Cross-field effects in tape cores

Abstract
A number of authors have discussed cross-field effects in papers dealing with nondestructive read-out of saturation flux levels1,2 or with modulation devices.3 In this paper, it will be shown that the average flux level in a square-loop material controls the amplitude of the second-harmonic voltage induced in a coil as a result of a sinusoidal field orthogonal to the axis of the coil and the direction of the flux. A theoretical discussion of the cross-field effect and the experimental results is presented, along with a brief consideration of this effect as an experimental tool and applied device.

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