Home » Lessons Learned: My first PCB
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Errors...

Submitted by Anonymous Douchebag on Sun, 06/27/2010 - 17:26.
Yeah, it remembers me my PCB design beginnings. Nobody makes complex bard without any error first time. I also used wires, hotglue, scalpel etc. to remap wrong footprints. I had also nice bug on power bus on one 4-layer PCB. After routing I put there some 3,2mm mounting holes but I forgot to define annular rings in inner layers. OrCAD was so "smart" that didn't reported any DRC error and flooded coppoer pour of Vcc and Gnd layer over the holes. I discovered it at the moment when I had completly placed all parts on the board an connected power supply and got a perfect short - panic! After some painfull hour I found this problem in layout and happily got a driller and drilled out the copper from the holes by 4mm driller and then the design worked fine, no more errors :) Martin

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