NON-RECIPROCAL CIRCUIT DEVICE, HIGH-FREQUENCY CIRCUIT, AND COMMUNICATION DEVICE

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United States of America Patent

SERIAL NO

15715512

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Abstract

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A non-reciprocal circuit device includes: a permanent magnet; a ferrite to which a direct current magnetic field is applied by the permanent magnet; and a plurality of center conductors disposed on the ferrite so as to intersect with one another with being insulated from one another. One ends of the respective center conductors serve as input-output ports, and other ends of the respective center conductors are connected to a ground. Capacitance elements are connected in parallel to the respective center conductors. The permanent magnet includes a first permanent magnet and a second permanent magnet. With respect to the first permanent magnet and the second permanent magnet, directions of respective direct current magnetic fields applied to the ferrite are opposite to each other, and there is a difference between temperature characteristics of respective residual magnetic flux densities.

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Patent Owner(s)

Patent OwnerAddress
MURATA MANUFACTURING CO LTDKYOTO JAPAN KYOTO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HINO, Seigo Kyoto, JP 28 231

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