| 摘要 |
PROBLEM TO BE SOLVED: To provide a two-terminal pair isolator that bears a low insertion loss and has a wide bandwidth for insertion loss. SOLUTION: In this two-terminal pair isolator in which first and second center conductors are arranged adjacently to ferrite sheets so as to cross each other in an electrically insulative state, a static magnetic field is applied to the ferrite sheets by a magnet, one ends of the first and second center conductors become first and second input-output terminals respectively, the other ends are connected to a common part, a first matching capacitor is connected between the first input-output terminal and the common part, a second matching capacitor is connected between the second input-output terminal and the common part, and a resistive element is connected between the first and second input-output terminals, at least one of the ferrite sheets is rectangular in shape, the respective first and second central conductors are parallel to respective sides that make an angle of the rectangular ferrite sheet, and central parts of the respective central conductors are divided into three or more parts.
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