[sdiy] "Living VCOs" PCB in 2009 ?

[mark verbos]

On Dec 9, 2008, at 2:24 PM, Mattias Rickardsson wrote:

> 2008/12/8 JH. <jhaible at debitel.net>:
>>>>> ...some of that early Moog and EMS character...
>>
>>> Other than relative tuning, I think the only way a VCO could  
>>> exhibit a
>>> specific "character" is by the shape of its waveforms.
>>
>> I would even go further and say: forget the waveforms.
>
> Having read the whole thread, I realize how meaningless it would be to
> further discuss VCO character, but when you say a thing like that...
> what on earth (GND) do you mean??? :-)
>
> CV tracking linearity, stability over time, and phase-locking to other
> nearby circuits - are there more parameters left that could affect the
> "character"?
>
>

Shouldn't you be talking about short term stability separately from  
long term stability?  That is, just because an oscillator has not  
fallen outof tune after x hours doesn't mean it's not drifting around  
all the time.

Mark