[volt-nuts] How to keep voltage stable in the sub-100nV range?

[Scott Stobbe]

Is that a peak-peak requirement, meaning you would like 100/6 nV
approximately rms?

Do you Just need Precision, with little accuracy say 5%?

On Tuesday, 1 November 2016, Attila Kinali <attila at kinali.ch> wrote:

> Hi,
>
> I have a "small" side project, which involves keeping a voltage stable
> to better than 100nV over the period of several seconds. Ie. a DAC
> produces an output and a chain of opamps and low pass filters feeds
> it to the consuming device. The absolute value and drift over more
> than 10-100s is not that important.
>
> As I lack a lot of knowledge in this field, I would like to ask
> whether someone can point me at literature or give me some terms
> to search for that help me to figure out whether this is actually
> feasible and how I could achieve that. I know the basic literature
> on noise and how to deal with that. What I am interested in are the
> real world problems, how big they actually are and how to deal with them.
>
>                         Attila Kinali
>
> --
> It is upon moral qualities that a society is ultimately founded. All
> the prosperity and technological sophistication in the world is of no
> use without that foundation.
>                  -- Miss Matheson, The Diamond Age, Neil Stephenson
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