[sdiy] A (slightly) better VRef?

David G Dixon dixon at mail.ubc.ca
Wed Feb 22 21:25:30 CET 2012

> So, for something like the REF02 are you using that as your 
> central, stable VRef and runnning your other VRefs of of 
> that? e.g. if you need a stable +3.5V and +1.25V and -1.25V - 
> you'd create them from the stable +5V of the REF02?
> What then are you using to create those 'sub' VRefs?

Once you've got one (say, +5V) voltage reference, you can use dividers and
opamp voltage followers or inverters to get whatever voltage you want.

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