Electronics

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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...

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Develop this 5 Rules set before starting any PCB design

The first thing you should do after importing the net list to your PCB design tool, is to define the rules. The rules de...

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Don’t forget about thermals when levelling up

At some point in your design journey, you will take the leap from designing products around microcontrollers to designing produ...

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How to know if your design is high speed design?

First of all when I say high speed, it doesn’t mean high frequency, it means quick signal transition. If the trace is lo...