课程目的：通过设计原理图及印制电路板 图掌握Protel 99 SE的操作方 法，培养大家的动手能力，增 强基本技能。-Course Objective: To design schematic and printed circuit board plans to master the operation of Protel 99 SE methods, and foster our practical ability to enhance basic skills.

电路原理图转换软件，中文说明文档及软件。可以将protel 99se,orcad,p-cad,cadstar,cadence的电路图文件一步转换成PADS原理图。-protel orcad cadence p-cad cadstar to pads file,to convenience PCB layer,It circuit design fan to help study.