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liu12715 FSK\ASK\OOK是什么?? 2009/8/27 21:06:00

FSK\ASK\OOK是什么??ASK是幅移键控调制的简写,例如二进制的,把二进制符号0和1分别用不同的幅度来表示,就是ASK了。 而OO… 阅读全文 0 人评论

liu12715 贴片电阻知识 2009/5/7 11:39:20

厚膜貼片電阻器是在真空中鍍上一層合金電阻膜於陶瓷基板上,加玻璃材保護層及三層電歲 Nc 造而成,可靠度高,外觀尺寸均勻,精確且… 阅读全文 0 人评论

liu12715 SMT零件基础知识 2009/5/7 11:38:10

SMT(Surface Mount Technology)是电子业界一门新兴的工业技术,它的兴起及迅猛发展是电子组装业的一次革命,被誉为电子业的”明日之星”… 阅读全文 0 人评论

liu12715 一个老工程师的心理话 2009/2/26 12:37:08

诸位,俺当工程师十余年了,从研发到管理!回顾工程师生涯,感慨万千,愿意讲几句掏心窝子的话,也算给兄弟姐妹提个醒,希望他们… 阅读全文 0 人评论

liu12715 通过眼图和BER测试分析高速串行链路的信号质量 2009/1/16 9:37:01

无论是连接客户端路由器的千兆以太网接口,还是输出到显示器的低电压差分高清视频信号,在高速串行链路上获得无误码数据是一个巨… 阅读全文 0 人评论

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