Cgs synth

That sounds like temperature variation caused by lack of contact between the
tempco resistor and the transistor pair.

Ken

>I have built several CGS VCOs and I am in constant need to re-set the SPAN

trimmer every once in a while.

>
>I am using the SSM chip for greater stability, but the tuning intervals are

not always kept, thus am in need to take out the module and play with the
SPAN trimmer.

>
>Is it a common issue? Should I take out the SPAN to a multi-turn pot on the

front panel?

>
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>

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