Cgs synth

Adam,

Would you mind saying why you thought you needed more than the
standard gain? What were the values you settled on?

Haven't built mine yet and may follow your lead.

Regards
Chris H

Sent from my iPhone

On Sep 12, 2010, at 5:08 AM, "spiralsect" <adam-v@...> wrote:

> Increasing the feedback resistor in the second op-amp works a treat;
> thanks Ken.
>
> Cheers,
> Adam.
> --- In cgs_synth@yahoogroups.com, "spiralsect" <adam-v@...> wrote:
> >
> > Thanks Ken, looks like some experimentation is in order. I'll
> breadboard the circuit and try your suggestions before I commit any
> sort of gain control to my panel design.
> >
> > Cheers,
> > Adam.
> >
> > --- In cgs_synth@yahoogroups.com, sasami@ wrote:
> > >
> > > Not tried either but suggestions are : decrease the value of the
> input
> > > resistor, or increase the value of the second feedback resistor
> only.
> > >
> > > Ken
> > >
> > > >Hi,
> > > >
> > > >I'm looking at building CGS75 Voltage Controlled Slope and was
> wondering if
> > > it was possible to increase the gain of the processor stage. My
> op-amp
> > > theory is very rusty but I was thinking that, provided the
> values are kept
> > > in proportion, I could just increase the value of the two
> feedback resistors
> > > to achieve the required gain whilst keeping the intended
> > > inverting/non-inverting functionality. Can someone please
> confirm that this
> > > is the case?
> > > >
> > > >Cheers,
> > > >Adam-V.
> > > >
> > > >
> > > >
> > > >------------------------------------
> > > >
> > > >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/
> >
> > >
> >
>
>


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