Signal Integrity Journal Webinar Series

Title:  Ten Tips for Reducing On-Board DC-DC Converter EMI for IoT/Wireless Devices

Date:  November 10, 2020

Time:  8am PT/ 11am ET

Presented By: Ken Wyatt, Principal Consultant at Wyatt Technical Services, Inc.

Sponsored by:  Rohde & Schwarz 

Abstract:

An increasing number of manufacturers are adding or retrofitting wireless technology into new or existing products. These products typically include mobile, household, industrial, scientific, and medical devices. This transition towards “everything wireless” is in full swing and with it comes problems with EMI. That is, EMI from the product itself interfering with sensitive onboard cellular, GPS/GNSS, and Wi-Fi/Bluetooth receivers. One of the predominant, sources of this self-interference comes from today’s DC-DC converters running between 1 and 3 MHz. This presentation will describe ten tips for reducing this interference from DC-DC converters.

Presenter Bio:

Ken Wyatt holds degrees in biology and electronic engineering and has worked as a product development engineer for 10 years for various aerospace firms on projects ranging from DC-DC power converters to RF and microwave systems for shipboard and space platforms. For over 20 years, he worked as a senior EMC engineer for Hewlett-Packard and Agilent Technologies in Colorado Springs where he provided comprehensive EMC design and troubleshooting services. During that time, he developed and provided advanced EMC training and corporate leadership for EMC. Ken is a senior member of the IEEE and a long time member of the EMC Society where he served as their official photographer for 10 years.

A prolific author and presenter, he has written or presented topics including RF amplifier design, RF network analysis software, EMC design and troubleshooting of products and use of harmonic comb generators for predicting shielding effectiveness. His specialty is EMI troubleshooting and is a co-author of the popular EMC Pocket Guide and RFI Pocket Guide. In 2014, he coauthored the book with Patrick André, EMI Troubleshooting Cookbook for Product Designers, with forward by Henry Ott.

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