A COAXIAL CAVITY RESONATOR, FILTER AND USE OF RESONATOR COMPONENT IN A FILTER

摘要

The present invention relates to a coaxial cavity resonator comprising walls delimiting a cavity, and at least one resonator body comprising a conductive rod having a first end being in short circuit relation to a first wall of said cavity walls, said first end having a cross-sectional area. The resonator further comprises a first conductive supportive plate having a first side being connected to the first end of each rod, said first side having a larger area than said cross-sectional area of the first end of the rod and a second side, opposite said first side, of the supportive plate being electrically connected to said first wall. A retainer is provided in said first cavity wall to guide said supportive plate, and an attachment is provided to secure said first supportive plate to said retainer. The invention also relates to a filter and a use of a resonator component in a filter.