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

[Rob Klein]

"A" voltage? Is that 1mV, 1V, 10V?

How fast does it need to be updated?


⁣Met vriendelijke groet,
Rob Klein

verstuurd vanaf mijn smartphone​

Op 1 nov. 2016 13:14, bij 13:14, Attila Kinali <attila at kinali.ch> schreef:
>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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