[sdiy] rectangular scanner
fluxmonk at gmail.com
Wed Apr 15 03:49:56 CEST 2020
that sounds similar to Grant Richter's Analog Tracking Generator -
On Tue, Apr 14, 2020 at 9:43 PM Oren Leavitt <obl64 at ix.netcom.com> wrote:
> Some years ago I did something similar using an LM3914 operating in "dot"
> mode, with each LED output driving a preset pot.
> On 4/14/20 7:20 PM, ulfur hansson 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 - Arborescence on Spotify
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