[sdiy] My new 6 voices MIDI interface..

[Andre Majorel]

On 2010-04-12 09:21 -0400, Jean-Pierre Desrochers wrote:

> It's a 6 voices MIDI interface with arpeggio and polyphonic
> portamento. [...] I've used 12bits precision MAXIM DAC's for
> stability and Analog Devices digital pots for portamento.
>
> http://membre.oricom.ca/jpdesroc/projets/Modular/MIDI_Interface/M100%20MIDI%20Interface%20specs.pdf

Why did you use one DAC per voice ? If I'm reading the data sheet
correctly, the MAX511 is fast enough for multiplexing (settling
time = 1 µs). Was that just for simplicity ?

-- 
André Majorel http://www.teaser.fr/~amajorel/