[sdiy] CA3130 in Polyfusion Noise module...should a new one work?

[René Schmitz]

Hi Harald and all,

harald wrote:
> The ca3130 is not designed for, but can work with unsymetric supply voltage 
> between 5..16V. As shown in the schemo. If driven symetricly, voltage must be 
> between +-2,5...+-8V.
> The input noise signal seems to be very low. If it does not exceed -0,5V under 
> GND at pin 4 there should be no clipping. 

But the output can't swing below GND. Thats the problem.

Cheers,
  René

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uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159