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Cgs synth

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Re: Gate Sequencer hiccups

2007-06-21 by sasami@hotkey.net.au

What you did should in no way have caused what you are seeing. Are you still
using an LM358? If so, try a TL072 instead.

Ken

>Well I took the "Experiment with it!" suggestion, but probably
>shouldn't have since I don't know what I'm doing all that much :)
>
>My Gate Sequencer was running fine. I had replaced the 4017 with the
>proper chip (I originally had the HCF version in there) and that had
>stopped all the little quirks. The outputs all worked, the CLOCK,
>RESET and END signals were OK, and the Rotary LENGTH selector worked
>fine. (I have not wired the LOOP/HOLD switch up yet, so it always
>loops)
>
>Then I thought I'd hook up momentary buttons on the CLOCK and RESET
>inputs. Using the Sequential Switch schematic as a guide, I did this:
>
>http://www.ph.k12.in.us/~drew/gate-seq-2.GIF
>
>Now it *always* goes 8 steps, and it *skips* the step # that is after
>the rotary-selected length value. So if the LENGTH is set at 5, it
>goes:
>1 2 3 4 6 7 8
>
>So I cut out both my "mods", but now it *still* does the step-
>skipping thing; no change. I thought maybe I had damaged a chip, so
>I replaced the two chips on the main board, to no avail.
>
>Any suggestions?
>
>thanks!
>Drew (who is backing off on the "experiments" for awhile)
>
>
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>
_______________________________________________________________________
Ken Stone sasami@...
Modular Synth PCBs for sale <http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>

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