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[转载]给EMC工程师的建议 2007-11-07 04:31:25
[1]好好规划自己的路,不要跟着感觉走!根据个人的理想决策安排,绝大部分人并不指望成为什么院士或教授,而是希望活得滋润一些,爽一些.那么,就需要慎重安排自己的轨迹.从哪个行业入手,逐渐对该行业深入了解,不要频繁跳槽,特别是不要为了一点工资而转移阵地,从长远看,这点钱根本不算什么,当你对一个行业有那么几年的体会,以后钱根本不是问题.频繁地动荡不是上策,最后你对哪个行业都没有摸透,永远是新手!
[2]可以做技术,切不可沉湎于技术.千万不可一门心思钻研技术!给自己很大压力,如果你的心思全部放在这上面,那么注定你将成为孔乙己一类的人物!适可而止为之,因为技术只不过是你今后前途的支柱之一,而且还不是最大的支柱,除非你只愿意到老还是个…
[2]可以做技术,切不可沉湎于技术.千万不可一门心思钻研技术!给自己很大压力,如果你的心思全部放在这上面,那么注定你将成为孔乙己一类的人物!适可而止为之,因为技术只不过是你今后前途的支柱之一,而且还不是最大的支柱,除非你只愿意到老还是个…
评论:(1) | 阅读:(1815)
[原创]Plastic, 2007-10-23 11:22:59
工作中或多或少的接触了一些原材料.
1 Polyfoam Pad For Package.
Polyfoam offers superior surface and cushioning protection at an affordable price. It is ideal for use as wrap, interleafing or carton liners plus a whole range of other applications.
a foam made by adding water to polyurethane plastics
[同] polyfoam, polyurethane foam
Fibreboard,carton For package.
2 Raw Copper Material for Conducted Metal Part
Which type raw material used depends on the mechanical and electrical requirement.
磷青铜(C5191,C5210,C5111,C5100),黄铜(C2600,C2680……),红(紫)(C1100,C1091,C1200,C1030,…
1 Polyfoam Pad For Package.
Polyfoam offers superior surface and cushioning protection at an affordable price. It is ideal for use as wrap, interleafing or carton liners plus a whole range of other applications.
a foam made by adding water to polyurethane plastics
[同] polyfoam, polyurethane foam
Fibreboard,carton For package.
2 Raw Copper Material for Conducted Metal Part
Which type raw material used depends on the mechanical and electrical requirement.
磷青铜(C5191,C5210,C5111,C5100),黄铜(C2600,C2680……),红(紫)(C1100,C1091,C1200,C1030,…
[转载]WORLD MAIN VOLTAGE FREQUENCY STANDARDS 2007-10-23 09:07:50
Peoples like our designers,would like to have one standard for electrical power supplier system. Unfortunately,the standard is diverse all around the world. This situation was caused by the benefit what peoples want get from the power supply business. Each standard stands for one kind of benefit at locall location.
1193101757.pdf
Country Voltage Frequency Receptacle
United States 120 60 K
Germany 220-230 50 A, B
Japan 100 …
1193101757.pdf
Country Voltage Frequency Receptacle
United States 120 60 K
Germany 220-230 50 A, B
Japan 100 …
[原创]周末去Downtown转了转 2007-10-22 06:52:26
[原创]魔术师似的花盆 2007-09-29 10:23:45
[原创]我的小艾--艾利和MP3播放器 2007-09-17 11:45:51
[原创]Electromagnetic compatibility on Wikipedia 2007-08-27 04:16:53
Wikipedia is a fantastic web site. There, you can search everything and get various answer. It will not disappoint you. It's actual encyclopedia,but free!
I tried to search EMC on this engine, the answers surprised me deeply. It's my first time to use this engine to get knowledge. The following address is a link of that searching result.
EMC searching result
http://en.wikipedia.org/wiki/Electromagnetic_compatibility
EMC directives(Standards)
http://en.wikipedia.org/wiki/List_of_EMC_directives
I tried to search EMC on this engine, the answers surprised me deeply. It's my first time to use this engine to get knowledge. The following address is a link of that searching result.
EMC searching result
http://en.wikipedia.org/wiki/Electromagnetic_compatibility
EMC directives(Standards)
http://en.wikipedia.org/wiki/List_of_EMC_directives
[整理]Compoents Catalog 2007-08-27 11:29:15
Capacitor Catalog 1
Capacitor.pdf
Acutally, I am not familiar with the rule of definition of X-cap. Why the manufactures defined the 222k as 0.0022uF, 224k as 0.22uF?
The following supposition(presumption) is one of possibilities.
22*10^2/10^4=0.0022,22*10^4/10^4=0.22.
Anti-static products
anti-static.pdf
Capacitor.pdf
Acutally, I am not familiar with the rule of definition of X-cap. Why the manufactures defined the 222k as 0.0022uF, 224k as 0.22uF?
The following supposition(presumption) is one of possibilities.
22*10^2/10^4=0.0022,22*10^4/10^4=0.22.
Anti-static products
anti-static.pdf
[整理]背景音乐之1--no 2007-08-23 11:47:57
[整理]EMC测试的通用仪器 及测试方法 2007-08-20 12:09:52
每个行业都有专业的测试仪,电子行业的恐怕是最多的了.工作中接触过一些仪器,主要用的还是以下产商制造:
Agilent(安捷倫)
http://www.home.agilent.com/
TEK(泰克)
http://www.tek.com/
HP(惠普)
EMC测试的通用仪器
1. 重要性
电磁干扰(EMI)和电磁敏感度(EMS)测试,需要用到许多电子仪器,例:频谱分析仪、电磁场干扰测量仪、信号源、功率放大器、示波器等,由于EMC测试频率很宽(20Hz~40GHz)、幅度很大(μV~KW)、模式很多(FM、AM等)、姿态很多(平放、斜放等),因此正确的使用电子仪器非常重要.
2.使用EMC电子仪器,影响EMC测量的因素
a. 测量设备精度
b. 天线极化,天线高低
c. 电缆接头
d. 测试场地
e. …
Agilent(安捷倫)
http://www.home.agilent.com/
TEK(泰克)
http://www.tek.com/
HP(惠普)
EMC测试的通用仪器
1. 重要性
电磁干扰(EMI)和电磁敏感度(EMS)测试,需要用到许多电子仪器,例:频谱分析仪、电磁场干扰测量仪、信号源、功率放大器、示波器等,由于EMC测试频率很宽(20Hz~40GHz)、幅度很大(μV~KW)、模式很多(FM、AM等)、姿态很多(平放、斜放等),因此正确的使用电子仪器非常重要.
2.使用EMC电子仪器,影响EMC测量的因素
a. 测量设备精度
b. 天线极化,天线高低
c. 电缆接头
d. 测试场地
e. …
[整理]电子电力英语(PDG格式)及阅读器 2007-08-15 12:08:29
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