| 摘要 |
A coaxial resonator comprises a housing with walls which are metallically conductive at least on the inner side, with an injection and tapping opening and with a tube rejecting from a wall of the housing into its inner space, being metallically conductive and being conductively connected with said wall. The tube ends at a distance from the inner surface of the opposite wall and comprises a metallic tuning body which is axially displaceable. The risk that intermodulation products are produced which are caused by abraded parts produced during the displacement of the tuning body is prevented in such a way that the tuning body is held coaxially in the tube by way of a rod made of dielectric material, without contacting the tube conductively, and that the end of the rod averted from the tuning body is configured for displacing the tuning body.
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