[sdiy] Quantizer DAC or PWM?

[Mattias Rickardsson]

But isn't this structure more of an old "mechanical" solution, rather than
a microcontroller solution of today? :-)

/mr


Den tis 20 dec. 2022 13:15Tom Wiltshire <tom at electricdruid.net> skrev:

> The Moog Taurus is another example of this structure.
>
> Tom
>
> > On 20 Dec 2022, at 11:50, Roman Sowa <modular at go2.pl> wrote:
> >
> > Separate Octave and semitone resistor ladders with muxes selecting them
> was the heart of (all?) Yamaha CS-series keyboard controllers.
> >
> > Roman
> >
> > W dniu 2022-12-20 o 12:41, Florian Anwander pisze:
> >> Hi
> >> Am 19.12.22 um 22:54 schrieb Didier Leplae via Synth-diy:
> >>> Ah yes, a separate output for octaves is brilliant!
> >> btw Scott rider aka Old Crow used a similar trick to achieve Hz/V
> characteristics with an 8Bit:
> >> https://github.com/cs80/CS15_SSK/
> >> He uses a dual channel DAC MCP4922. DAC #1 is providing different
> reference voltages for each octave, which then are used by the DAC #2 which
> converts the same twelve note data to a spreading CV the higher the octave
> / refence voltage from DAC#1 respectively is.
> >> Florian
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