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Grounds for Grounding: A Circuit to System Handbook

ISBN: 978-0-471-66008-8
1088 pages
January 2010, Wiley-IEEE Press
Grounds for Grounding: A Circuit to System Handbook (0471660086) cover image
The first book to cover grounding from the circuit to system and across the entire spectrum of applications

Grounds for Grounding provides a complete and thorough approach to the subject of designing electrical and electronic circuits and systems, blending theory and practice to demonstrate how a few basic rules can be applied across a broad range of applications.

The authors begin with the basic concepts of Electromagnetic Compatibility (EMC) that are essential for understanding grounding theory and its applications, such as "ground loop," which is one of the most misunderstood concepts in EMC. Next, they provide an introduction to grounding, including safety grounding, grounding for control of electromagnetic interference, and grounding-related case studies. Subsequent chapter coverage includes:

  • Fundamentals of grounding design

  • Bonding principles

  • Grounding for power distribution and lightning protection systems

  • Grounding in wiring circuits and cable shields

  • Grounding of EMI terminal protection devices

  • Grounding on printed circuit boards

  • Integrated facility and platform grounding system

Practical case studies are integrated throughout the book to aid in readers' comprehension and each chapter concludes with a useful bibliography. Grounds for Grounding is an indispensable resource for electrical and electronic engineers who work with the design of circuits, systems, and facilities.

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Foreword.

Preface.

1. Overview.

Bibliography.

2. Fundamental Concepts.

2.1. Maxwell’s Equations Demystified.

2.2. Boundary Conditions.

2.3. Intrinsic Inductance of Conductors and Interconnects.

2.4. Nonideal Properties of Passive Circuit Components and Interconnects.

2.5. Return Current Path Impedance.

2.6. Transmission Line Fundamentals.

2.7. Characteristics of Signals and Circuits.

2.8. Interaction between Sources to Radiated Fields.

Bibliography.

3. The Grounds for Grounding.

3.1. Grounding, an Introduction.

3.2. Objectives of Grounding.

3.3. Grounding-Related Case Studies.

Bibliography.

4. Fundamentals of Grounding Design.

4.1. Ground-Coupled Interference and its Preclusion.

4.2. Fundamental Grounding Topologies.

4.3. Grounding Trees.

4.4. Role of Switch-Mode Power Supplies in Grounding System Design.

4.5. Ground Loops.

4.6. Zoned Grounding.

4.7. Equipment Enclosure and Signal Grounding.

4.8. Rack and Cabinet Subsystem Grounding Architecture.

4.9. Grounding Strategy Applied by System Size and Layout.

Bibliography.

5. Bonding Principles.

5.1. Objectives of Bonding.

5.2. Bond Impedance Requirements.

5.3. Types of Bonds.

5.4. Surface Treatment.

5.5. Dissimilar Metals Consideration: Corrosion Control.

Bibliography.

6. Grounding for Power Distribution and Lightning Protection Systems.

6.1. Introduction.

6.2. Power System Earthing.

6.3. Earthing for Low-Voltage Distribution System.

6.4. Lightning Protection.

6.5. The Earth Connection.

6.6. Types of Earth Electrodes.

6.7. Design of Earth Electrodes and their Layout.

6.8. Measurement of Soil Resistivity, Earth Electrode Resistance and Earthing System Impedance.

6.9. Reducing Earth Resistance.

6.10. Bonding to Building Structures.

Bibliography.

7. Grounding in Wiring Circuits and Cable Shields.

7.1. Introduction: System Interface Problems.

7.2. To Ground or Not To Ground (Cable Shields).

7.3. Fundamentals of Cable Shielding.

7.4. Shield Surface Transfer Impedance.

7.5. Grounding Considerations in Signal Interfaces.

7.6. Grounding of Transducers and Measurement Instrumentation Systems.

Bibliography.

8. Grounding of EMI Terminal Protection Devices.

8.1. Filtering and Transient-Voltage Suppression—Complementary Techniques to Shielding.

8.2. Types of Conducted Noise.

8.3. Overview of Filtering and Transient Voltage Suppression.

8.4. Grounding of Filters and Transient-Suppression Devices.

Bibliography.

