Patent ID: 8558623
Filing Date: 2013-10-15
Classification: H03B,Y10T

Abstract:
1. An oscillating circuit, comprising: first and second groups of n elementary junctions, wherein: n is an integer greater than or equal to 1, each of the elementary junctions has a giant magnetoresistance effect, the elementary junctions of each of the two groups are in series, each of the two groups of n elementary junctions is traversed by a respective main current, and the voltages across terminals of the two groups are added together to provide a voltage on an output of the oscillating circuit, a voltage across the terminals of one or more elementary junctions of the first group is applied to a first input of a phase comparator, a voltage across the terminals of one or more elementary junctions of the second group is applied to a second, different input of the phase comparator, the phase comparator is configured to provide secondary currents of the same amplitude and opposite signs on two outputs of the phase comparator, where the amplitude depends on a mean phase difference between the voltages applied to the first and second inputs of the phase comparator, and the secondary currents are each added to a respective main current.