WEBINAR: It’s All About the Space, A Tribute to Ralph Morrison
Sierra Circuits presents ‘It’s All About the Space’, a webinar presented by Elizabeth Morrison, Daniel Beeker, Rick Hartley and Kenneth Wyatt who pay tribute to Ralph Morrison, leading pioneer in the field of high frequency / high reliability electronic control system design.
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Overview
Unassuming and humble, Ralph Morrison spent his entire career seeking the connection between the world of electronics and the underlying physics. He published his first book in 1967, which became a foundation text for the signal integrity and EMC community. Ralph’s keen understanding of electromagnetic fields and energy management provided a wealth of knowledge which he tried to give to the world. Unfortunately, most of the electrical engineering world failed to recognize this incredible gift. Ralph’s teachings were mostly ignored by academia and industry alike. We will never know the true measure of Ralph’s genius, now that we have lost him. We hope that today, you will get a little closer to understanding his contributions, and take this opportunity to follow in his path to understanding the world of EM physics and use this knowledge to be more successful in your product development. It is all summed up in the following statement from Ralph: “Buildings have walls and halls. People travel in the halls not the walls. Circuits have traces and spaces. Energy and signals travel in the spaces not the traces.”
Make sure you also watch our webinar on PCB design for low EMI by Ken Wyatt .
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Agenda
Introduction by Daniel Beeker
Life, Education and Publications
Ralph’s Rules
Field Stays Put
Electromagnetic Field Energy
The New Reality
How a Signal Propagates on a Microstrip
PC Board Design for Low EMI: Rules
Typical, But Poor, 4-Layer Design
Lower EMI 4-Layer Board Stack-Up
Lower EMI 6-Layer Board Stack-Up
Lower EMI 8-Layer Board Stack-Up
Very POOR 8-Layer PC Board
Very POOR 10-Layer PC Board
Discontinuous Return Paths & Crossing Gaps
Demo-Gap in Return Plane
Difference Between Gapped and Ungapped
References
Q&A Session
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Teaser
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Testimonials
”This was one of the best webinars I’ve ever watched, and I stayed for the whole thing. Definitely worth watching again later. It will be a huge help to many PCB designers out there!”
Jody Waltzer , PCB Layout Engineer
”Thanks to Sierra Circuits for setting up this excellent webinar. Ralph’s rules on electromagnetic field energy really gave me a new perspective on EMC. It is a great tribute to Ralph and a very informative seminar.”
Sheran Alles , Technical Expert
”I enjoyed the presentation...
