Chipcon CC2420 reference design w/PA board rev B CC2420_w_PA_PCB.ZIP FABRICATION.PHO - fabrication drawing COPPER1.PHO - copper layer #1 (top side) COPPER2.PHO - copper layer #2 (inner ground plane) COPPER3.PHO - copper layer #3 (inner power plane) COPPER4.PHO - copper layer #4 (bottom side) TOPMASK.PHO - top side solder mask BOTTOMMASK.PHO - bottom side solder mask NCDRILL.DRL - drill data file NCDRILL.LST - drill list NCDRILL.REP - drill report