Cgs synth

--- In cgs_synth@yahoogroups.com, sasami@h... wrote:

>
> >I used pots with switches on them for each of the 6 voices.
> >I figured I would save on drilling holes and cost of seperate
> >switches. The problem is the switches are open with off and closed
> >when on ( when you turn the pot up ...). The circut requres the

off

> >postion to ground the voices circuit thru the 820 ohm res.
> >
> >there must be a simple "switch invertor" hack I can use or some

other

> >simple
> >why to make a normaly open switch normaly closed ...
>
> A possible solution would be to leave the oscillators running 100%

of the

> time, and instead cut the feed to the mixers with the switches. You

could do

> this at the mixer end of the 470k resistor on the SQR wave only

outs, and at

> the common terminal of the TRI SQR switch on the the other two.
>
> Ken
>

bingo Ken, I was thinking too hard.
thanks for the simple solution

Jeff



______________________________________________________________________
_

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

<http://www.blaze.net.au/~sasami/>