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CYLINDRICAL CAVITY RESONATOR TYPE FILTER AND CYLINDRICAL CAVITY RESONATOR
CYLINDRICAL CAVITY RESONATOR TYPE FILTER AND CYLINDRICAL CAVITY RESONATOR
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机译:圆柱谐振腔型滤波器和圆柱谐振腔
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摘要
PROBLEM TO BE SOLVED: To provide a cylindrical cavity resonator type filter which improves attenuating characteristics of a frequency band which is slightly higher than a passing band.;SOLUTION: In the cylindrical cavity resonator type filter, a plurality of the cylindrical cavity resonators 1, in which open windows are formed to the input end and the output end for electromagnetic waves, are mutually connected via a hole part of a coupling plate 6b through the open window formed to its own flange 11 and the open window formed to a flange 11 of the other cylindrical cavity resonator. A conductive member is mounted to the open window of each cylindrical cavity resonator 1. The conductive member does not substantially affect the resonance frequency in a basic mode compared with the state before mounting it. It only enhances the resonance frequency in a high-order mode.;COPYRIGHT: (C)2004,JPO&NCIPI
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