[sdiy] How to Determine Value of Power Supply Decoupling Caps?

john mahoney jmahoney at gate.net
Wed Nov 26 16:56:49 CET 2003


> ... bypassing the chips with .1 uF ceramics ...

I have seen the ".1 uF rule" mentioned in several places. Having followed
the links provided by Philip Gallo, however, I was left with the impression
that .01 uF SMD caps were the best "RTBC" (rule of thumb bypass caps) to use
on ICs. :-)

While things are not quite so simple, the .01 uF rule seemed to be based on
good research. Perhaps I overlooked something?
--
john



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