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Filter comprising resonator assemblies including a first cavity with a first resonant member and a second cavity with a second resonant member, where a part of the first cavity forms the second resonant member
Filter comprising resonator assemblies including a first cavity with a first resonant member and a second cavity with a second resonant member, where a part of the first cavity forms the second resonant member
A cavity resonator assembly and filters formed from assemblies are provided. The resonator assembly comprising: a first resonator cavity, a first resonant member, and a first signal feed; a second resonator cavity, a second resonant member, and a second signal feed. The first resonant member is-located within the first resonator cavity, arranged to receive a signal from the first signal feed and configured to resonate within the first cavity at a first fundamental frequency. The second resonant member is-located within the second resonator cavity, arranged to receive a signal from the second signal feed and configured to resonate within the second cavity at a second fundamental frequency. At least a portion of the second cavity is housed within the first resonant member. The first resonator cavity surface from which the first resonant member extends is offset from a second resonator cavity surface from which the second resonant member extends.
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