Cgs synth

--- In cgs_synth@yahoogroups.com, "stuadh" <stuadh@...> wrote:
>
> Hi all,
>
> I'm considering taking on the programmer project with a view to
> building a 16 step sequencer with trigger outputs. Has anyone done
> this and would be willing to pass on some of their experience?
>
> Yours Aye
>
> Stuadh
>

--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>
> Programmer:
>
> >1. I'm not sure I understand how to limit the number of steps in the
> >sequence and what exactly the Ext Pulse does. For example, if you
> >want to run from steps 3 through to 7, would you patch the pulse of
> >step 7 to the Ext pulse of step 3?
>
> You would patch the pulse of step 8 (not 7) to Ext pulse of step 3. When
> step 8 is activated, it immediately activates step 3, cancelling
itself in
> the process.
>
> >2. With respect to the push buttons, do these act as a "reset to this
> >step" button?
>
> Exactly.
>
>
> >3. Would wiring a debounced, push-button from the +15V to the up (or
> >down) input (as suggested in an earlier post) act as a one step
advance?
>
> Yes.
>
> >4. On the A boards, pulse out circuit, could all stages be wired
> >through switches to a single LED, 820R, pulse-out and 680R? The
> >reasoning behind this is to replicate more conventional sequencers
> >where each row of switches goes to a single indicating LED and socket.
> > And then add four rows of switches.
>
> You would want to add a 1N4148 diode into the circuit per stage, exactly
> where the LED is shown, then go to your switch etc.
>
> >5. What voltages do the pots put out (at 12V if anyone knows,
> >otherwise, at 15V)?
>
> The total is adjustable by tweaking the values of the resistors in
the CV
> buffers
>
> >6. What voltage do the stage pulse outs, the CPO and AEP produce? Do
> >the stages produce a trigger or gate?
>
> 5- 6 volts approx. Pulse Outs are GATE. CPO/AEP triggers. There may be a
> fault with one of these I haven't investigated yet. I've heard of
some CPOs
> apparently not working - it may just be user error.
>
> Ken
> _______________________________________________________________________
> Ken Stone sasami@...
> Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
> Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>

--- In cgs_synth@yahoogroups.com, "stuadh" <stuadh@...> wrote:
>
> Wow,
>
> thanks for getting back so quickly.
>
> Two more questions, if I may. Q5, below sounded dumb, but what I
> meant was what is the voltage range (ie is it compatible with Doepfer
> & A systems kit - I assume it is).
>
> And Q6, is there a simple way to make the pulse out a trigger?
>
> Much appreciated
>
> Stuadh
>
> PS - I've spent the last few months agonizing over which sequencer to
> buy and here I find the perfect one all along!
>
> --- In cgs_synth@yahoogroups.com, sasami@ wrote:
> >
> > Programmer:
> >
> > >1. I'm not sure I understand how to limit the number of steps in the
> > >sequence and what exactly the Ext Pulse does. For example, if you
> > >want to run from steps 3 through to 7, would you patch the pulse of
> > >step 7 to the Ext pulse of step 3?
> >
> > You would patch the pulse of step 8 (not 7) to Ext pulse of step
3. When
> > step 8 is activated, it immediately activates step 3, cancelling
> itself in
> > the process.
> >
> > >2. With respect to the push buttons, do these act as a "reset to this
> > >step" button?
> >
> > Exactly.
> >
> >
> > >3. Would wiring a debounced, push-button from the +15V to the up (or
> > >down) input (as suggested in an earlier post) act as a one step
> advance?
> >
> > Yes.
> >
> > >4. On the A boards, pulse out circuit, could all stages be wired
> > >through switches to a single LED, 820R, pulse-out and 680R? The
> > >reasoning behind this is to replicate more conventional sequencers
> > >where each row of switches goes to a single indicating LED and
socket.
> > > And then add four rows of switches.
> >
> > You would want to add a 1N4148 diode into the circuit per stage,
exactly
> > where the LED is shown, then go to your switch etc.
> >
> > >5. What voltages do the pots put out (at 12V if anyone knows,
> > >otherwise, at 15V)?
> >
> > The total is adjustable by tweaking the values of the resistors in
> the CV
> > buffers
> >
> > >6. What voltage do the stage pulse outs, the CPO and AEP produce? Do
> > >the stages produce a trigger or gate?
> >
> > 5- 6 volts approx. Pulse Outs are GATE. CPO/AEP triggers. There
may be a
> > fault with one of these I haven't investigated yet. I've heard of
> some CPOs
> > apparently not working - it may just be user error.
> >
> > Ken
> >
_______________________________________________________________________
> > Ken Stone sasami@
> > Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
> > Australian Miniature Horses & Ponies
<http://www.blaze.net.au/~sasami/>
> >
>

