搜索 - 科创

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引用 SamZLim燹灵:我并没有针对您，一开始我也说了，不是语文不好，而是学校的考试、分数、答案等限制人的东西不好。限制人的程度因人而异，有人在学习过程中几乎完全被答案等东西限制，有人却不然，他在上...

引用 csaaa:设计这个机器的目的其实就是为了用手头身边能随便找到的廉价的东西制作出高精度PCB。目前的精度0.15mm间距已经是轻轻松松的了，随便任何没有经验的人都可以做到。用热转印和感光干膜的方...

sajunk 发表于 2014-2-11 13:08如果你对运放的参考点有一定认识就会明白，移动参考点就能移动整个信号，举个例子，最简单的反向放大器， ...嗯，可直流耦合就不适用了。芯片内的去直流合...

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