AW: Re: MIDI -> CV and state var VCF resonance control

[Synthaholic aka sPEW]

On Mon, 10 Mar 1997 10:50:00 +0100, you wrote:

>>Could an OTA be inserted into the feedback
>> loop to do this?
>
>Yes.
>But careful: maximum OTA control current means minimum
>resonance, zero current means maximum resonance.
>For a good start, get the OB-X (not OB-Xa) schematics.
>
>JH.
>
Thanks, I knew that the CV would work 'backwards' so I intend to put a
switch on the panel to have an inverted as well as non-inverted CV to
control it.  Would the OB-X schematics be on the net somewhere or is
that a snail mail issue?  I can't wait to try this!