Cgs synth

What you are experiencing is called switch bounce. Try wiring a 10n (0.01)
from the input to ground.

Ken

>I have to admit I am a bit confused about this issue right now.
>After BigRig's advice I tried this out with a few different switches
>and the circuit outputs a trigger upon closing AND opening of the
>switch, whenther its a toggle switch or a momentar button OR a piezo
>switch. Any way to prevent this double triggering?
>
>--- In cgs_synth@yahoogroups.com, "rafe127" <rafe127@...> wrote:
>>
>>
>> Crumbs....
>>
>> Is there no way to get a good clean timely click out of a piezo
>> switch? Will it always only deliver upon "release"?
>>
>> If I tap it quickly, then it comes close to the behavior I want,
>> although it sometime "double clicks"
>>
>> --- In cgs_synth@yahoogroups.com, "Mark Rauch" <billbigrig@> wrote:
>> >
>> > Howdy,
>> >
>> > Yes, a peizu relies onpressure to genreta voltage. When you
>> pushthe
>> > switch you cock thr pistol". When you release, the kintic energy
>of
>> > dtriking the crystal emits a voge.
>> > RRig
>> >
>> > --- In cgs_synth@yahoogroups.com, "rafe127" <rafe127@> wrote:
>> > >
>> > >
>> > > Hi everybody...
>> > >
>> > > I build half of the gate to trigger converter just now in an
>> attempt
>> > > to make a nice clean click sound. I am using one of these
>> > switches:
>> > >
>> > > http://www.piezoswitch.com/about_switches.html
>> > >
>> > > ...and the switch is a momentary Normally Open SPST switch that
>> > passes
>> > > +9V from a regular 9V battery when I "depresss" it. The +9V is
>> > going
>> > > to the Gate input of the circuit here:
>> > >
>> > > http://www.cgs.synth.net/modules/cgs24_gatetotrigger.html
>> > >
>> > > It ALMOST works except that it seems to send a trigger only
>when I
>> > > release the button... Any obvious reason this could be
>> happening?
>> > > The switch itself has some mysterious potted electronics in it
>> which
>> > > may be influencing things... is something funny because I only
>> built
>> > > half of it?
>> > >
>> > > Also, the shape of the click isn't sounding quite right:
>> > >
>> > > http://obsoleteconsole.blogspot.com/2007/08/clicks.html#links
>> > >
>> > > Any advice about shaping the trigger output a little more?
>> > >
>> > > Thanks for any help,
>> > > Rafael
>> > >
>> >
>>
>
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>

_______________________________________________________________________
Ken Stone sasami@...
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