Cgs synth

>Hi,
>
> I just finished my sequential switch using Bridechambers panel with
>extra holes drilled for LEDs and a mix gate out. I have yet to
>connect the glide and length switch. Everything works great except
>the gate outs that work rather sporadically.
> I have the the panel set up so that the gate outs are all mixed down
>to one common output with a switch at each stage to turn it on or off.
> The set up is like this (I used IN1418 diodes):
>
>http://www.bridechamber.com/bridechamber.com/C%20Event%20Seq_files/ev%20seq

>
>I can get the mix gate to trigger every second step, but if I turn all
>of the steps on then nothing gets triggered (I measured the voltage
>and it's a constant 5V). I have the same problem with the individual
>gate outs too, if I plug every second jack then it triggers my Blacet
>EG fine but if I plug every jack then nothing.
> I used a rather small gauge wire to hook up the gates (I think
>28-30AWG), it looks like a computer harddrive cable, I used it because
>I thought it would make for a cleaner design. Maybe the casing on the
>wire is too thin or the wire is too thin and it's picking up
>interference from something, I have no idea really. Any suggestions
>would be appreciated,
>
>Thanks again,
>Dave
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>

--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
> Each gate signal lasts a full clock cycle so it is no wonder you get a
> constant 5 volts when all are used.
>
> You need to shorten the output pulses.
>
> Try cutting the inhibit in to the gate 4051 (pin 6 )and connecting
it to the
> clock instead (pin 7 of the quad op-amp).
>
> Alternatively,
> Try putting a 100n between each gate output and its switch, and a
100k from
> the switch to to ground (if needed).
>
> Ken
>
> >Hi,
> >
> > I just finished my sequential switch using Bridechambers panel with
> >extra holes drilled for LEDs and a mix gate out. I have yet to
> >connect the glide and length switch. Everything works great except
> >the gate outs that work rather sporadically.
> > I have the the panel set up so that the gate outs are all mixed down
> >to one common output with a switch at each stage to turn it on or off.
> > The set up is like this (I used IN1418 diodes):
> >
>
>http://www.bridechamber.com/bridechamber.com/C%20Event%20Seq_files/ev%20seq
> %20wire%20diagram-1.jpg
> >
> >I can get the mix gate to trigger every second step, but if I turn all
> >of the steps on then nothing gets triggered (I measured the voltage
> >and it's a constant 5V). I have the same problem with the individual
> >gate outs too, if I plug every second jack then it triggers my Blacet
> >EG fine but if I plug every jack then nothing.
> > I used a rather small gauge wire to hook up the gates (I think
> >28-30AWG), it looks like a computer harddrive cable, I used it because
> >I thought it would make for a cleaner design. Maybe the casing on the
> >wire is too thin or the wire is too thin and it's picking up
> >interference from something, I have no idea really. Any suggestions
> >would be appreciated,
> >
> >Thanks again,
> >Dave
> >
> >
> >------------------------------------
> >
> >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/>
>

--- In cgs_synth@yahoogroups.com, "lexvortex" <afonso_david@...> wrote:
>
> Hi Ken,
>
> Thanks for the suggestions. I have finally gotten a chance to try
> out your second suggestion. I put 100n caps between each gate out and
> the bottom lug of the switch and then a 100k resistor between the mix
> gate out and ground (I tried without the 100k first). The mix gate
> out now does not trigger at all and the individual gates still only
> trigger every second step. Did I miss something?
>
> I'm not sure how to do the first suggestion [cutting the inhibit in
> to the gate 4051 (pin 6 )and connecting it to the clock instead (pin 7
> of the quad op-amp)], if I do try it should I first take out the 100n
> caps and the 100k resistor?
>
> Thanks,
> Dave
>
> --- In cgs_synth@yahoogroups.com, sasami@ wrote:
> >
> > Each gate signal lasts a full clock cycle so it is no wonder you get a
> > constant 5 volts when all are used.
> >
> > You need to shorten the output pulses.
> >
> > Try cutting the inhibit in to the gate 4051 (pin 6 )and connecting
> it to the
> > clock instead (pin 7 of the quad op-amp).
> >
> > Alternatively,
> > Try putting a 100n between each gate output and its switch, and a
> 100k from
> > the switch to to ground (if needed).
> >
> > Ken
> >
> > >Hi,
> > >
> > > I just finished my sequential switch using Bridechambers panel with
> > >extra holes drilled for LEDs and a mix gate out. I have yet to
> > >connect the glide and length switch. Everything works great except
> > >the gate outs that work rather sporadically.
> > > I have the the panel set up so that the gate outs are all mixed
down
> > >to one common output with a switch at each stage to turn it on or
off.
> > > The set up is like this (I used IN1418 diodes):
> > >
> >
>
>http://www.bridechamber.com/bridechamber.com/C%20Event%20Seq_files/ev%20seq
> > %20wire%20diagram-1.jpg
> > >
> > >I can get the mix gate to trigger every second step, but if I
turn all
> > >of the steps on then nothing gets triggered (I measured the voltage
> > >and it's a constant 5V). I have the same problem with the individual
> > >gate outs too, if I plug every second jack then it triggers my Blacet
> > >EG fine but if I plug every jack then nothing.
> > > I used a rather small gauge wire to hook up the gates (I think
> > >28-30AWG), it looks like a computer harddrive cable, I used it
because
> > >I thought it would make for a cleaner design. Maybe the casing
on the
> > >wire is too thin or the wire is too thin and it's picking up
> > >interference from something, I have no idea really. Any suggestions
> > >would be appreciated,
> > >
> > >Thanks again,
> > >Dave
> > >
> > >
> > >------------------------------------
> > >
> > >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/>
> >
>

