| 摘要 |
A two-port isolator includes a metal case including an upper metal case and a lower metal case, a permanent magnet, a central electrode assembly made of a ferrite and central electrodes, and a laminated substrate. In the central electrode assembly, the first and second central electrodes are disposed on the top surface of the disk-shaped microwave ferrite such that the first and second central electrodes intersect each other at right angles with an insulating layer therebetween. The electrode width of the first central electrode is different from the electrode width of the second central electrode. Thus, the inductance of the first central electrode and the inductance of the second central electrode are different from each other.
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