[sdiy] Quantizer DAC or PWM?
tom at electricdruid.net
Tue Dec 20 13:14:41 CET 2022
The Moog Taurus is another example of this structure.
> 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.
> W dniu 2022-12-20 o 12:41, Florian Anwander pisze:
>> 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:
>> 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.
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