Hello!
I am new to Protel and I would like to ask you questions regarding via�s and
pad�s.
The examples that Protel uses, specifically in the example of the 4 layers
PCB (Top, Bottom, InternalPlane VCC, InternalPlane GND) they use pads to
connect the Top or Bottom layer with the InternalPlane and use the via�s to
connect the Top and Bottom layers.
Why do they use the pads to connect the Top or Bottom layers with the
InternalPlane instead of using the via�s? Which are do you think is the best
to use, the via�s or the pad�s?
The second question that I would like to ask is about the Autorouter.
I used Autorouter to run four layers (Top, Bottom, VCC, GND) PCB. I was
hoping to see the connections from Top (Bottom) to InternalPlane only
through vias or pads, but I saw also the tracks that were connected on Top
and Bottom layers between VCC's and between GND's. Which Design Rules do I
need to setup to see only the vias or pads?
Any help would be appreciated.
Thank you.
Vladimir Bozin
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