--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
> > Thanks for the suggestions. I have finally gotten a chance to try
> >out your second suggestion. I put 100n caps between each gate out and
> >the bottom lug of the switch and then a 100k resistor between the mix
> >gate out and ground (I tried without the 100k first). The mix gate
> >out now does not trigger at all and the individual gates still only
> >trigger every second step. Did I miss something?
>
> you are trying to make gate to trigger converters here. Yes, 22k is
too low
> a value. Thinking about it, you syould probably add a diode in
series with
> each cap too.
>
> > I'm not sure how to do the first suggestion [cutting the inhibit in
> >to the gate 4051 (pin 6 )and connecting it to the clock instead (pin 7
> >of the quad op-amp)], if I do try it should I first take out the 100n
> >caps and the 100k resistor?
>
> Yes, I would take them out first. This method would be the better
method of
> doing it.
>
> Ken
> _______________________________________________________________________
> Ken Stone sasami@...
> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>

--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
> > Thanks for the suggestions. I have finally gotten a chance to try
> >out your second suggestion. I put 100n caps between each gate out and
> >the bottom lug of the switch and then a 100k resistor between the mix
> >gate out and ground (I tried without the 100k first). The mix gate
> >out now does not trigger at all and the individual gates still only
> >trigger every second step. Did I miss something?
>
> you are trying to make gate to trigger converters here. Yes, 22k is
too low
> a value. Thinking about it, you syould probably add a diode in
series with
> each cap too.
>
> > I'm not sure how to do the first suggestion [cutting the inhibit in
> >to the gate 4051 (pin 6 )and connecting it to the clock instead (pin 7
> >of the quad op-amp)], if I do try it should I first take out the 100n
> >caps and the 100k resistor?
>
> Yes, I would take them out first. This method would be the better
method of
> doing it.
>
> Ken
> _______________________________________________________________________
> Ken Stone sasami@...
> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>

> If I was to use a CGS24 gate to trigger converter, would I need to
> have the 8 gate channels of the sequencer go into 8 separate channels
> of gate to trigger conversion that would then go go to the mix gate
> out (between the gate out and the switch), or would I just use one
> converter at the end of the mix gate out?
>
> Thanks,
> Dave
>
>
> --- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>> > Thanks for the suggestions. I have finally gotten a chance to try
>> >out your second suggestion. I put 100n caps between each gate out and
>> >the bottom lug of the switch and then a 100k resistor between the mix
>> >gate out and ground (I tried without the 100k first). The mix gate
>> >out now does not trigger at all and the individual gates still only
>> >trigger every second step. Did I miss something?
>>
>> you are trying to make gate to trigger converters here. Yes, 22k is
> too low
>> a value. Thinking about it, you syould probably add a diode in
> series with
>> each cap too.
>>
>> > I'm not sure how to do the first suggestion [cutting the inhibit in
>> >to the gate 4051 (pin 6 )and connecting it to the clock instead (pin 7
>> >of the quad op-amp)], if I do try it should I first take out the 100n
>> >caps and the 100k resistor?
>>
>> Yes, I would take them out first. This method would be the better
> method of
>> doing it.
>>
>> Ken
>> _______________________________________________________________________
>> Ken Stone sasami@...
>> Modular Synth PCBs for sale <http://www.cgs.synth.net/%5b1]>
>> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/%5b2]>
>>
>
>
>
> ------------------------------------
>
> The CGS Modular Synth home page: http://www.cgs.synth.net/%5b3]
> Yahoo! Groups Links
>
>
>
>