Korg Poly800/EX800 Users

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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>
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