zh-cnGoodspeed Rss20Sun, 12 Oct 2008 03:01:42 GMTThu, 05 Apr 2007 14:02:08 GMThttp://blog.ednchina.com/looker/20717/message.aspxZuken CR5000 Board Designer 7.0 (Board Designer - 非常强大的PCB新一代电子整机系统设计软件)，让PCB设计具有3D图层显示与元件之间关联功能！也是业界最强大的PCB自动布线系统！遗憾的是：每个ZUKEN CR5000的License就要10万美元，http://blog.ednchina.com/looker/20717/message.aspxlookerThu, 05 Apr 2007 13:49:41 GMThttp://blog.ednchina.com/looker/20710/message.aspxMentor EN create part number时，read 相应的原理图symbol ，为何数目显示为0，view进去后什么也没有。路径是对的。http://blog.ednchina.com/looker/20710/message.aspxlookerTue, 27 Feb 2007 09:43:27 GMThttp://blog.ednchina.com/looker/16747/message.aspx各位朋友： 过年好！恭喜发财！恭喜发财！http://blog.ednchina.com/looker/16747/message.aspxlookerThu, 01 Feb 2007 10:34:02 GMThttp://blog.ednchina.com/looker/15652/message.aspx在直流电源回路中，负载的变化会引起电源噪声。例如在数字电路中，当电路从一个状态转换为另一种状态时，就会在电源线上产生一个很大的尖峰电流，形成瞬变的噪声电压。配置去耦电容可以抑制因负载变化而产生的噪声，是印制电路板的可靠性设计的一种常规做法，配置原则如下： 　　●电源输入端跨接一个10～100uF的电http://blog.ednchina.com/looker/15652/message.aspxlookerFri, 26 Jan 2007 10:51:03 GMThttp://blog.ednchina.com/looker/15049/message.aspx传输线理论与阻抗匹配http://blog.ednchina.com/looker/15049/message.aspxlookerFri, 26 Jan 2007 10:46:09 GMThttp://blog.ednchina.com/looker/15043/message.aspxanthttp://blog.ednchina.com/looker/15043/message.aspxlookerFri, 26 Jan 2007 10:44:19 GMThttp://blog.ednchina.com/looker/15042/message.aspxPowerpcb快捷键http://blog.ednchina.com/looker/15042/message.aspxlookerFri, 26 Jan 2007 10:41:41 GMThttp://blog.ednchina.com/looker/15039/message.aspxlayout中电源和地的处理http://blog.ednchina.com/looker/15039/message.aspxlookerFri, 26 Jan 2007 10:39:54 GMThttp://blog.ednchina.com/looker/15037/message.aspxCapture_traininghttp://blog.ednchina.com/looker/15037/message.aspxlookerFri, 26 Jan 2007 10:36:39 GMThttp://blog.ednchina.com/looker/15033/message.aspxCDMA 基础.rarhttp://blog.ednchina.com/looker/15033/message.aspxlookerFri, 26 Jan 2007 10:33:42 GMThttp://blog.ednchina.com/looker/15032/message.aspxIPC 检验标准6018http://blog.ednchina.com/looker/15032/message.aspxlookerFri, 26 Jan 2007 10:31:41 GMThttp://blog.ednchina.com/looker/15031/message.aspxFPC_DESIGN rule.rarhttp://blog.ednchina.com/looker/15031/message.aspxlookerFri, 26 Jan 2007 10:29:07 GMThttp://blog.ednchina.com/looker/15030/message.aspxＥＭＣ电磁屏蔽材料设计者指南.rarhttp://blog.ednchina.com/looker/15030/message.aspxlookerFri, 26 Jan 2007 10:27:08 GMThttp://blog.ednchina.com/looker/15029/message.aspxMARK点相关设计规范.rarhttp://blog.ednchina.com/looker/15029/message.aspxlookerFri, 26 Jan 2007 10:25:11 GMThttp://blog.ednchina.com/looker/15028/message.aspxCAM350使用手册.rarhttp://blog.ednchina.com/looker/15028/message.aspxlookerThu, 25 Jan 2007 10:45:09 GMThttp://blog.ednchina.com/looker/14901/message.aspxCadence Allegro简易手册.part1.rarCadence Allegro简易手册.part2.rar http://blog.ednchina.com/looker/14901/message.aspxlookerThu, 25 Jan 2007 10:12:28 GMThttp://blog.ednchina.com/looker/14884/message.aspxMentor安装设置内容.dochttp://blog.ednchina.com/looker/14884/message.aspxlookerThu, 25 Jan 2007 10:10:11 GMThttp://blog.ednchina.com/looker/14883/message.aspxMentor EN中文简易操作指南对Mentor可以有个全方位的了解，对初学者有一定的帮助。http://blog.ednchina.com/looker/14883/message.aspxlookerThu, 25 Jan 2007 10:06:33 GMThttp://blog.ednchina.com/looker/14882/message.aspx参考文件http://blog.ednchina.com/looker/14882/message.aspxlookerThu, 25 Jan 2007 10:04:59 GMThttp://blog.ednchina.com/looker/14881/message.aspxMentor所有 Layout 软件翻译名词术语.rar还是蛮实用的http://blog.ednchina.com/looker/14881/message.aspxlooker