Protel 99 SE.zip
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Protel 99 SE是一款经典的电子设计自动化(EDA)软件,主要用于电路原理图设计和PCB板布局布线。这个资源安装包包含了使用Protel 99 SE进行电子设计的一系列步骤,帮助用户从无到有创建并完成一个完整的电路项目。 我们要了解Protel 99 SE的工作流程。在“一、新建pic1,pic2,pcb1”中,pic1和pic2可能代表两个不同的电路原理图项目,而pcb1则表示对应的PCB设计文件。创建这些文件是设计过程的起点,用户将在这里绘制电路原理图和定义PCB布局。 在“二、画图,放置元件”阶段,用户将利用Protel 99 SE内置的元件库来选择和放置电路中的各个组件。这些元件包括电阻、电容、晶体管、IC等。用户可以在原理图编辑器中自由拖放元件,并通过导线连接它们,形成完整的电路网络。同时,可以设置元件属性,如值、封装等,确保设计的准确性。 “三、制作mylib,导入到库中”涉及到了自定义元件库的创建。mylib可能是用户创建的一个个人元件库,包含自己设计或特殊需求的元件。用户可以通过绘制元件符号和封装,然后将其导入到库中,方便日后重复使用。这个过程对于处理非标准元件或者公司内部专有元件尤其重要。 “四、检查各元器件名称,并确定封装生成erc文件,bill of material”是设计验证的关键步骤。ERC(Error Checking)文件是用来进行设计规则检查的,它会自动扫描设计中的错误,如短路、开路、未使用的引脚等。通过ERC,用户可以及时发现并修正问题。Bill of Material(BOM)则是元件清单,列出所有用到的元件及其数量,对生产制造非常有用。 在实际操作中,用户还需要掌握如何进行PCB布局布线,这包括元件的物理位置安排和导线的连接,以及考虑散热、信号质量等因素。此外,还要进行DRC(Design Rule Check)以确保PCB设计符合制造工艺的要求。 Protel 99 SE的压缩包文件“Protel 99 SE”可能包含了软件安装程序、教程文档、示例工程文件等,用户可以通过这些资源来学习和实践电子设计。学习和熟练掌握Protel 99 SE,不仅可以提升电子工程师的设计效率,还能为复杂的电路设计提供强大的工具支持。
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