[sdiy] rectangular scanner

[Dakota Melin]

If I understand correctly, if you look at a flash ADC and remove the
priority encoder, you have a ladder of comparators that go high
sequentially as the input voltage rises.

On Tue, Apr 14, 2020 at 8:25 PM ulfur hansson <ulfurh at gmail.com> wrote:

> hello list,
>
> always been very intrigued by scanner mechanisms - david dixons scanners
> are works of art, and i built a haible scanner many years ago that worked
> but it didn't have the same level of control as davids. very powerful stuff.
>
> however - right now i'm working on a dual oscillator board design, and i
> want to be able to set the offset of oscillator 2 in certain pitched
> increments - if I could say, "drive" 4066's or a fancy max chip to switch
> between carefully trimmed voltages with a scanner, wouldn't this
> application call for some sort of "rectangular" scanner?
>
> ideally, something which can go "high" on any given number of outputs
> depending on the incoming control voltage, no slopes or crossfading - just
> ons and offs for each incremental output depending on the control voltage.
>
> any help would be greatly appreciated, this quarantine is well spent
> learning new tricks in synthdiy!
>
> hope you all are well,
> -úlfur
>
> --
> •
> ulfurhansson.com
> cargocollective.com/ulfur
> instagram.com/ulfur_
> .•°~ Úlfur - Arborescence on Spotify
> <https://open.spotify.com/album/118CEJliIg47Jcr70y7Kww>
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