digital control of analog component question...

[jhaible]

> Ignoring the precise shape of the ramp, what will the differences be
between
> a DCO and a VCO ?
> The VCO may have a short term frequency jitter - each period varying
> slightly either randomly or cyclically; it may be out of tune or have
> incorrect scaling, and it may have a long term tuning drift.
> All of these are measurable, and therefore should be able to be
> re-introduced, if required, to a DCO.
[...]
> Colin f

In theory, you are probably right. Measure all the relevant behaviour,
implement an accurate model. Question is does anybody have all the
parameters yet, or are you going to be the first one.

JH.