I don't know much about this stuff, but it looks like it's a reverse-biased noise generator of some kind. https://en.wikipedia.org/wiki/Noise_generator https:/

I don't know much about this stuff, but it looks like it's a reverse-biased noise generator of some kind. https://en.wikipedia.org/wiki/Noise_generator https://en.wikipedia.org/wiki/Noise_generator http://holdenc.altervista.org/avalanche/ http://holdenc.altervista.org/avalanche/ http://freenrg.info/Physics/Scalar_Vector_Pot_And_Rick_Andersen/Rick_Andersen_Noisegen.htm http://freenrg.info/Physics/Scalar_Vector_Pot_And_Rick_Ander...