On Friday 01 January 2016 18:33:32 Bertho Stultiens wrote: > On 01/02/2016 12:27 AM, andy pugh wrote: > >>> I'm assuming using a scope is the right way to do it? > >> > >> Yes and no. It depends on what you are tracking and how it is > >> induced. > > > > Also, there is no way to detect an occasional microsecond spike > > without recording and analysing unfeasible quantities of data. > > > > I tried looking for noise on my system with a scope, but soon gave > > up. > > Indeed, transients are nearly impossible to track. A scope is fine for > recurring signals, but terrible at finding that one-off spike that > throws your system into neverneverland.
I could argue that when the scope is both digital and very wide band. You can set the triggering voltage 10% above the logic 1, or 10% below ground, then set it for a sweep everytime its triggered. Capture one, or a few thousand of those bits of noise, and analyze/measure them at your leasure. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
