Spontaneous Resistance Fluctuations in Carbon Microphones and Other Granular Resistances

1 April 1936

journal article
website
Published by Institute of Electrical and Electronics Engineers (IEEE) in Bell System Technical Journal

Vol. 15 (2) , 197-223
https://doi.org/10.1002/j.1538-7305.1936.tb00730.x

Abstract

Voltage fluctuations which occur in resistance elements of the granular type when a direct current is flowing have been measured in the granular carbon microphone, commercial grid leaks, and sputtered or evaporated metal films. The results can be exp...

Keywords

CARBON MICROPHONES
GRANULAR RESISTANCES
RESISTANCE FLUCTUATIONS
SPONTANEOUS RESISTANCE
FLUCTUATIONS IN CARBON