[time-nuts] App Notes Voltage References
sar10538 at gmail.com
Sun Nov 30 01:30:14 UTC 2008
2008/11/30 Bruce Griffiths <bruce.griffiths at xtra.co.nz>:
> 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.
Thanks, that's exactly the use I had intended one for.
Steve Rooke - ZL3TUV & G8KVD
Omnium finis imminet
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