On Sunday 01 January 2017 11:51:04 andy pugh wrote: > On 1 January 2017 at 16:44, Gene Heskett <ghesk...@shentel.net> wrote: > > So far, only line filters have helped. > > No improvement with the new PSU?
No Andy. > > For the amount of 5V power we are talking about here, surely it would > be easy to make or buy a linear PSU? Its radiated noise from the motor supplies. Directly related to the switching, which is at nominally 17 Kilohertz, but the harmonics reach to well above 100 Megahertz. Never seen anything ring that way, 10 to 30 cycles to get down to 50% of the peak. 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> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
