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

June 12, 2026 | Nolan Johnson, I-Connect007

It’s nearly the summer solstice, and here in the Pacific Northwest, the changing of the seasons will be like walking through a door. This week, while it’s still spring, we’ve been trudging through daytime highs of barely 60°F (15°C) with weather cells bringing rain squalls, thunderstorms, or gale-force winds. Next week, just as we approach the start of Summer, we’ll be sweltering near 100°F (38°C). So, while I wear a jacket at my desk today, in just a few days I’ll be wearing summer gear. I take this as a gentle reminder to always plan for the short term and the long term simultaneously.

Signal integrity follows physics that are consistent, predictable, and fully explainable. But those rules don’t show up in the schematic. Instead, they live in the electromagnetic fields around the traces, in the stackup, and in the relationship between conductors and their return paths. The authors weren’t claiming black magic; they were calling out how it feels until you learn what’s going on. The fact that they said it more than 30 years ago only reinforces how fundamental and enduring these concepts really are.




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Connect the Dots: What Designers Should Know About Non-conductive Via Fill

May 28, 2026 | Matt Stevenson, Connect the Dots

The rapid advance of technology is driving changes in electronics that require increasingly smaller boards capable of handling higher signal speeds and supporting more robust software applications. Manufacturers are increasingly...

Signal integrity (SI) in PCB design has moved from a niche engineering concern to the defining factor in whether modern electronics succeed or fail. As data rates push beyond PAM4 (4-level 112G) gigabit territory and SerDes components...

Electrical test failures represent one of the most critical decision points in PCB manufacturing because they directly expose defects that affect circuit functionality. Unlike cosmetic anomalies or minor process deviations, these...

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