| 摘要 |
A circulator including a unique shaped transformer having triangular apexes extending symmetrically into the respective channel and connected to two opposed side walls by coplanar tabs. One of the channel sidewalls has a minimum of three sections to provide a transition between a first linear section extending from the center junction, and a second linear section extending from the port. The opposed sidewall has only two linear sections. The coplanar tabs are connected to the triangular apexes by a portion curved in the coplanar plane. One of the channels includes two opposed linear walls extending between the center and the port with a pair of opposed studs extending from each wall toward each other. These studs are coplanar with the tabs and used for tuning. The studs also have a portion curved in the coplanar plane.
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