MOTM

Any MOTM mix function (front end of VCFs, VCOs, the '830 or the '890) can be 
made to boost simply by increasing the value of the op amp feedback resistor.

For example, on the MOTM-890, change R13 from 7K5 to like 33K.

Paul S.

Does anyone know where I can get software for my g-4
powerbook that would make it give me signals like on
oscilloscope?  I know they make some kind of device...
I also need to know what kind of hardware does it take
to hook probes onto the computer, I assume it must be
some kind of firewire device, next question is 
Am i better off buying a oscilloscope on ebay?  I
bought a dual trace 20mhz on ebay and it puts out the
most disgusting smell to me.  When it warms up it puts
out a smell like nothing I have ever smelled before. 
Doesnt smell like an electrical smell.  other than
that it works fine, but I cant handle the smell.  
I was looking for another scope when I remember seeing
somewhere there is software to do this and my
powerbook is no longer used by me (I out grew it)
maybe I can make the computer do the job.

what do you all think?????
John

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>Does anyone know where I can get software for my g-4
>powerbook that would make it give me signals like on
>oscilloscope?  I know they make some kind of device...

A couple of possibilities here (assuming you're using OS X):

<http://www.versiontracker.com/php/search.php?PHPSESSID=1b82f00a7da1cf436c90cd333731e8da&mode=basic&action=search&str=scope&plt%5B%5D=macosx>

>I also need to know what kind of hardware does it take
>to hook probes onto the computer, I assume it must be
>some kind of firewire device, next question is
>Am i better off buying a oscilloscope on ebay?

You're always better off with a real 'scope. A computer-based one is only
as good as the I/O, which (assuming it's an audio interface) is severely
bandwidth-limited, AC-coupled, no proper high impedance preamps, etc. It's
better than nothing but there's no substitute for good tools or the right
tool for the job.

>I
>bought a dual trace 20mhz on ebay and it puts out the
>most disgusting smell to me.  When it warms up it puts
>out a smell like nothing I have ever smelled before.
>Doesnt smell like an electrical smell.  other than
>that it works fine, but I cant handle the smell.

Probably something organic. Or used to be. Have you opened it up yet?
Somebody on Synth-DIY just found a rat skeleton in an old organ. OTOH,
where I used to work we once found a joint in a field-strength meter. That
had a different smell...

-- 

Terry Bowman, KA4HJH
"The Mac Doctor"

I used to have a nice soft scope for the pc, but I haven't run into one for my mac yet. A 
software scope is very limited though, I don't think you'd be able to use it for many of the 
normal things you'd want to use a scope for. 

Ebay is a crap shoot. Sometimes you get lucky. I did - bought a Heathkit scope for 20$, 
and although it looks funky, it works fine. For that kind of price, if it doesn't work, you just 
throw it away and try again. 

Steve Drake

--- In motm@yahoogroups.com, John Laudicina <gion2archery@...> wrote:

>
> 
> Does anyone know where I can get software for my g-4
> powerbook that would make it give me signals like on
> oscilloscope?  I know they make some kind of device...
> I also need to know what kind of hardware does it take
> to hook probes onto the computer, I assume it must be
> some kind of firewire device, next question is 
> Am i better off buying a oscilloscope on ebay?  I
> bought a dual trace 20mhz on ebay and it puts out the
> most disgusting smell to me.  When it warms up it puts
> out a smell like nothing I have ever smelled before. 
> Doesnt smell like an electrical smell.  other than
> that it works fine, but I cant handle the smell.  
> I was looking for another scope when I remember seeing
> somewhere there is software to do this and my
> powerbook is no longer used by me (I out grew it)
> maybe I can make the computer do the job.

http://www.faberacoustical.com/

And with a name like Spectrafoo, how can you resist?

Chub

--- In motm@yahoogroups.com, chris walcott <cedub@...> wrote:
>
> spectrafoo
> 
> http://www.mhlabs.com/metric_halo/products/foo/
> 
> probably way more than you need but this is an incredible program.
> 
> - chris
> 
> On May 12, 2006, at 6:35 PM, John Laudicina wrote:
> 
> >
> > Does anyone know where I can get software for my g-4
> > powerbook that would make it give me signals like on
> > oscilloscope?  I know they make some kind of device...
> > I also need to know what kind of hardware does it take
> > to hook probes onto the computer, I assume it must be
> > some kind of firewire device, next question is
> > Am i better off buying a oscilloscope on ebay?  I
> > bought a dual trace 20mhz on ebay and it puts out the
> > most disgusting smell to me.  When it warms up it puts
> > out a smell like nothing I have ever smelled before.
> > Doesnt smell like an electrical smell.  other than
> > that it works fine, but I cant handle the smell.
> > I was looking for another scope when I remember seeing
> > somewhere there is software to do this and my
> > powerbook is no longer used by me (I out grew it)
> > maybe I can make the computer do the job.
> >
> > what do you all think?????
> > John
> >
> > __________________________________________________
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