ice_wind
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[quote author=uncle_ezra link=1131605603/0#3 date=1131951243]My usual practice is to connect NMOS bulk to gnd unless I'm using a triple well process. So even though in a DA the current source may be at AC gnd I dont connect the source and bulk together due to process, temperate and voltage variation. [/quote] That is right. By the way, if connect the source and bulk together, then a cap will exist between this node and ground, for high frequency it is not a good news.
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