[sdiy] tongue stuck to skipole

[Doug Terrebonne]

Yes if you have the power supplies from STS they are standard
Condor/Power One HAA/HBB/HCC series supples and have internal trimmers
to adjust the output voltages up to +/-15v...

--- Cynthia Webster <cynthia.webster at gte.net> wrote:

> I've had success doing this on a limited basis, "up-voting" selected 
> vintage Serge PCBs,
> but I've never done this with a whole panel before.
> 
> I suggest that you examine each and every integrated circuit on the 
> specific Serge panel boards
> and do diligent research by actually looking-up the spec sheet of the
> 
> chips that you have installed
> to makes sure that they can handle the extra voltage.  (Each chip 
> species often has several variations
> coded after the part number with alphabet letters and I would look at
> 
> these carefully to be sure.
> 
> Instead of simply reading "TL072", you would examine the entire 
> "TL072BCD"  for example.
> (You will probably have better luck with this with newer panels than 
> with old, do you think?)
> 
> Also, many "15 Volt" supplies have a pair of trim pots for precise 
> adjustment and it may be
> quite possible for you to attached a simple voltmeter to the outputs
> and 
> then trim them down
> from +/-15 volts to +/-12, (thus rendering the afore mentioned
> question 
> rather moot).
> 
> BTW, the Mark Godfry update/replacement for the defunct but oh so
> lovely 
> Gentle Electric
> Pitch to Voltage Converter module looks pretty niffy in it's own
> right, 
> thanks Aaron!
> 
> peace
> 
> 
> Cyn
> 
> 
> http://www.cyndustries.com/
> 
> 
> 
> Anthony Bisset wrote:
> > Before this happens to me, I figured I'd ask:
> >
> > Is there any reason I couldn't run serge at +/-15v?
> >
> > I'm not concerned with 1v/octave tracking.  (i prefer to tune each
> CV as
> > i'm playing, it affords more interesting scales so i actually
> pulled all
> > the fixed 1v/octave inputs off the front panel and tied them
> together at a
> > single input for a sort of pol-pot attack, ie, when i get bored
> > i can modulate all modules).
> >
> > There was some discussion of this recently indicating i might need
> to
> > amplify this MEGAMULT signal, but because i'm living on the
> un-impeded
> > lifestyle, does it really matter?
> >
> > unorthodox cheers, feet kicking mud at sky.
> > -anthony
> >
> >
> >
> >  On Sun, 8 Apr 2007, Aaron Lanterman wrote:
> >
> >   
> >> On Sat, 7 Apr 2007, bill bigrig wrote:
> >>
> >>     
> >>> If you are going for a pitch to control voltage
> >>> module, go to mark.godfrey at gatech.edu. Ask for
> >>> "ECE4803 final project". I am holding in my hand his
> >>> design that uses a LM2917N and a quad TL084, and a
> >>> CA3046 along with some odds and ends to make one. It
> >>>       
> >> You can find that here
> >>
> >> http://users.ece.gatech.edu/~lanterma/studentprojects/
> >>
> >> One of these days I'll get around to posting the projects from the
> Fall
> >> 2006 offering...
> >>
> >> - Aaron
> >> _______________________________________________
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