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PCB is the acronym to Printed Circuit Board. A PCB is a carrier for the circuit's components and their electrical connections.

1
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Colors like green, blue and red are used commonly, as said by others, for lead containing pcb (e.g. solder), RoHs compliant one, and prototype. It's a good choice to distinguish things. We use black …
answered Sep 1 '17 by andrea
0
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It seems that your LVDS lines are quite close to those vias. Additionally it is not clear how long they are from source to load. I explain why. From a book on RF measurements & pcb design I wrote a …
answered Sep 3 '17 by andrea
4
votes
If your pcb goes in a product that shall be certified for electrical safety, standards such as IEC 60950-1 and IEC 61010-1 shall be read carefully. The accepted creepage distance depends on the … Comparative Tracking Index (CTI) of the pcb material (in the table it is the "material"), on pollution degree, if traces are on the same or different layers, if the required insulation is Basic, Functional …
answered Sep 1 '17 by andrea
0
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The measured 7V is not incompatible with the observed 5 and 3.3 V outputs in your scheme (see last bullet); it is still working but very inefficient. The MOS seems to act as a series-connected linear …
answered Apr 26 '17 by andrea