[time-nuts] Building a DMTD/phase noise set in the 21st century
Bruce Griffiths
bruce.griffiths at xtra.co.nz
Mon Aug 26 02:47:16 UTC 2019
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 <shalimr9 at gmail.com> wrote:
>
>
> How do SuperCaps compare with electrolytics noise-wise?
>
> Didier KO4BB
>
> On Sun, Aug 25, 2019, 9:04 AM Gerhard Hoffmann <dk4xp at 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 >
> >
> >
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