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

[Czech Martin]

Yes, these things are pretty loss-less, so they
can be terrible for the resonant frequency (which is
very high in this case).

I once measured several caps, heck, it must be 
somewhere in the archive.

m.c.

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl
> [mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of john mahoney
> Sent: Mittwoch, 26. November 2003 16:57
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] How to Determine Value of Power Supply Decoupling
> Caps?
> 
> 
> > ... 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
> 
>