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想看CC2540_USB_Dongle的参考设计，但是其PCB文档CC2540_USB_Dongle.PCB试过用PADS和Protel99都打不开，请问是永什么软件打开？
CADSTAR Design Editor
可以用Altium Designer打开，打开时用Import功能，文件的来源要选择
CADSTAR Design Editor 。
有没有碰到过导入之后，出来的版图是乱七八糟的情况？ 我好想碰到过。
