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Elementary, Mr. Watson: Rein in Your Design Constraints

July 10, 2025 | John Watson, Elementary, Mr. Watson

I remember the long hours spent at the light table, carefully laying down black tape to shape each trace, cutting and aligning pads with surgical precision on sheets of Mylar. I often went home with nicks on my fingers from the X-Acto knives and bits of tape all over me. It was as much an art form as it was an engineering task—tactile and methodical, requiring the patience of a sculptor. A lot has changed in PCB design over the years.

Study on Resonance Mitigation in Metallic Shielding for Integrated Circuits

July 8, 2025 | 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.

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Target Condition: Are Autorouters Friend or Foe?

July 1, 2025 | Kelly Dack, Target Condition

For PCB designers, just hearing the word “autorouters” can trigger everything from eye rolls to heated debate. We all have stories—some painful, some comical—of boards gone sideways at the hands of an overzealous routing...

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...

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