E2E精华贴，讨论Aol和失调电压的关系。

Offset Voltage and Open-Loop Gain—they’re cousins

http://e2e.ti.com/blogs_/b/thesignal/archive/2012/07/30/offset-voltage-and-open-loop-gain-they-re-cousins.aspx

中文在这里:

http://www.deyisupport.com/blog/b/signalchain/archive/2013/01/23/51397.aspx