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Study on Resonance Mitigation in Metallic Shielding for Integrated Circuits

July 8, 2025 | Article by Maria Cuesta Martin, Victor Martinez, Vidal Gonzalez Aguado, Würth Elektronik

Inherent cavity resonant modes often lead to significant degradation of shielding effectiveness, responsible for unwanted electromagnetic coupling. Cavity resonant modes of the metal shielding enclosure can produce two adverse problems: the mutual coupling among different RF modules and shielding effectiveness reduction of the metal enclosure. The cabinets serve to shield certain components from electromagnetic interference (EMI). However, these cavities present some resonance peaks at 5 GHz, making it impossible to use them at higher frequencies.

I-Connect007’s Editor’s Choice: Five Must-Reads for the Week

July 4, 2025 | Marcy LaRont, I-Connect007

For our industry, we have seen several bullish market announcements over the past few weeks, including one this week by IDC on the massive growth in the global server market. We’re also closely watching global trade and nearshoring. One good example of successful nearshoring is Rehm Thermal Systems, which celebrates its 10th anniversary in Mexico and the official opening of its new building in Guadalajara.




MORE ARTICLES
COLUMNS:

Micro components have redefined what is possible in PCB design. With package sizes like 01005 and 0201 becoming more common in high-density layouts, designers are now expected to pack more performance into smaller spaces than ever...

A promising advancement in this space is the integration of embedded components directly within the PCB substrate. Embedded components—such as resistors, capacitors, and even semiconductors—can be placed within the internal layers...

Elementary, Mr. Watson: PCB Routing: The Art—and Science—of Connection

June 11, 2025 | John Watson, Elementary, Mr. Watson

Many people who design circuit boards love the routing part of the design. This is partially because we want to stop looking at the annoying rat's nest of connections, which seem to have no rhyme or reason at first glance. We want to...

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