New VCO,linearity!

[Augusto Pinoche]

Exactly what i ment, sorry for saying the VCO when i ment the ICO.
The ICO temp dependencies is somthing wery little discussed on the list.Temp 
dependencies can be adjusted aftervards but bad linearitys
is worser to deal with.

AP

>The second (and mostly never discussed) source is the drift of the >current 
>controlled oscillator that inevitably follows the expo >convertor. Here the 
>effect is to shift the oscillators frequency, >while not affecting the 
>V/oct setting. So 1V stays an octave. Maybe <you had tuned it to 440Hz and 
>it drifted to 480Hz, but the octave <above that is 960Hz. So all you have 
>to do is to tune it again. Here <500-1000ppm are not that bad, all it 
>requires is to retune the <instrument when it has warmed up, and a roughly 
>constant
<>ambient temperature.
>
>Bye,
>  René

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