[sdiy] Ring Mod question

[R. Drake]

Tim,

http://omega.tellus.vallentuna.se/anders/

under Synthesisers, PAiA 4700, 4710 Bal.modular

lbd

on 6/9/03 4:30 AM, Tim Ressel at madhun2001 at yahoo.com wrote:

> Hey all,
> 
> A while ago I ask about AC versus DC coupling on the
> inputs of ring modulators. The answer was that DC
> coupling on at least one input allows for the rimg mod
> to function as a VCA.
> 
> But now I find this patch where signals and a CV are
> routed to both inputs of a Paia 47xx series ring mod.
> The CV comes from an ADSR. This confuses me. If the AC
> and DC inputs are summed, then the ring mod will not
> act as a VCA, because if the sum is non-xero, then
> there will be an output. So a zero voltage on the CV
> input does not mean a zero signal output.
> 
> Does anybody have a schematic for that old Paia ring
> mod??
> 
> --Tim
> 
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