hehe i'm even more new to this stuff and i really don't understand how
running AC signal through a cap eliminates the DC offset... shouldn't
that eliminate the high frequencies (and thus the oscillation)?
jure
On 4/6/06, austeritygirlone <ziggystar@...> wrote:
> I don't own an oscilloscope myself. But if the DCO outputs are offset
> by +5V, thus oscillating around +5V you can make a symmetrical signal,
> thus one that oscillates around +0V, simply by running it serially
> through a capacitor, removing the very low frequencies. Select it
> large enough to let all desired frequencies pass nicely. Then you
> could control the voltage range by a potentiometer. This would most
> probably be a nice mod. I'm not looking at the schematics, but since
> you now have two drivers for one input (VCF-Cutoff), you should
> connect them through a resistor or something, so that you don't create
> any short circuit.
>
> I'm new to this stuff, so please correct me if something is wrong. :)
>
>
> > then i was trying to make DCO->VCF modulation but i found out that the
> > DCO outputs are offset by +5VDC or so... i kinda figured that out
> > without an oscilloscope - just with a multimeter and
> > wires->mixer->soundcard and trial and error. is that true? what's the
> > easiest way to drop that signal down 5VDC? i think it can make quite a
> > nice mod.
>
>
>
>
>
>
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