[sdiy] Linear Expo converter?

[Amos]

I may still be misunderstanding, but if you built a module containing
a number of log and antilog amps with gain and offset controls, I
imagine you could do what you want.  You can find log and antilog amp
schematics in the Korg MS-02, and I think they have been redrawn
elsewhere.

On Tue, Jun 3, 2008 at 3:53 PM, James R. Coplin <james at ticalun.net> wrote:
> I am apparently not being clear.  The problem I have is that almost all of
> my mod sources, especially envelopes are linear.  I want to be able to
> convert them for use in my VCAs.  Thanks!
>
> James R. Coplin
>
> ***************************************
> Work is the Curse of the Drinking Class
> ***************************************
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>
>> -----Original Message-----
>> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
>> bounces at dropmix.xs4all.nl] On Behalf Of Andre Majorel
>> Sent: Tuesday, June 03, 2008 2:34 PM
>> To: synth-diy at dropmix.xs4all.nl
>> Subject: Re: [sdiy] Linear Expo converter?
>>
>> On 2008-06-03 10:22 -0500, James R. Coplin wrote:
>>
>> > I finding in my modular rig, that for some reason, I seem to be
>> > desperately short of exponential control sources.  What is the
>> > best way to build a linear to exponential conveter?  I guess I
>> > just want to put something behind a panel that I patch in the
>> > linear and get out the exponential.
>>
>> http://rubidium.dyndns.org/~magnus/synths/schematics/oct2hz.pdf
>> http://www.sdiy.de/de/projects/oct-hz-converter.html
>>
>> --
>> André Majorel <URL:http://www.teaser.fr/~amajorel/>
>> Do not use this account for regular correspondence.
>> See the URL above for contact information.
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