[time-nuts] Building a DMTD/phase noise set in the 21st century

[Gerhard Hoffmann]

Am 26.08.19 um 04:47 schrieb Bruce Griffiths:
> 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.

I had bought some at DK, but 30 Ohms or worse at AC in the source 
produce >700pV/rtHz alone.

That would add (geometrically) to the 300 pV/rtHz of one Interfet 
IF3601/3602

and spoil the pot, so I stayed with the multiple electrolytics with 
milliOhms.

regards,

Gerhard