系统、全面地阐述了使用Protel 99 SE进行原理图及印制电路板的设计技巧及操作方法。主要内容包括Protel 99原理图的设计、原理图编辑器报表文件的生成、原理图元器件设计、PCB设计基础、PCB元器件封装设计等。-Systematically and comprehensively describes the use of Protel 99 SE be schematic and PCB design techniques and methods of operation. The main contents include Protel 99 schematic design, generate the schematic editor of the report file, schematic component design, PCB design basis, PCB component package design.