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。
Shorts may cause a PCB to fail other tests and may damage the tester or the board under test if you must apply power to the board.
短路可能导致印刷电路板不能通过其它测试，在对电路板上电后，会损坏测试设备或电路板。
It introduces how to design a PCB board of high speed data transmitting system based on PCI part bus, including the discussing of hardware agreement and software agreement.
文章介绍了如何通过PCI局部总线实现高速的数据传送，即介绍了对PC I接口板的开发介绍，其中包括它的硬件协议和软件协议的讨论。
Hardware include the whole programming of circuit, design, anti-jamming circuit, principal chart of circuit, the circuit board of PCB, jointing the circuit, debugging and assemble the system.
硬件设计包括电路的系统规划、设计、抗干扰电路的设计、原理图的绘制、PC B电路板的制作、电路的焊接、电路的调试以及整个系统的组装。
It will be widely use to broaching the high quality PCB board and other accurate mechanical broaching, and so on.
种高质量pcb的钻孔和各种机械部件的精确钻孔等其它精确钻孔的应用。
Easy assembly and can be combined, do not need the PCB board, immediate contact rad.
组装方便，可自由搭配和组合，无需PCB板，直接接触散热片。
Easy assembly and can be combined, do not need the PCB board, immediate contact radiator fin.
组装方便，可自由搭配和组合，无需PCB板，直接接触散热片。
One is not the very complex function, if develops in the 50s with the US 74 series, or the 60s's CD4000 series these pure hardware do decides, the electric circuit certainly are a big PCB board!
一个不是很复杂的功能要是用美国50年代开发的74系列，或者60年代的CD 4000系列这些纯硬件来搞定的话，电路一定是一块大PC b板！
If a PCB has low insulation resistance (ir), it can degrade the performance of the circuits on the board considerably.
如果某块PC B具有低绝缘电阻(IR)，则会大大降低印制板上电路的性能。
Low surface insulation resistance (SIR) of a printed circuit board (PCB) can degrade the performance of the circuits on the board considerably.
印制电路板的表面绝缘电阻(SIR)低会大大降低电路板的电路性能。
According to the PCB board design of the SCM system, general it includes the components' selection and layout, assigning wires, ground wires design, wave filtering and shielding design, etc.
围绕单片机系统PC B板的电磁兼容设计，常规应包括元器件的选择和布局、布线、地线系统、滤波和屏蔽的设计等等。
Introduce the PCB board layout, the principle of the layout of components, debug the hardware circuit after welding and present the module debugging method.
介绍了PC B板布线、元件布局的原则，焊接后进行硬件电路调试，介绍了各模块的调试方法。
A function is not very complicated if the United States the development of the 50's series of 74 or 60 during the CD4000 series to get these pure hardware, the circuit must be a big PCB board!
一个不是很复杂的功能要是用美国50年代开发的74系列，或者60年代的CD 4000系列这些纯硬件来搞定的话，电路一定是一块大PC B板！
By electromagnetic theory analysis, this paper presented a planar hollow coil current transformer based on printed circuit board (PCB).
通过电磁理论分析，提出了一种基于印刷电路板(PCB)的平面型空心线圈电流互感器。
The problems of 14 points TSP and optimal moving path for printed circuit board (PCB) were solved.
并求解了14个点的TSP问题与印刷电路板(PCB)数控钻走刀路线优化问题。
Analyzed and studied the parasitic capacity and the inductance effect which the hole produces, Analyzed the influence of PCB board hole to the radio frequency transmission performance;
分析了过孔产生的寄生电容和电感效应，PCB板过孔对射频传输性能的影响；
The core of PCB (printed circuit board) tester is testing algorithm, which directly determines the testing functions and speed of PCB tester.
印刷电路板(简称pcb)测试机的测试算法是PC B测试机的核心，它直接决定测试机的测试功能和测试速度。
Select the PCB board must meet the design requirements and production and cost the middle point of balance.
选择PCB板材必须在满足设计需求和可量产性及成本中间取得平衡点。
The final demodulation module pass the debugging on PCB board and apply on production.
最终的解调模块在实际的PC b基板上调试通过，并应用在实际产品中。
In the process of print circuit board (PCB) production, the surface mount is an extremely important step, its speed directly affects the production efficiency.
在印制电路板的生产过程中，表面贴装是极为重要的一环，其速度直接影响着生产效率的高低。
The article introduced the concept of on-line test, expounded the flow and theory of on-line test for PCB(printed circuit board), and analyzed several technics of on-line test.
简单介绍了在线测试这一概念；阐述了印刷电路板在线测试的流程和原理；分析了几种在线测试中的工艺性测试。
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。
A method for the determination of six inorganic anions on the surface of Printed Circuit Board (PCB) by non-suppression ion chromatography was proposed in this paper.
本文提出了一种利用非抑制型离子色谱法测定印制电路板表面六种无机阴离子污染物的方法。
Thermal fatigue life of lead-free solder joint of Air-conditioner PCB (Printed Circuit Board) under the form of THT (Through Hole Technology) is studied.
本文对空调器印刷电路板(PCB)通孔插装形式无铅焊点的热疲劳寿命进行了研究。
Advanced electroplating processing production line monthly production and processing of 15000-18000 - square - meter PCB circuit board products.
先进的电镀加工生产线每月可生产加工15000- 18000平米pc B线路板产品。
With the development of semiconductor process technology, nowadays a system on a PCB (Printed Circuit Board) which is composed of several ICs can be integrated into a chip.
随着集成电路制造工艺的飞速发展，人们已经可以将原先用各种电路搭建的板极系统集成在一块芯片上。
It is described that a kind of Faraday cup array detector, which consists of Faraday cup, suppressor electrode electrode, insulation PCB board, Base etc.
描述一种法拉第筒阵列探测器，其由拦截式法拉第筒、抑制电极、绝缘层和底座等组成。
To smear solder flux paste or colophony on the PCB board of the dismantlement of BGA, remove the tin of welding plate of PCB board with ferrochromium;
在拆除BGA的PCB板焊盘上涂上助焊膏或松香水，用电铬铁将PCB板焊盘上的锡去除；
Machining of PCB (printed circuit board) is a typical process of two dimensional multi hole.
印刷电路板pcb的加工是二维多孔数控钻的典型。
Machining of PCB (printed circuit board) is a typical process of two dimensional multi hole.
印刷电路板pcb的加工是二维多孔数控钻的典型。
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