RALPH MORRISON

Author of:

Grounding and Shielding:
Circuits and Interference
Fast Circuit Boards:
Energy Management
Digital Circuit Boards:
Mach 1 GHz
The Fields of Electronics:
Understanding Electronics
Using Basic Physics



 

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It's All About the Space: A Tribute to Ralph Morrison. 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.



Tribute to Ralph Morrison: 'It's All About the Space'

Webinar Introduction by Daniel Beeker:
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."

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 Brd 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

  • Slide

    Slide 1 of 37


       

    Slides from 'It's All About the Space'