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Which interface to route first?

Here is the list of priorities of interfaces to route when laying out PCB. Its recommended to start with the high speed ...

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45 vs 90 degree trace - here we go again

This discussion pops up from time to time. Here is the TLDR. For low speed signals, it really doesn’t matter what you us...

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Requirements and Specifications - Know the difference.

To build a successful product you must have a clear idea of what to build and how to plan for it. It all starts with wri...

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Why doesn't characteristic impedance depend on track length?

Whether the wire or trace is 10mm long or a mile long the characteristic impedance remains the same provided there is no change...

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Check out these 7 Electronics podcasts for honing your skills

Here is a list of electronics and embedded related podcasts. I love listening to these. Its a great way of keeping yourself up...

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How much silkscreen is enough?

When you design a PCB, in most EDA tools the designators (R1,C4 U7, etc.) are placed on the silkscreen. Silkscreen layer...

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Calculate this before Length matching Differential pair

When moving up from low speed design to high speed design, I saw engineers trying to length match USB 2.0 within 0.1mm or even ...

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Beware of Inrush Current: Why More Capacitors Aren't Always Better

When you design a product and if you are not really sure if you need an extra capacitor for one of the IC or a module. You add ...

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Warning: Your Pin-Compatible ICs Are Lying To You! (And Why It Matters)

Today, I want to talk about two ICs with the same footprint and the same function, yet they may not work interchangeably. <...

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Add those mount hole folks!

It’s such a small thing to add and yet it’s forgotten. All PCB must have some way of mounting the board insi...