9. Grounding on Printed Circuit Boards (PCBs).

9.1. Interference Sources on PCBs.

9.2. "Grounding" on PCBs.

9.3. Signal Propagation on PCBs.

9.4. Return Path Discontinuities: "Mind the Gap".

9.5. Delta-I (DI) and Simultaneous Switching Noise (SSN) in PCBs.

9.6. Return Planes and PCB Layer Stack-up.

9.7. Cuts and Splits in Return Planes.

9.8. Grounding in Mixed-Signal Systems.

9.9. Chassis Connections ("Chassis Stitching").

Bibliography.

10. Integrated Facility and Platform Grounding System.

10.1. Facility Grounding Subsystems.

10.2. Grounding Requirements in Buildings or Facilities.

10.3. Grounding for Preclusion of Electrostatic Discharge (ESD) Effects in Facilities.

10.4. Grounding Principles in Mobile Platforms and Vehicles.

Bibliography.

APPENDIX A. Glossary of Grounding-Related Terms and Definitions.

APPENDIX B. Acronyms.

APPENDIX C. Symbols and Constants.

APPENDIX D. Grounding Related Standards, Specifications, and Handbooks.

D.1. ANSI Standards.

D.2. ATIS Standards.

D.3. British Standards.

D.4. CENELEC and ETSI Publications.

D.5. IEC Standards.

D.6. IEEE Standards.

D.7. International Space Station (ISS) Program Standards.

D.8. ITU-T Recommendations.

D.9. Military Standards and Handbooks.

D.10. NASA Standards and Handbooks.

D.11. NFPA Codes and Standards.

D.12. SAE Recommended Practices.

D.13. TIA/EIA Standards.

D.14. UL Standards.

D.15. Other (Miscellaneous) Standards.

APPENDIX E. On the Correspondence between Ohm’s Law and Fermat’s Least Time Principle.

E.1. Origin of the LT/MP Principle.

E.2. Statement of the LT/MP Principle.

E.3. Derivation of the Equivalence between Ohm’s Law and Fermat’s Least Time Principle.

E.4. Equivalence of Ohm’s Law and the LT/MP Theory.

Bibliography.

APPENDIX F. Overview of S Parameters.

F.1. Background.

F.2. Ports and Interaction Matrices.

F.3. The Scattering Matrix and S Parameters.

F.3.1. The Scattering (S) Matrix.

F.3.2. S21, or "Forward Transmission Gain/Loss".

F.3.3 S11, or "Input Return Loss".

F.3.4. S22, or "Output Return Loss".

F.3.5. S12, or "Reverse Gain and Reverse Isolation".

F.4. Characteristic Values of S Parameters.

F.5. S Parameters in Loss-Free and Lossy Networks.

F.5.1. The Loss-Free Network.

F.5.2. Lossy Networks.

F.5.3. Insertion Loss.

F.5.4. Radiation Loss.

Bibliography.

Index.

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Elya B. Joffe is Vice President of Engineering for K.T.M. Project Engineering, an engineering consulting company located in Israel. He has been involved in EMC design, development, and engineering since 1981. He is currently active as an EMC consulting specialist in the EMC design of commercial and military systems, from circuits to platforms and large-scale installations and facilities. His work covers EMC, EMP and Lightning Protection design, as well as numerical modeling for solution of EMC Problems. He is also well known for his EMC and EMC-related training programs. He is a Senior Member of the IEEE, a member of the IEEE EMC Society, President of the EMC Society (2008-2009), and a past chairman of the Israel IEEE EMC Chapter.

Kai-Sang Lock, PhD, is founder and Principal Consultant of PQR Technologies Pte Ltd in Singapore. He is a consultant in the areas of power quality, reliability, and safety. Dr. Lock is a registered Professional Engineer in Singapore; a Fellow of the Institution of Electrical Engineers, UK; the President and a Fellow of the Institution of Engineers, Singapore; as well as a Senior Member of the IEEE. He is also a Board Member of the Professional Engineers Board, Singapore, and the Chairman of the Singapore Standards Council.

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