How much resistance does one plated through hole contribute to a net? This is something that tripped up many hardware designers, but there’s an answer … Read More

Traveling through a barrel in a via means moving from one layer to another. That barrel is a very small tunnel of copper, and frequently … Read More

When everything is designed at high speeds, every detail counts. A small change in signal trace impedance can transform a pristine signal into an unusable … Read More

You trusted the trace width and never checked its thickness, you assumed the dielectric was uniform when it wasn’t… Something that passes signal integrity test … Read More

When impedance mismatch causes a signal to reflect off a badly matching trace for the first time, it doesn’t look like an error on a … Read More

Traditionally, the usual workflow involves guessing a trace width and checking the impedance afterward. With the PCB Trace Impedance Calculator, you select the topology and … Read More

Whether it’s a high current digital board, motor driver circuit, or any power supply layout, every hardware engineer who sees a schematic is worried that … Read More

The IPC-2221 standard gives you a way to calculate the maximum amount of current that a given width of copper trace can carry; this helps … Read More

A printed circuit board is covered in copper traces, which behave like resistors, and yes, you can measure them. Sure, you may have designed a … Read More

Then again, you get the board back and discover the power rail melted before the thing powered up. Nobody wants to admit how often that … Read More