PROTEL 习题 一些可能对大家有用的东西-PROTEL Problem that may be useful to all of us something

电子产品的轻薄小巧化发展，致使电路板的布局也越趋紧凑，3mil的线宽与线距及高频板应用已非常普遍。 面对日益精密的电路板，传统的菲林尺等抄板手段已不能保证其精度与效率。 下面为大家介绍一种最方便最高效精准的抄板方法，只需要你稍有PROTEL电路基础就能轻易掌握。-Slim development of electronic products, resulting in circuit board layout is also becoming more compact, 3mil l

这是基于Protel的电路布线，希望能够帮助大家-This is based on the Protel circuit wiring, we hope to help

电力监控产品的原理图是PROTEL 99格式的。可以做为设计参考-Schematics power monitoring product is PROTEL 99 format. Can be used as design reference