| 摘要 |
PROBLEM TO BE SOLVED: To provide an irreversible circuit element capable of obtaining sufficient irreversible characteristics in an arbitrary frequency band as a single unit without considerably increasing the number of parts. SOLUTION: The irreversible circuit element is configured by including a magnetic substance, a plurality of central conductors L1 to L3, one ends of which are connected to different input/output ports, arranged on the magnetic substance so as to intersect each other while being insulated from each other, a first conductor P1 connected to the other ends of all the central conductors L1 to L3, a second conductor, a plurality of matching capacitors (each configured by C1 to C3) connecting the one end of the central conductors L1 to L3 and the second conductor and a variable matching mechanism V1, one end of which is connected or integrated with the second conductor, capable of changing reactance between the one end and the other end thereof. COPYRIGHT: (C)2008,JPO&INPIT
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