More about 3310 and envelopes

[Theo]

From: Tony Allgood <oakley at techrepairs.freeserve.co.uk>
> If the cap is still charged up to a
> higher level than the new incoming attack peak, all hell breaks lose.
> The decay phase never gets initiated and the envelope itself doesn't
> sound natural. Does the OB suffer from this, or does the velocity not
> control the modulation depth direct. If the depth is only changed at the
> patch level, then this wouldn't be a problem.
>
> Any ideas?
>

Yes,
In the full cycle envelope,
http://www.tidalmusic.com  follow synth DIY link.
Only a picture at the moment, I prepare to upload the circuit and a whole
bunch of new stuff next week.

I simply use two caps, and the gate pulse to toggle between them :) simple
but effective.
BTW when the attack time is set to zero, the cap is pre charged instead of
pre discharged.
A faster attack time is not possible :)

Kits, fronts & pcb available soon.

Hope this helps,

Theo