[sdiy] Obvious choice for precise 1.00V reference?

[Oren Leavitt]

Adam Schabtach wrote:
> Dear Lazyweb,
> 
> There was a discussion recently about calibrating VCOs in which a clever
> trick involving a flip-flop, a DPDT switch, and a 1.00V reference was
> described. Does anyone have a handy part number for a voltage reference that
> would be well-suited to the needs of us SDIYers for VCO calibration? Yes,
> there are plenty of adjustable voltage refs to choose from; I was just
> wondering whether anyone here has any recommendations along the lines of "I
> used a ... and it works great for me!" before I spend a bunch of time
> perusing data sheets and so forth.
> 
> Many thanks in advance.
> 
> --Adam
> 

In mine, I use a REF102 10V fixed reference, 9K/1K divider to get 1V, 
and an OP177 buffer op amp (any amp with good DC spec).
- Oren