EDI CON Online
Title: How to Evaluate Shielding Absorbers for IoT/Wireless Products
Date: August 4, 2021
Time: 9:30am PT / 12:30pm ET
Presented by: Kenneth Wyatt, Principal Consultant, Wyatt Technical Services LLC
Self-interference to IoT, cellular and wireless receivers from on-board energy sources, such as DC-DC converters, has become a real challenge for manufacturers. One possible mitigation is to absorb some of this radiated energy using ferrite absorber material, but manufacturers of this material usually don’t provide adequate absorption or shielding data. The presentation will describe a simple way to quickly characterize various materials to help determine the best one to use, based on receiver frequency. An interesting case study will also be described.
Kenneth Wyatt is principal consultant of Wyatt Technical Services LLC, as well as past senior technical editor for Interference Technology Magazine (2016 to 2018). He is based in Colorado and has worked in the field of EMC engineering for over 30 years with a specialty in EMI troubleshooting and pre-compliance testing. He trains and speaks internationally, is widely published, and is the co-author of the popular EMI Troubleshooting Cookbook for Product Designers and newly-released and affordable three-volume set of books on benchtop EMC troubleshooting and pre-compliance testing. He may be contacted through his web site, http://www.emc-seminars.com.
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