1、 毕业论文毕业论文 论文题目: Protel 99原理图库元件 和PCB库元件的创建与管理 系 别: 物理与电子科学系 专 业: 物 理 学 Protel 99Protel 99原理图库元件和原理图库元件和PCBPCB库元件库元件 的创建与管理的创建与管理 摘摘 要:要: CAD技术的应用, 大大推动了电子、 微电子技术的进步, 技术的进步和市场竞争, 又导致了CAD技术的不断完善, 构成了计算机应用技术的一个重要分支。 EDA是继CAD 之后的新一代计算机设计系统,是电子领域内基于性能更强,环境更为完善的操作 设计系统。本文着重介绍Protel99软件的体系结构,特点及现存问题;并用这一软
2、件进行原理图库元件和PCB库元件的创建与管理的制作。 其中绘制了以常见典型插接 件、固态继电器和CPU插座为例的3个原理图库元件以及相应PCB库元件的封装形式; 介绍了属性设置对话框中各参数的含义;并生成相应的报告文件。 关键词关键词: Protel99 ; 绘图; 库元件; 封装 Protel 99 principles component of picture library and PCB storehouse components establishment with managed Abstract: The application of CAD technology, has pu
3、shed forward the advance of electron, microelectric technique greatly , The progress of technology competes with market, has caused the constant perfection of CAD technology again, Have formed an important branch of application technology of the computer. EDA is that the computer of new generation f
4、ollowing CAD designs the system, stronger because of performance in an electronic field , Design the system in operation with more perfect environment. Introducing the system structure of Protel 99 software emphatically, the characteristic and extant question; And carry on establishment of the component of picture library of principle and PCB storehouse component and making of management with this software. Have drawn 3 principles component of picture library and en