--- In cgs_synth@yahoogroups.com, "stuadh" <stuadh@...> wrote:
>
> Of course, I could always use your Gate to Trigger Converter! Just
> answered my own question.
>
> Cheers
>
> --- In cgs_synth@yahoogroups.com, "stuadh" <stuadh@> wrote:
> >
> > Wow,
> >
> > thanks for getting back so quickly.
> >
> > Two more questions, if I may. Q5, below sounded dumb, but what I
> > meant was what is the voltage range (ie is it compatible with Doepfer
> > & A systems kit - I assume it is).
> >
> > And Q6, is there a simple way to make the pulse out a trigger?
> >
> > Much appreciated
> >
> > Stuadh
> >
> > PS - I've spent the last few months agonizing over which sequencer to
> > buy and here I find the perfect one all along!
> >
> > --- In cgs_synth@yahoogroups.com, sasami@ wrote:
> > >
> > > Programmer:
> > >
> > > >1. I'm not sure I understand how to limit the number of steps
in the
> > > >sequence and what exactly the Ext Pulse does. For example, if you
> > > >want to run from steps 3 through to 7, would you patch the pulse of
> > > >step 7 to the Ext pulse of step 3?
> > >
> > > You would patch the pulse of step 8 (not 7) to Ext pulse of step
> 3. When
> > > step 8 is activated, it immediately activates step 3, cancelling
> > itself in
> > > the process.
> > >
> > > >2. With respect to the push buttons, do these act as a "reset
to this
> > > >step" button?
> > >
> > > Exactly.
> > >
> > >
> > > >3. Would wiring a debounced, push-button from the +15V to the
up (or
> > > >down) input (as suggested in an earlier post) act as a one step
> > advance?
> > >
> > > Yes.
> > >
> > > >4. On the A boards, pulse out circuit, could all stages be wired
> > > >through switches to a single LED, 820R, pulse-out and 680R? The
> > > >reasoning behind this is to replicate more conventional sequencers
> > > >where each row of switches goes to a single indicating LED and
> socket.
> > > > And then add four rows of switches.
> > >
> > > You would want to add a 1N4148 diode into the circuit per stage,
> exactly
> > > where the LED is shown, then go to your switch etc.
> > >
> > > >5. What voltages do the pots put out (at 12V if anyone knows,
> > > >otherwise, at 15V)?
> > >
> > > The total is adjustable by tweaking the values of the resistors in
> > the CV
> > > buffers
> > >
> > > >6. What voltage do the stage pulse outs, the CPO and AEP
produce? Do
> > > >the stages produce a trigger or gate?
> > >
> > > 5- 6 volts approx. Pulse Outs are GATE. CPO/AEP triggers. There
> may be a
> > > fault with one of these I haven't investigated yet. I've heard of
> > some CPOs
> > > apparently not working - it may just be user error.
> > >
> > > Ken
> > >
> _______________________________________________________________________
> > > Ken Stone sasami@
> > > Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
> > > Australian Miniature Horses & Ponies
> <http://www.blaze.net.au/~sasami/>
> > >
> >
>

--- In cgs_synth@yahoogroups.com, "stuadh" <stuadh@...> wrote:
>
> Ken,
>
> I'm buying in supplies for the Programmer. Can you explain what the
> 1206 SMD (Static Memory Device?) and the Monoblock capacitors are,
please.

<big snip>

>Check out this link:
>http://en.wikipedia.org/wiki/Surface-mount_technology
>
>SMD = Surface Mount Device, a component part that falls within the
>family of SMT ... Surface Mount Technology.
>
>After reading that link, you will have learned among other things,
>that a "1206" component measures about .12" by .06" which is where the
>moniker "1206" comes from. And an 0805 component will measure about
>how big? Yup, .08" by .05"!
>
>I'll let Ken correct me if I'm off-base but I believe that "monoblock"
>refers to a capacitor that is contained within a rectangular plastic
>housing with the connecting leads sticking out the bottom of the part.
> (A "Radial" mounted component.) The small plastic housing that
>encompasses the capacitor is filled with a plastic goo that hardens
>during the manufacturing process. That makes for a monolithic
>structure. Since the capacitor looks like a "block" and cannot be
>dissected in to its constituent parts (monolithic) it is called a
>"monoblock".
>
>Go to Mouser.com and search for "wima" without the quotes. Those, I
>believe, are the capacitors to which Ken referred. ("Wima" is a brand
>name by the way.)
>
>Peace.
>Tom Farrand
>
>
>--- In cgs_synth@yahoogroups.com, "stuadh" <stuadh@...> wrote:
>>
>> Ken,
>>
>> I'm buying in supplies for the Programmer. Can you explain what the
>> 1206 SMD (Static Memory Device?) and the Monoblock capacitors are,
>please.
>
><big snip>
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>