Gate Sequencer - 12 steps?
2006-11-07 by Andrew Scheidler
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2006-11-07 by Andrew Scheidler
2006-11-07 by John Mahoney
>Is there a (somewhat reasonably straightforward) way to build theI'd say "no way", since it's based on a 10-stage device, the CD4017.
>Gate Sequencer so that it has 12 steps instead of 8 ?
>
>I realize you could build two of them, then link them together to
>get 16, but short of doing that, is there any possibility?
>
>Andrew
2006-11-07 by Andrew Scheidler
>>> John Mahoney <jmahoney@...> 11/07/06 4:56 PM >>>At 03:37 PM 11/7/2006, Andrew Scheidler wrote:
>Is there a (somewhat reasonably straightforward) way to build theI'd say "no way", since it's based on a 10-stage device, the CD4017.
>Gate Sequencer so that it has 12 steps instead of 8 ?
>
>I realize you could build two of them, then link them together to
>get 16, but short of doing that, is there any possibility?
>
>Andrew
2006-11-07 by Jason Proctor
>Yeah, with 3 bits making 8 steps... is there a substitutable device
>that can count higher?
>
>Also, I'm looking at using LED lighted pushbuttons (instead of
>mechanical switches) on my GS, and they require 3volts to power the
>LED. Is there a place in the existing GS circuit where the 3v would
>be available to pull from?
>
>Andrew
>
> >>> Jo
2006-11-07 by John Mahoney
>Yeah, with 3 bits making 8 steps... is there a substitutable deviceWell, Ray Wilson's got a 16-step sequencer:
>that can count higher?
2006-11-07 by John Mahoney
>easiest way of getting >8 steps is to hide two gate sequencer PCBsYeah, but you also need extra logic to chain them together. It's not
>behind 1 panel. 1 big panel will probably only be 1.5x the cost of 2
>smaller ones, and the PCB itself is *cheap* to populate.
2006-11-07 by sasami@hotkey.net.au
>Is there a (somewhat reasonably straightforward) way to build the GateSequencer so that it has 12 steps instead of 8 ?
>but short of doing that, is there any possibility?
>I realize you could build two of them, then link them together to get 16,
2006-11-07 by sasami@hotkey.net.au
>Yeah, but you also need extra logic to chain them together. It's notGo read the article again. There is no need of extra logic. The thing is
>rocket science, but it means another board, not to mention more time
>at the breadboard.
2006-11-08 by John Mahoney
> >Yeah, but you also need extra logic to chain them together. It's notOh! [blush] I'll need to *read* that article. I just assumed that it
> >rocket science, but it means another board, not to mention more time
> >at the breadboard.
>
>Go read the article again. There is no need of extra logic. The thing is
>DESIGNED to cascade.
2006-11-08 by scottnoanh@peoplepc.com
> Oh! [blush] I'll need to *read* that article. I just assumed that itTypical? Sir, this is the CGS list. Drop and give me 20.
> was a typical 4017-based sequencer.
2006-11-08 by John Mahoney
> > Oh! [blush] I'll need to *read* that article. I just assumed that itWell, I had assumed that "expandable" meant that you could add
> > was a typical 4017-based sequencer.
>
>Typical? Sir, this is the CGS list. Drop and give me 20.
2006-11-08 by Jason Proctor
>At 11:05 PM 11/7/2006, scottnoanh@... wrote:
>> > Oh! [blush] I'll need to *read* that article. I just assumed that it
>> > was a typical 4017-based sequencer.
>>
>>Typical? Sir, this is the CGS list. Drop and give me 20.
>
>Well, I had assumed that "expandable" meant that you could add
>multiple *rows* -- not columns. And then there's Ken's own
>description of the Gate Sequencer CV Adapter:
>
> The CV Adapter is an addition to the Gate Sequencer
>converting it to a traditional eight-step control voltage sequencer.
>
> It simply adds a single channel no-nonsense 8 step analog output. ...
>
>See? Even that says "traditional"! :-) Anyway...
>
>It's not clear to me how the clock control is supposed to be
>cascaded. Fine, you can simply connect the outputs together, but how
>is the chaining handled? Well, maybe the answer is in there, but I'm
>too tired to read it carefully right now.
>
>One. Two. Three. Four...
>--
>john