[sdiy] why +/- 15V

[René Schmitz]

Hi Michiel et al.,

makoot at gmx.net wrote:
> I don't know, but isn't 10V just less sensitive to outside influences, like
> ElectroMagneticRadiation?
> Besides that it might be more accurate having a wider voltage range.

I doubt that with the shielding and the low drive impedances of the 
opamps (even with the 1k series resistor one often sees) that the inputs 
can pick up much electrically. A cable plugged into an input only is 
another thing (antenna), but can usually be eliminated because its not a 
contributing part of a patch.
Also this is a two sided medal, a larger amplitude also means that 
capacitive bleed within the system is stronger, because the fields are 
stronger too.

Cheers,
  René


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uzs159 at uni-bonn.de
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