PCB Assembly Services - Screaming Circuits: PCB Design Tip of the Day


PCB Design Tip of the Day

There’s nothing like a good synonym roll, just like Grammar used to make. AKA Semantics do matter in schematics, especially when dealing with multi-page schematic diagrams, reusing schematic sections or working on a team project.

Tip of the day: Use Consistent Net names

If you have copied pages from other schematics and placed them in your current project, or are working with a team of engineers, it’s essential that you take a few minutes to confirm you have used the consistent net names and abbreviations. Net names are critical, as using a non matching name will result in a non-connected trace. Abbreviations are important because they help with understanding.

Common aspects like ground and power are big culprits here. Often we see “gnd” on one page followed by “gnd1” on another. This inconsistency results in major errors, and is even more common with power nets, with +5v on one page, +5 on another. Correct Net names and abbreviations are one of the first things we look at when we begin a project.

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