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Look Before You Leap

In this installation of Engineering Nightmares, Robert Haller explores a keystone rule to keep in mind when troubleshooting signal integrity problems. Learn why signal integrity engineers should never perform a measurement or simulation without first anticipating what they expect to see.



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A Three-Step Process for Characterizing Self-Generated Interference for Wireless or IoT Products

The proliferation of electronic products has made compatibility between devices increasingly important. Products must not interfere with one another and must be designed to be immune to external energy sources. Kenneth Wyatt helps product designers or EMC engineers learn how to characterize this self-generated EMI so that these issues are addressed early when costs and design changes are minimized.


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Finite Element Modeling of Copper Foil Loss From AFM Measurements

DesignCon 2023 Best Paper Award Winner

The roughness of copper foils has a detrimental effect on signal loss in PCBs. Therefore, reducing roughness is crucial in minimizing signal loss. Nevertheless, roughness is essential to ensure a good adherence between the prepreg and the copper foil. A compromise must be found between adherence and power integrity. This paper presents a novel approach to evaluate signal loss without assuming any specific roughness shape.    


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