 74
2.17 The Bottom Line 78

Chapter 3: Impedance and Electrical Models      81
3.1   Describing Signal-Integrity Solutions in Terms of Impedance 82
3.2   What Is Impedance? 84
3.3   Real Versus Ideal Circuit Elements 86
3.4   Impedance of an Ideal Resistor in the Time Domain 88
3.5   Impedance of an Ideal Capacitor in the Time Domain 89
3.6   Impedance of an Ideal Inductor in the Time Domain 92
3.7   Impedance in the Frequency Domain 94
3.8   Equivalent Electrical Circuit Models 99
3.9   Circuit Theory and SPICE 101
3.10 Introduction to Modeling 105
3.11 The Bottom Line 110

Chapter 4: The Physical Basis of Resistance      113
4.1   Translating Physical Design into Electrical Performance 114
4.2   The Only Good Approximation for the Resistance of Interconnects 115
4.3   Bulk Resistivity 118
4.4   Resistance per Length 119
4.5   Sheet Resistance 121
4.6   The Bottom Line 124

Chapter 5: The Physical Basis of Capacitance      127
5.1   Current Flow in Capacitors 128
5.2   The Capacitance of a Sphere 130
5.3   Parallel Plate Approximation 131
5.4   Dielectric Constant 133
5.5   Power and Ground Planes and Decoupling Capacitance 135
5.6   Capacitance per Length 138
5.7   2D Field Solvers 143
5.8   Effective Dielectric Constant 146
5.9   The Bottom Line 150

Chapter 6: The Physical Basis of Inductance      151
6.1   What Is Inductance? 151
6.2   Inductance Principle #1: There Are Circular Rings of Magnetic-Field Lines Around All Currents 152
6.3   Inductance Principle #2: Inductance Is the Number of Webers of Field Line Rings Around a Conductor per Amp of Current Through It 154
6.4   Self-Inductance and Mutual Inductance 156
6.5   Ind

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