看板Electronics
标 题Re: 何谓gate current??
发信站http://groups.google.com (Tue May 9 20:44:38 2006)
转信站ptt!ctu-reader!ctu-peer!news.nctu!newshub.sdsu.edu!border1.nntp.dca.gi
Gate Current is the current flowing into the gate terminal of a MOSFET.
In a MOSFET, there should be an insulator (e.g. SiO2) to prevent any
flow of DC current. However, nowadays, the oxide is very thin (~1.2nm),
the electrons can directly tunnel through the insulator. As a result,
there is significant gate current.
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