[sdiy] Quantizer DAC or PWM?

[mark verbos]

Couldn’t one do something like that to replace an AM6070 µ-law DAC?

Mark



> On Dec 20, 2022, at 12:41 PM, Florian Anwander <fanwander at mnet-online.de> wrote:
> 
> 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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