hacked on my current Ulfo this morning - a 330pf cap gave me a nice audio range, I'll parallel switch this with a .0047 for bass. maybe rotatory switch to get the full lfo to audio range. slope knob makes from smooth to buzzy...nice
pulse out is working again, bad solder joint....
best,
Jeff
pulse out is working again, bad solder joint....
best,
Jeff
--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
> I don't see any reason why it would not be stable. The parts of a VCO
> circuit that cause instability are in the voltage to current converter. The
> utility LFO doesn't have this section of circuitry at all!
>
> Ken
>
> >On 9 November 2012 00:28, spgjmf <spgjmf@...> wrote:
> >> wow its been a while....hi folks
> >>
> >> Im planning a drone voice and was thinking the utility lfo module would be
> >> a simple oscillator if run at audio frequency. Anyone see a problem with
> >> this? The freq is set by the 47n cap on the integrator, maybe make is 4.7n ?
> >> I can experiment.
> >>
> >> 2 lfo, will give 4 voices, 4to1 mixer,a filter, then the tube/vca
> >
> >It will make a sound for sure, but don't expect it to be entirely
> >stable. It will most likely drift over time, not track naturally over
> >the range of the pitch pot, and drift when you turn the shape pot. If
> >you're fine with that, go for it.
> >
> >--
> >/Ove
> >
> >Blog: <http://blog.gg8.se/>
> >
> >"Here is Evergreen City. Evergreen is the color of green forever."
> >
> >
> >------------------------------------
> >
> >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/>
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>