| 摘要 |
PURPOSE: A semi-coaxial resonator and a wave filter apparatus are provided to prevent the Q-value of the resonator from being reduced and minimize the size of the semi-coaxial resonator. CONSTITUTION: A metal case(1) arranges a sealing space. A round shaped resonator is installed in the case. The resonator is in a tapered shape from the base part to the top part. The diameter of the top part is smaller than the diameter of the bottom part. Electric wave is applied to the resonator from an input connector(4) through a combining plate(5). The electric wave is outputted from the resonator to an output connector(6) through the combining plate.
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