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- AWAI Ikuo
- the Department of Electrical and Electronic Engineering. Yamaguchi University
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A unified theory for the characteristics of dual modes in a circular resonator is elucidated in simple analytical expressions. First, a circular resonator is considered as a ring transmission line which allows two oppositely traveling waves. The essential quantities that characterize a transmission line, i. e., the propagation constant and characteristic impedance are obtained theoretically and/or experimentally. Secondly, any circular resonator is described by a ring resonator model which can be treated analytically, and the resonant frequencies are obtained when perturbations are added along the periphery of a circular resonator. A two stage BPF is created by adding I/O ports to the perturbed circular resonator. Its center frequency and bandwidth is calculated based on the ring resonator model. The circuit condition for obtaining two attenuation poles at both sides of the passband is given together with the method for their control.
収録刊行物
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- IEICE transactions on electronics
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IEICE transactions on electronics 81 (11), 1757-1763, 1998-11-25
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詳細情報
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- CRID
- 1571698602419023872
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- NII論文ID
- 110003211383
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- NII書誌ID
- AA10826283
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- ISSN
- 09168524
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles