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Electromagnetic Compatibility Engineering Hardcover – August 24, 2009

ISBN-13: 978-0470189306 ISBN-10: 0470189304 Edition: 1st

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Product Details

  • Hardcover: 872 pages
  • Publisher: Wiley; 1st edition (August 24, 2009)
  • Language: English
  • ISBN-10: 0470189304
  • ISBN-13: 978-0470189306
  • Product Dimensions: 9.1 x 6.3 x 1.6 inches
  • Shipping Weight: 3 pounds (View shipping rates and policies)
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (19 customer reviews)
  • Amazon Best Sellers Rank: #168,977 in Books (See Top 100 in Books)

Editorial Reviews


"This is an outstanding book. At 872 pages thick, it is a valuable follow-up to Ott's earlier books, Noise Reduction Techniques in Electronic Systems (first edition, 1975; second edition, 1987) . . . EMC will remain with us in the foreseeable future, and we need books like this one." (The Radio Science Bulletin, 1 June 2011)


From the Back Cover

Praise for Noise Reduction Techniques IN electronic systems

"Henry Ott has literally 'written the book' on the subject of EMC. . . . He not only knows the subject, but has the rare ability to communicate that knowledge to others."
EE Times

Electromagnetic Compatibility Engineering is a completely revised, expanded, and updated version of Henry Ott's popular book Noise Reduction Techniques in Electronic Systems. It reflects the most recent developments in the field of electromagnetic compatibility (EMC) and noise reduction?and their practical applications to the design of analog and digital circuits in computer, home entertainment, medical, telecom, industrial process control, and automotive equipment, as well as military and aerospace systems.

While maintaining and updating the core information—such as cabling, grounding, filtering, shielding, digital circuit grounding and layout, and ESD—that made the previous book such a wide success, this new book includes additional coverage of:

  • Equipment/systems grounding

  • Switching power supplies and variable-speed motor drives

  • Digital circuit power distribution and decoupling

  • PCB layout and stack-up

  • Mixed-signal PCB layout

  • RF and transient immunity

  • Power line disturbances

  • Precompliance EMC measurements

  • New appendices on dipole antennae, the theory of partial inductance, and the ten most common EMC problems

The concepts presented are applicable to analog and digital circuits operating from below audio frequencies to those in the GHz range. Throughout the book, an emphasis is placed on cost-effective EMC designs, with the amount and complexity of mathematics kept to the strictest minimum.

Complemented with over 250 problems with answers, Electromagnetic Compatibility Engineering equips readers with the knowledge needed to design electronic equipment that is compatible with the electromagnetic environment and compliant with national and international EMC regulations. It is an essential resource for practicing engineers who face EMC and regulatory compliance issues and an ideal textbook for EE courses at the advanced undergraduate and graduate levels.

More About the Author

Henry W. Ott is President and Principal Consultant of Henry Ott Consultants (, an Electromagnetic Compatibility (EMC) training and consulting organization located in Livingston, NJ. Mr. Ott has over thirty years experience in the field of EMC. Prior to starting his own consulting company, he was with AT&T Bell Laboratories for thirty years, where he was a Distinguished Member of the Technical Staff.

Mr. Ott is a Life Fellow of the Institute of Electrical and Electronic Engineers (IEEE), and an Honorary Life Member of the IEEE EMC Society. For over twenty years, Mr. Ott served the IEEE EMC Society in various capacities including; member of the Board of Directors, Education Committee Chairman, Symposium Committee Chairman, and Vice President for Conferences.

Customer Reviews

4.6 out of 5 stars
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It is very easy to read and understand.
Raguzin Kirill
Very often, simple pre-compliance measurements may be made to assess the EMC "health" of a product prior to transporting and measuring its compliance at the test lab.
EMC Engineer
It's nearly twice the size of his previous book.
Jim Brown

Most Helpful Customer Reviews

21 of 21 people found the following review helpful By EMC Engineer on April 12, 2010
Format: Hardcover
Introduction and Summary - Henry Ott has been a well-known expert and consultant in electromagnetic compatibility (EMC) for a number of years during his career with AT&T Bell Labs, and as a full-time consultant since leaving Bell Labs. His first book, Noise Reduction Techniques in Electronic Systems, was written in 1977 and a revised second edition was published in 1988. While the basic information in the second edition remains much the same, technology has marched on dramatically, rendering some of the concepts and solutions somewhat antiquated. So, it was with great interest, that I learned of Ott's most recent book, Electromagnetic Compatibility Engineering (2009), which was a complete rewrite and now twice as thick, with 843 pages (ISBN 978-0-470-18930-6, $96.00 through

There are now 18 chapters with six appendices - nine of which, have been completely rewritten. Both analog, digital and mixed-signal circuit design principles are covered, as well as frequencies from audio through GHz. Ott strives to balance the theory with practical applications gleaned from his years as a consultant. The theory is explained so it's easily understood by product design engineers. Solved problems are included, so as to make this text appropriate for upper-level college courses.

After reading his text, I come away very impressed with the content. This is a book addressed to the working product designer - not for those trying to learn the theory. For that, I would suggest Clayton Paul's book, Introduction to Electromagnetic Compatibility (2nd. edition), or several other like texts. However, Ott includes just enough theory to help explain the basic concepts.
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9 of 10 people found the following review helpful By Analog Engineer on April 23, 2010
Format: Hardcover
As other reviewers have said, this is a great reference for EMC issues, and I wholeheartedly agree. As an analog
engineer, though, I find it extremely valuable for analog design, too. It's not surprising that so many respected
analog designers refer to Henry Ott's work.

Anyone involved in the design of mixed-signal (analog and digital) printed circuit boards will find a goldmine
of information in the chapter covering this topic (Chapter 17: Mixed-Signal PCB Layout). The rationale for using or not using split ground planes is clearly explained, and it is likely that many designers, including this reviewer, have been doing it improperly and creating noisier PCBs that result in noisier analog signals. More often than not, it is better not to split the ground plane, but parts placement is the key. This chapter alone is worth the price of the book.

Chapter 4: Balancing and Filtering thoroughly covers the topic of balanced circuits and includes the entire signal chain: the driver, the cable, and the receiver (both transformer-input and op-amp-input based). Anyone working with low-level analog signals (audio engineers, instrumentation engineers) will find this chapter very valuable. Also of great value is the chapter on cabling (Ch. 2). It clearly explains how and under what circumstances cable shielding works to guard against electric and magnetic interference, and the differences between coaxial cable and twisted pair connections.
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6 of 6 people found the following review helpful By Jim Brown on October 25, 2009
Format: Hardcover Verified Purchase
EMC authority Henry Ott's new book is out, and it's a beauty. It's nearly twice the size of his previous book. There's lots of new material, including coverage of the Pin 1 problem (with credit to Neil Muncy) and SCIN. There's also an excellent analysis of switch mode power supplies and variable frequency drive motor controllers, with specific recommendations for minimizing the massive noise they produce.

Many of the earlier chapters have significant updates, and there are lots of other new topics, analog and digital designs and printed circuit board layout issues, as well as updated information on EMC regulations. A section on mains power focuses on North American practice.

There's also the very useful development of an equation for partial inductance -- that is, the inductance of a conductor "in free space" that does not form a loop, which is then reconciled with equations for loops by applying the partial treatment to each element of the loop. This is quite helpful in understanding fundamental practical applications like the inductance of a
length of wire in a grounding path. The only other place I've seen an equation to cover this problem is in Terman's 1943 book. Ott's and Terman's equations are a bit different, but provide results that are within 5% of each other for practical problems. A friend recently reminded me that Clayton Paul's excellent book also covers this concept.

No surprise -- Henry's analysis is always spot on and his writing style easy to follow. He never "hides behind the math, but there's enough to allow quantification of each principle being discussed. This book ought to be on the bookshelf of every EE, no matter the discipline.

Jim Brown
Chair - Technical Committee on EMC, Audio Engineering Society (AES)
Vice-Chair, AES Standards Committee Working Group on EMC
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