Studies in Partial Switching of Ferrite Cores

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Abstract
The characteristics of Mg Mn ferrite cores in a partially switched state are investigated. Questions are considered relating to the percentage of flux switched at various locations within a core as well as the speed of this switching. Results show that the amplitude and duration of the set pulse has a pronounced effect on the core behavior. It has been found that most of the variation of the switching waveform among different regions is due to the geometry of the core. Models are proposed to describe the behavior observed experimentally. The operation of partially switched cores in a fast memory and the investigation of various memory schemes are discussed. Possible applications of the partially switched cores for digital computer applications are mentioned.