• 发文章

  • 发资料

  • 发帖

  • 提问

  • 发视频

创作活动
0
登录后你可以
  • 下载海量资料
  • 学习在线课程
  • 观看技术视频
  • 写文章/发帖/加入社区
返回

电子发烧友 电子发烧友

  • 全文搜索
    • 全文搜索
    • 标题搜索
  • 全部时间
    • 全部时间
    • 1小时内
    • 1天内
    • 1周内
    • 1个月内
  • 默认排序
    • 默认排序
    • 按时间排序
大家还在搜
  • H15Z15 Board circuit !!!!!!!

    H15Z15 Board circuit !!!!!!!

    2015-07-04 11:57

  • A Practical Guide to High-Speed Printed-Circuit-Board Layout

    , printed-circuit-board (PCB) layout is often one of the last steps in the design process.

    2015-01-23 11:01

  • PCB(Printing Circuit Board)简介

    1.PCB(Printing CircuitBoard)材料:印刷线路板,是由覆铜层压板制成,常用的覆铜层压板是覆铜酚醛纸质层压板、覆铜环氧纸质层压板,覆铜环氧玻璃层压板、覆铜环氧酚醛玻璃布层压板,覆铜聚四氟乙烯玻璃布层压板和多层板用环氧玻璃布等。环氧树脂与铜箔有很好的粘合力,且用环氧树脂做成的板子可以在260℃的锡炉中不起泡,也不容易受潮,故此种材料制作成的PCB应用较多。超高频的PCB最好使用覆铜聚四氟乙烯玻璃布层压板。在要求阻燃的PCB中也加入了一些阻燃树脂材料。2.PCB(Printing CircuitBoard)板层:(以四层板为例)silk screen (Top overlay): 丝印层solder Mask (Top/Bottom): 阻焊层Paste Mask (Top/Bottom): 锡膏层Top:顶层是元件层Bottom:底层是焊接层Drill Guide(Drill Drawing):钻孔层Keep out layer:禁止布线层,用于设置PCB边缘Mechanical Layer:机械层用于放置电路板尺寸Multi Layer: 穿透层Vcc Layer:中间电源层Gnd Layer: 中间地层

    2015-12-09 12:06

  • Design of Combinational Circuit

    Design of Combinational CircuitWhat is Combinational CircuitCombinational Circuit if–Outputs at a

    2008-09-11 09:33

  • AsynchronousvsSynchronous Circuit Design

    AsynchronousvsSynchronous Circuit DesignMainly useCombinationalLogic to do the decoding–Address

    2008-09-11 09:18

  • Calibration Circuit Idea Pictorial

    variety of digital calibration parts enables quick automated testing and adjustment.Calibration Circuit

    2011-06-13 00:15

  • CS8900A circuit application

    CS8900A    circuit application

    2010-05-17 10:35

  • DM9000A lan circuit application

    lan circuit application<br/></font><br/><br/&gt

    2009-11-23 21:13

  • PCI Express Board Design Guidelines

    PCI Express Board Design GuidelinesThis document provides practical, common guidelines

    2011-01-28 17:40

  • H151Z LCD BD Circuit 110118

    H151Z LCD BD Circuit 110118

    2015-07-16 19:32