Re: superstable voltage or current generation

From: Uncle Al (UncleAl0_at_hate.spam.net)
Date: 10/30/04


Date: Sat, 30 Oct 2004 16:19:25 -0700

Popescu Nicolae wrote:
>
> Hello,
> Does anyone know of any equipment out there capable of generating a constant
> voltage or constant current with an extreme time/temperature stability of about
> 10ppb (parts per bilion) or around? The power is not necessarily relevant.
> If not, any ideas?
> Thanks

What would you use for conductors assuming you had a satisfactory
source? What shot noise would you expect?

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