A Fast Millimeter Ferrite Latching Switch

Abstract
During the past few years considerable interest has been generated in remanent latching ferrite phase shifters, especially the non-reciprocal type as conceived by Silber, for phase array antennas. By utilizing the square loop properties of ferrites and operating them in the two remanant states, differential phase shift is obtained. These phase shifters possess the virtue of extreme compactness, ability to sustain high peak and average powers, are self-latching, that is require no holding power in either state, and can be switched rapidly with low energy.

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