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Description: 为了将零件固定在PCB上面，我们将它们的接脚直接焊在布线上。在最基本的PCB（单面板）上，零件都集中在其中一面，导线则都集中在另一面。这么一来我们就需要在板子上打洞，这样接脚才能穿过板子到另一面，所以零件的接脚是焊在另一面上的。因为如此，PCB的正反面分别被称为零件面（Component Side）与焊接面（Solder Side）。-parts to be fixed above the PCB, we will take their feet welded directly on the wiring. At its most basic PCB (single-panel), parts of which are concentrated in the side, wire were concentrated on the other side. Suppose we need burrows on the board, then through the legs of another plank, then parts of the legs is another welding in the face. Because of this, the PCB is negative components were known as surface (Component Side) and the welding surface (Solder Side).
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Size: 305152 |
Author: 李明 |
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Description:
protel的快捷操作，
以及一些重要的教学安排．不错的-Protel a fast operation, and that some important teaching arrangements. Good
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Size: 95232 |
Author: 古 尘 |
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Description: Protel99SE的简明教程.Protel99SE是电路设计的入门软件，本文进行对原理图、PCB设计进行简明介绍，帮助初学者迅速上手。-Protel99SE the simple tutorial. Protel99SE circuit design is the portal software This paper conducted the diagram, PCB design concise introduction to help beginners get started quickly.
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Size: 387072 |
Author: 高凯强 |
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Description: Protel99 SE常用元件封裝庫(pcb)-Protel99 SE commonly used for packaging components (pcb)
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Size: 11264 |
Author: 张勇 |
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Description: C8051F系列单片机的protel 99 PCB封装库和原理图。-C8051F Series Singlechip protel 99 PCB and schematic library package.
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Size: 34816 |
Author: 官中华 |
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Description: 详细介绍了使用Protel99绘制PCB的方法-Described in detail the use of Protel99 mapping method of PCB
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Size: 2051072 |
Author: 王喜顺 |
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Description: Protel99入门与提高一书主要讲解了PROTEL的简介，原理图的绘制，PCB板的制作，对初学者有很大的帮助。-Protel99 entry and improve the book mainly on the PROTEL introduction schematic drawing, PCB board production, have to be very helpful to beginners.
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Size: 8802304 |
Author: 020 |
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Description: 射频电路PCB设计
介绍采用Protel99 SE进行射频电路PCB设计的流程。为保证电路性能，在进行射频电路PCB设计时应考虑电磁兼容性，因而重点讨论元器件的布线原则来达到电磁兼容的目的。
-PCB RF circuit design is introduced to Protel99 SE RF PCB design process. In order to ensure circuit performance, in RF circuit PCB design should be taken into account electromagnetic compatibility, which focused on the principles of cabling components to achieve the purpose of electromagnetic compatibility.
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Size: 7168 |
Author: li |
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Description: Protel 软件能设计、绘制电子线路原理图和PCB印刷板图；并能进行相应的电路检测-Protel software design, drawing electronic circuit schematic and PCB printing plate map and corresponding circuit detection
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Size: 229376 |
Author: 梁德锋 |
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Description: S3C2440底板电路图PCB与原理图SCH-PCB-S3C2440 backplane PCB and schematic circuit diagram SCH-PCB
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Size: 293888 |
Author: 孙梦新 |
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Description:
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Size: 2762752 |
Author: chenming |
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Description: P89V51RD2+AD9852 PCB文件,protel99格式.-P89V51RD2+ AD9852 PCB file, protel99 format.
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Size: 215040 |
Author: 张 |
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Description: PROTEL99 的元器件封装库，适合开发人员使用-PROTEL99 component package library for developers to use
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Size: 589824 |
Author: david |
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Description: 串口一转四的模块，包括了原理图和PCB版图。另外还有主要芯片VK3214的资料和通信协议的介绍-Serial 1 turn four modules, including schematic and PCB layout. There is also the main chip VK3214 information and communication protocols introduced
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Size: 544768 |
Author: 沈路平 |
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Description: 嵌入式ARM9原理图、PCB，用protel可打开-Embedded ARM9 schematic, PCB, can be opened with protel
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Size: 492544 |
Author: beifeng024 |
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Description: protel99se常用元件库大全，适合做PCB板的同志。-protel99se
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Size: 4649984 |
Author: Carter |
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Description: Protel常用封装库元件库，PCB库存封装缩写说明
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Size: 9826304 |
Author: Roy |
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Description: 有关PCB布局布线的一些基本常识，很实用-PCB layout some basic common sense, very practical
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Size: 10240 |
Author: 李枫 |
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Description: PROTEL99 TSOP40 FOOTPRINT
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Size: 3072 |
Author: marvinsaint
|
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Description: 交通灯PCB原理图，包含如何设计，PCB图的转换(Traffic light PCB schematic diagram)
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Size: 5120 |
Author: 喵啊喵喵喵 |
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