I've only used an ultra low esr 33F supercap made in Korea in the source circuit of the input JFET on a preamp. Down to 10Hz at least it didn't appear to add significant noise to the 4nV/rtHz @10Hz preamp.
Bruce > On 26 August 2019 at 13:52 Didier Juges <shali...@gmail.com> wrote: > > > How do SuperCaps compare with electrolytics noise-wise? > > Didier KO4BB > > On Sun, Aug 25, 2019, 9:04 AM Gerhard Hoffmann <dk...@arcor.de> wrote: > > > > > Yes, these electrolytic capacitors can produce ugly effects. > > > > The winner is clearly the cheap > > > > < https://www.digikey.de/products/de?keywords=1189-1056-ND > > > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
