之前使用过cadence画过几块板子,一直没有做过整理。每次画图遇到问题时,都查阅操作方法。现在整理一下cadence使用经历,将遇到问题写出来,避免重复犯错。 在Allegro系统中,建立一个零件(Symbol)之前,必须先建立零件的管脚(Pin)。元件封装大体上分两种 ...
现在但凡打开SoC原厂的pcb Layout Guide,都会提及到高速信号的走线的拐角角度问题,都会说高速信号不要以直角走线,要以45度角走线,并且会说走圆弧会比45度拐角更好。事实是不是这样?PCB走线角度该怎样设置,是走45度好还是走圆弧好?90度直角走线到底行不行 ...
KiCad 6.0 open-source EDA software for schematic capture and PCB layout adds hundreds of new features, enhancements, and bug fixes. A refreshed user interface makes the visual design language, hotkeys ...
现在但凡打开SoC原厂的pcb Layout Guide,都会提及到高速信号的走线的拐角角度问题,都会说高速信号不要以直角走线,要以45度角走线,并且会说走圆弧会比45度拐角更好。 大家开始纠结于pcb走线的拐角角度,也就是近十几二十年的事情。上世纪九十年代初,PC界 ...
KiCAD EDA is a free, open-source, and cross-platform electronic design automation suite. This software contains three different modules including Schematic Editor, PCB Layout, and 3D Viewer. Schematic ...
Here we are listing you a collection of best Linux supported PCB design software which are simple, easy to use to access or download. Since Linux Operating System becomes more and more popular, many ...