EMI的偷料問題 - 3C
By Ethan
at 2017-07-07T00:05
at 2017-07-07T00:05
Table of Contents
有一位在產業界工作的人是這樣回覆我的:
「EMI喔 那種東西 什麼濾波 抗躁電感
鋪GND 繞版邊 能偷都偷光了啦XDDDDDD
市面主機板 低階 有做和沒做一樣
ATX電源最早偷光光 所以高附載電桿都雞雞叫
筆電 夜深人靜 動個滑鼠都有可能會聽到電流聲
不過有時候可能是電桿電容在共振 不是EMI造成的」
同時我也聽說,廠商可以用golden sample去認證通過後
然後,實際賣的東西,就是改版過後,跟當初送樣的東西完全不一樣,
或者是偷料偷得很嚴重。
不曉得大家對這些言論有甚麼看法?
--
「EMI喔 那種東西 什麼濾波 抗躁電感
鋪GND 繞版邊 能偷都偷光了啦XDDDDDD
市面主機板 低階 有做和沒做一樣
ATX電源最早偷光光 所以高附載電桿都雞雞叫
筆電 夜深人靜 動個滑鼠都有可能會聽到電流聲
不過有時候可能是電桿電容在共振 不是EMI造成的」
同時我也聽說,廠商可以用golden sample去認證通過後
然後,實際賣的東西,就是改版過後,跟當初送樣的東西完全不一樣,
或者是偷料偷得很嚴重。
不曉得大家對這些言論有甚麼看法?
--
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