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current noise source Model in Pspice: Why dosn't it work?

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caledonia

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Hello,

i found this Pspice Model of a current noise source. I integrated it in Pspice und wanted to simulate in a very simple Test circuit.
It dosn't work.
I always revceive this error message: FN0 is not defined with a little bar afterward that I don't know.

The Noise source is supposed to contain a contstant part for the Thermic noise and a frequence dependant part modeled with the capacity.

Can you please look at it and perhaps tell me what you suggest?

thank you

pspice model.jpg
test circuit.jpg
error message.jpg
 

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