Harmonic generation in 1/f noise (resistors)

Abstract

Several observers have reported the peculiar phenomenon that passage of an alternating current through a semiconductor produces noise near zero frequency with 1/f spectrum, as well as producing 1/ Delta f sidebands on either side of the excitation frequency. Bull and Bozic (Br. J. Appl. Phys., vol.18, p.883 (1967)) reported the generation of white noise at low frequency. Re-examination of their data, taking account of the analysis of Lorteije and Hoppenbrouwers (Phillips Res. Rep., vol.26, p.29 (1971)), suggests that their experiment also produced 1/f noise plus 1/ Delta f noise, rather than white noise at low frequency.

On the ontological ambiguity of physics facing reality

“…Strange and unacceptable as this gedanken experiment is (a favorite of Einstenian thought), actual experiments measuring entanglement were devised and performed, starting with the report of Aspect et al (1982) and using several physical systems to test the predictions of QM. In fact, an important general development by Bell (1964) came up, establishing an upper bound to some directly measurable quantities within a local Reality approach as advocated by EPR. These bounds came to be known as Bell's inequalities.…”