[sdiy] Yusynth VCO

[David G. Dixon]

> > I get a different result, though.  I must be misunderstanding something.
> >
> > The fractional frequency change per degree is 2.27 / 881 or .26% or
> > 2600ppm/K, is what I get.
> >
> > What am I missing?

> You are looking at it linearly instead of exponentially.

That's how I always look at it too, when I measure the tracking on my VCOs
(those *#%^#&$* 2164-based ones!)  1001Hz instead of 1000 is 0.1% tracking
error, as is 15984Hz instead of 16000.  Is this wrong?