| 摘要 |
A polarizer for connection to a first and a second wave guide includes a feed tube and the first wave guide connected laterally to the feed tube whereby a long dimension of the wave guide extends in the direction of the axis of the feed tube. A short circuiting element is disposed in the feed tube between the connection of the first wave guide and one end of the feed tube. The second wave guide extends parallel to the first one and is laterally connected with a wide side to that one end of the feed tube, closing the same. The wide dimensions of the two wave guides are turned by 90 DEG . The second wave guide is short circuited at its end, and a trimming pin is disposed on the second wave guide in axial alignment with the axis of the tube. The other end of the feed tube is connected to a single wave guide. The wave guides may have rectangular or elliptical cross section.
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