BeagleBoard is supported by a large community and its design documents, including architecture drawings of the printed circuit board (PCB) for use in manufacturing, are freely available for download.
BeagleBoard受一个规模很大的社区支持，而它的设计文档，包括生产用的印刷电路板(PCB)的架构草图，均可免费下载得到。
Using both types of devices, it becomes very easy to design a printed circuit board .
使用这两种类型的设备，它变得非常容易设计印刷电路板。
During the design of hardware circuits and printed circuit board, we take a series of measures to design the reliability of the system.
在硬件电路设计和印刷电路板设计过程中，采取一系列措施对系统进行了可靠性设计。
Adopt single some earth, multipoint earthing, mix earth, simulation circuit earth, digital circuit earth introduce PCB printed circuit board earth mentality of designing, design method, skill.
并通过单点接地、多点接地、混合接地、模拟电路接地、数字电路接地介绍了P CB印刷电路板接地的设计思路、设计方法与技巧。
The design rules and observing proceedings are presented from the layouts, wires placing and grounding of the printed circuit board (PCB) aiming at the EMC design of switch power supplies.
针对开关电源印制电路板的电磁兼容性设计，从PCB的布局与布线、接地等方面提出设计原则及注意事项。
In the design of the printed circuit board, the installation process of the components and parts has greater influence on performance of the printed circuit board.
在印制电路板的设计中，元器件的安装工艺对印制电路板的性能有较大的影响。
Circuit drawing CAD is a useful tool with which electric engineers design circuit elements drawings and printed substrates.
电路制图CAD是一项专门用来帮助电气工程技术人员设计电路原理和印刷电路板图的得力工具。
According to the Moore's law, it becomes more and more complex to design high-speed and high-density Printed Circuit Board (PCB).
根据摩尔定律，高速高密度印刷电路板(PCB)的设计变得越来越复杂。
This text analyses that earth noise and electromagnetic reasons and countermeasures penetrated emerge in the printed circuit board signal earth design of PCB.
本文分析pcb印刷电路板信号接地设计中产生接地噪声及电磁幅射的原因和对策。
Moreover, some basic rules of high-speed printed circuit board (PCB) design were discussed.
最后，本文还对高速印刷电路板（PCB）设计的一些基本规则进行了探讨。
The structural design, design parameters, material chosen and manufacture process of multi-pinhole compound die of main printed circuit board for large screen color TV are introduced.
介绍大屏幕彩色电视机主印制板多小孔复合模的模具结构、设计参数、材料的选用和制造工艺等。
As a standard technique of test and Design-For-Testability for testing the digital printed circuit board, Boundary-Scan technique has obtained widespread application in electronic equipment.
边界扫描技术是一种标准的数字电路测试及可测试性设计方法，它在工业界得到了广泛的应用。
Armature manufacture and design of 6-layers-serials printed circuit motor is introduced here.
介绍了六层印制绕组电机电枢的设计与的制作。
Learn how to design printed circuit boards for prototyping and manufacturing!
过来学习怎样设计原型和制造电路板吧！
Learn how to design printed circuit boards for prototyping and manufacturing!
过来学习怎样设计原型和制造电路板吧！
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