[time-nuts] App Notes Voltage References
Bruce Griffiths
bruce.griffiths at xtra.co.nz
Sun Nov 30 01:15:16 UTC 2008
Mark Sims wrote:
> If you want to play with the Xicor references, I can recommend the device sold by Ebay zildjianboy7 (Doug Malone) See current auction item 280289828315. For $30 shipped, it makes for a very handy meter checker / portable voltage reference. Not as stable as the Geller Labs board, but it runs on a 9V battery.
>
Beware of their large flicker and wideband noise.
Because of the relatively high flicker noise, they wont, in practice be
anywhere near as stable as a good zener based reference
However they may be useful for checking lower resolution devices such as
a handheld DMM.
bruce
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