Four Commonly Held Myths of EMC Design

Judy Warner
|  Created: March 29, 2021  |  Updated: April 7, 2021
Four Commonly Held Myths of EMC Design

“Don't gap your ground plane, there's never really a good reason to do that.” - Dr. Todd Hubing

Dr. Todd Hubing debunks the EMC myth. Dr. Hubing has authored or co-authored over 200 papers and presentations on electromagnetic modeling, electromagnetic compatibility (EMC), and the design of reliable electronic systems. In this episode he shares with us 30 years worth of knowledge, tested and proven facts about EMC.

Listen to the Podcast:

Download this episode (right click and save)

Watch the video:

Show Highlights:

  • Introduction
  • Learn EMC, Resources and Courses
  • EMC question of the week from 2017 - 2020 compiled in a book, available now.
  • EMC design guidelines: Top 4
    • Solid ground planes should be gapped between analog and digital circuits.
    • The decoupling capacitor should be located as close as physically possible to the IC’s power pin.
    • On multi-layer boards, the best stack-up is...
    • To suppress common-mode noise, the power input on a circuit board should have a common-mode choke.

Links and Resources:

Learn EMC Website (Resources and courses)
EMC Resource Page on the Learn EMC Website
Book: EMC question of the week: March 2017-December 2020. Now available.
EMC Design Guideline Collection (including the top 4, with over 30 years worth of wisdom here!)
Find Learn EMC and Dr. Todd Hubing on LinkedIn, Twitter and Facebook


Altium 365: Where the World Designs Electronics

About Author

About Author

Judy Warner has held a unique variety of roles in the electronics industry for over 25 years. She has a background in PCB Manufacturing, RF and Microwave PCBs and Contract Manufacturing, focusing on Mil/Aero applications. 

She has also been a writer, blogger, and journalist for several industry publications such as Microwave Journal, PCB007 Magazine, PCB Design007, PCD&F, and IEEE Microwave Magazine, and an active board member for PCEA (Printed Circuit Engineering Association). In 2017, Warner joined Altium as the Director of Community Engagement. In addition to hosting the OnTrack Podcast and creating the OnTrack Newsletter, she launched Altium's annual user conference, AltiumLive. Warner's passion is to provide resources, support, and advocate for PCB Design Engineers worldwide.

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