[sdiy] papareil Dual lin ADSR

Frédéric Bourgeais fred at upian.com
Thu Jan 19 18:26:04 CET 2006


Oops, sorry, a "self" is an inductor in french :=)

I'll try 10 ohm/100µF. But before adding these 100 Ohm, led fashed very 
low.
thanks for your advise.

++Fred




Le 19 janv. 06, à 18:13, Harry Bissell Jr a écrit :

> Sounds like a power supply problem.
>
>  The 'self' (don't know what he means by that) is shown as
>  an inductor. These typically have a very low resistance...
>  MUCH lower than 100 ohms.
>
>  You might try like 10 ohms... and make the capacitors after that
>  100uF or larger. 
>
>  If they will fit... maybe a 100uH inductor (choke) in place of the
>  'self' would be better.
>
>  If someone knows what 'self' means let me know
>
>  H^) harry
>
> Frédéric Bourgeais <fred at upian.com> wrote:
>  Hello all,
>
> I built 2 year ago Marc Bareille's dual lin ADSR which is based on
> Aaron Cram's Envylope
> http://m.bareille.free.fr/modular1/adsr/mb_cvadsr2.htm
>
> As my modular grow, I had to repackage it, I did some tweaks.
> To prevent noise, I added 2 100 ohm resistor where Marc used Self, to
> prevent PSU noise (I used links before).
>  I also changed the 8 Led to smaller ones (5mm to 3mm).
>
> Now, the A,D and R led don't flash anymore. But previous 5 mm led
>  flashed very very low.
> Which resistor should I change to provide more current for a nice
>  effect ?
>
> I also noticed some oscillations problems between the 2 enveloppes (
> kind of secret, but annoying LFO feature ; ))
>
> Any builder experienced theses troubles ?
> Thanks for your help
>
> ++Fred
>
>
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