[sdiy] Quantizer DAC or PWM?

[Roman Sowa]

Yes, it is just like Strowger switching.
And as such it adds vintage spirit!

Roman

W dniu 2022-12-20 o 13:42, Mattias Rickardsson pisze:
> 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 
> <mailto: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
>     <mailto: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/
>     <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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