[sdiy] CEM3374 vco temp sensor

[jhaible]

> I wonder how this would work when multiple 3374s are controlled by the
> same DAC. Did they rely on similar temperatures for all chips? (I.e. DAC
> reference just from one 3374) Or did they multiplex back the references?

I guess multiplexing is the only thing that makes sense. And it would be
quite easy - if you multiplex the DAC output, you can as well multiplex
the DAC reference input.

JH.