Cgs synth

Perhaps try a different TYPE of transistor.
Ken

>I'm running +/-15v. It is just a slight adjustment and it goes from minimal

res to full on osc.

>I placed all the diodes in as directed. I've been troubleshooting this one

for weeks before I wrote.

>I've tried everything I can think of.
>
>
>
>
>
>________________________________
> From: "sasami@..." <sasami@...>
>To: cgs_synth@yahoogroups.com
>Sent: Sunday, December 30, 2012 4:06 PM
>Subject: Re: [cgs_synth] CGS18 Drum simulator pitch drop question
>
>
>Â
>Resonance going out of control is a characteristic of the Sallen Key filter
>type, so that is to be expected.
>How many diodes do you have in your diode strings? What voltage are you
>running at? If you are running on +/-12 and have all the diodes in, you may
>have problems.
>Ken
>
>>Great,
>>Thanks again Ken. I'll give it a shot. Hopefully I already have all the caps.
>>
>>As for the Stiener VCF, I put a 2k pot on the res and it is self osc at
>close to half way and beyond that it is out of control It is very touchy. It
>goes out of control a the slightest adjustment.ÂÂ
>>The freq pot is still not opening up. I'll have to keep on

troubleshooting.ÂÂ

>__________________________________________________________
>Ken Stone sasami@... otherunicorn@...
>Modular Synth PCBs for sale <http://www.cgs.synth.net/>
>Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>
>
>
>
>[Non-text portions of this message have been removed]
>
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
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>

_______________________________________________________________________
Ken Stone sasami@... otherunicorn@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>