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二重円筒空胴電力合成器の結合電磁界 The analysis of the coupling field on a double cylindrical cavity structure 大久保, 章 桑原, 淳治 中川, 修 田中, 聡 マイクロ波 電力合成 円筒空胴 二重空胴 Microwave Power Combining Cylindrical Cavity Double Cavity P(論文) The double cylindrical cavity multiple-device power combiner fabricates with a TM_<0n0>-mode (n&sce;2) oversized cylindrical cavity combiner coupled with a dominant mode combiner through a transmission line. Since the dominant mode combiner as the injection signal source can oscillate only in TM_<010>-mode, injection excitation of the desired mode in the oversized cavity facilitates undesired modes suppression as well as combine the available power of all the devices in both cavities. To study the operating characteristics of this combiner, it is necessary to understand the coupling field in the cavities and construct suitable equivalent circuit model. In this paper, axial symmetric FEM field analysis is applied on the reduced and loss free double cylindrical cavity eliminating the active devices and the output probes. Then the configurations of the coupling circuit are discussed. 1994-03 jpn departmental bulletin paper https://fukuyama-u.repo.nii.ac.jp/records/7911 AN00217655 福山大学工学部紀要 17 2 39 45 https://fukuyama-u.repo.nii.ac.jp/record/7911/files/KJ00005781299.pdf application/pdf 511.7 kB 1994-03-01