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[4 layers PCB with SMD components]


1 comment

  • Boss .

    Through hole components have a hole that goes through the whole PCB, this plated hole will connect with any layer so DSPCB correctly inserts the 'internal' pad on the correct layer.

    SMD's have a pad on one surface only, so to connect to a power plane you have to do it by placing a via which passes through all the layers at end of a piece of track in a position that is suitable.


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