PCB Design & Manufacture

PCB Design and manufacture.

EEVblog #1176 – 2 Layer vs 4 Layer PCB EMC TESTED!

What difference does a 4 layer PCB make to EMC radiated emissions compared to an identical 2 layer PCB? And why? Dave does H-Field near-field probe testing on two otherwise identical PCB’s. Electromagnetic waves and the difference between near field and far field, and H-Field and E-field probes and wave ...

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EEVblog #1158 – How To Create PCB Mod Boards

PCB mod boards are useful for a whole range of applications and scenarios from production to upgrades, repair, and hacks. Dave shows you several examples and talks about creating manufacturing panels for them, along with castellations, V-Scoring, routing, and manufacturability. Forum HERE Podcast: Download

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EEVblog #1117 – PCB Power Plane Capacitance

Are power planes in a 4 layer PCB any good as a capacitor? Can it work as one big bypass capacitor? A look at an discussion on PCB layer stackups, and some measurements on 4 and 8 layer PCB power planes with different prepreg thicknesses and how well they work ...

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EEVblog #1029 – BGA PCB Fanout

Dave looks at some issues with fanning out tiny 0.4mm pitch BGA packages, via pad and hole size, tenting, breakouts, solder mask expansion etc. And then compares it with an 1136 pin Xilinx Virtex 5 FPGA with 1mm pitch to show the difference in PCB process technologies needed. Forum HERE ...

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EEVblog #975 – Human vs Autorouter

Which produces the better PCB layout, a human or a computer? By popular request, a walkthough to see what the Altium Situs Autorouter can do on the Nixie tube PCB layout. Does it beat Dave’s human layout? How useful are autorouters? Forum HERE Podcast: Download

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