clifto wrote:
Alfred Green wrote:

That was kind of what I was looking for. I really am prepared to pay a
few bob for something that I can reliably use as a reference in my lab.


I'm no expert, but I wonder what you might be able to do with a
temperature-compensated design around a LMV431BI.


That looks like an interesting part, cheap enough and available. I'll
give it a try!