Cgs synth

>I just built the cgs/bridechamber Wave Multipliers With Real Ring
>Modulator kit. I'm very happy with the module except that the ring
>modulator isn't ringing, it's just mixing.
>There's not a whole lot to it so I'm not sure what could be wrong.
>Anyone have the same issue? Is this thing really finicky? Are there
>wave forms that DON'T work together? Do I need to adjust the signals?
>I put 2uF non polarized caps in series with both inputs and was able
>to get some ringing from two saw waves but other signals (square and
>mixed) weren't ringing.
>I've been running it side by side with a "fake" ring mod based on the
>AD633 Analog Multiplier IC. The AD633 can take anything and is giving
>consistent ringing but it's pretty thin sounding. I'm hoping to get
>similar performance from the "real" ring mod, but with a warmer sound.
>
>
>------------------------------------
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>Yahoo! Groups Links
>
>
>
>

On Nov 14, 2008, at 4:53 PM, sasami@... wrote:

> obviously something isn't right. First, make sure all your diodes are
> facing
> the correct way. It's probably some simple construction error.
>
> Ken
>
> >I just built the cgs/bridechamber Wave Multipliers With Real Ring
> >Modulator kit. I'm very happy with the module except that the ring
> >modulator isn't ringing, it's just mixing.
> >There's not a whole lot to it so I'm not sure what could be wrong.
> >Anyone have the same issue? Is this thing really finicky? Are there
> >wave forms that DON'T work together? Do I need to adjust the signals?
> >I put 2uF non polarized caps in series with both inputs and was able
> >to get some ringing from two saw waves but other signals (square and
> >mixed) weren't ringing.
> >I've been running it side by side with a "fake" ring mod based on the
> >AD633 Analog Multiplier IC. The AD633 can take anything and is giving
> >consistent ringing but it's pretty thin sounding. I'm hoping to get
> >similar performance from the "real" ring mod, but with a warmer
> sound.
> >
> >
> >------------------------------------
> >
> >The CGS Modular Synth home page: http://www.cgs.synth.net/
> >Yahoo! Groups Links
> >
> >
> >
> >
> __________________________________________________________
> Ken Stone sasami@... otherunicorn@...
> Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> Australian Miniature Horses & Ponies
> <http://www.blaze.net.au/~sasami/>
>
>
>

[Non-text portions of this message have been removed]

On Nov 14, 2008, at 10:44 PM, Scott Deyo wrote:

> How did you wire the inputs?
> The 1U non-polar cap buffers the Triangle input into the Modulator In.
> In my modules, I don't use the Mod In pad on the PCB. Check around
> there to see if anything's funky.
> Try the trimpots, too, to make sure the output levels are high enough
> and the inputs are trimmed out.
>
> Scott Deyo
> The Bridechamber
> contact@...
> http://www.bridechamber.com
> Jealous Edison Record Kompany
> http://www.jealousedison.com
>
> On Nov 14, 2008, at 4:53 PM, sasami@... wrote:
>
> > obviously something isn't right. First, make sure all your diodes
> are
> > facing
> > the correct way. It's probably some simple construction error.
> >
> > Ken
> >
> > >I just built the cgs/bridechamber Wave Multipliers With Real Ring
> > >Modulator kit. I'm very happy with the module except that the ring
> > >modulator isn't ringing, it's just mixing.
> > >There's not a whole lot to it so I'm not sure what could be wrong.
> > >Anyone have the same issue? Is this thing really finicky? Are there
> > >wave forms that DON'T work together? Do I need to adjust the
> signals?
> > >I put 2uF non polarized caps in series with both inputs and was
> able
> > >to get some ringing from two saw waves but other signals (square
> and
> > >mixed) weren't ringing.
> > >I've been running it side by side with a "fake" ring mod based
> on the
> > >AD633 Analog Multiplier IC. The AD633 can take anything and is
> giving
> > >consistent ringing but it's pretty thin sounding. I'm hoping to get
> > >similar performance from the "real" ring mod, but with a warmer
> > sound.
> > >
> > >
> > >------------------------------------
> > >
> > >The CGS Modular Synth home page: http://www.cgs.synth.net/
> > >Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > __________________________________________________________
> > Ken Stone sasami@... otherunicorn@...
> > Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> > Australian Miniature Horses & Ponies
> > <http://www.blaze.net.au/~sasami/>
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>
>



[Non-text portions of this message have been removed]

On Nov 15, 2008, at 12:54 AM, casperelectronics wrote:

> Thanks Scott and Ken,
> The problem was in the trim adjustments.
> Is there anywhere I can read about how to properly set all four pots?
> I'm still getting the littlest bit of input bleed through at the
> output even with fine tuning of the null trim. Is this to be expected?
> Thanks for the help!!
>
> On Nov 14, 2008, at 10:44 PM, Scott Deyo wrote:
>
> > How did you wire the inputs?
> > The 1U non-polar cap buffers the Triangle input into the Modulator
> In.
> > In my modules, I don't use the Mod In pad on the PCB. Check around
> > there to see if anything's funky.
> > Try the trimpots, too, to make sure the output levels are high
> enough
> > and the inputs are trimmed out.
> >
> > Scott Deyo
> > The Bridechamber
> > contact@...
> > http://www.bridechamber.com
> > Jealous Edison Record Kompany
> > http://www.jealousedison.com
> >
> > On Nov 14, 2008, at 4:53 PM, sasami@... wrote:
> >
> > > obviously something isn't right. First, make sure all your diodes
> > are
> > > facing
> > > the correct way. It's probably some simple construction error.
> > >
> > > Ken
> > >
> > > >I just built the cgs/bridechamber Wave Multipliers With Real Ring
> > > >Modulator kit. I'm very happy with the module except that the
> ring
> > > >modulator isn't ringing, it's just mixing.
> > > >There's not a whole lot to it so I'm not sure what could be
> wrong.
> > > >Anyone have the same issue? Is this thing really finicky? Are
> there
> > > >wave forms that DON'T work together? Do I need to adjust the
> > signals?
> > > >I put 2uF non polarized caps in series with both inputs and was
> > able
> > > >to get some ringing from two saw waves but other signals (square
> > and
> > > >mixed) weren't ringing.
> > > >I've been running it side by side with a "fake" ring mod based
> > on the
> > > >AD633 Analog Multiplier IC. The AD633 can take anything and is
> > giving
> > > >consistent ringing but it's pretty thin sounding. I'm hoping to
> get
> > > >similar performance from the "real" ring mod, but with a warmer
> > > sound.
> > > >
> > > >
> > > >------------------------------------
> > > >
> > > >The CGS Modular Synth home page: http://www.cgs.synth.net/
> > > >Yahoo! Groups Links
> > > >
> > > >
> > > >
> > > >
> > > __________________________________________________________
> > > Ken Stone sasami@... otherunicorn@...
> > > Modular Synth PCBs for sale <http://www.cgs.synth.net/>
> > > Australian Miniature Horses & Ponies
> > > <http://www.blaze.net.au/~sasami/>
> > >
> > >
> > >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>
>

[Non-text portions of this message have been removed]