26GHz Bandpass Filter and Duplexer Using TM_<11δ> Mode Dielectric Resonators with High-Q Performance and Compact Configuration(Microwaves, Milimeter-Waves)
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概要
- 論文の詳細を見る
26GHz bandpass filter and duplexer using TM_<11δ> rectangular-mode dielectric cavity resonators are proposed. These have a configuration compact and suitable for mounting on circuit boards. The resonators consisting of the Ba (Mg, Ta) O_3 ceramic material showed a high quality factor value of 2600, which is roughly comparable to that of conventional E-plane waveguide filters. The dielectric losses of the ceramic material were experimentally evaluated from the viewpoint of the high frequency operation and the dielectric loss tangent of 7.4×10^<-5> was observed at 20GHz. A three-stage Tchebyscheff bandpass filter with 0.4% relative bandwidth was fabricated and the passband insertion loss was 1.7dB. A duplexer designed with two TM_<11δ> mode filters and a microstrip T-junction is also presented.
- 社団法人電子情報通信学会の論文
- 2003-11-01
著者
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Ishizaki T
Matsushita Electric Industrial Co. Ltd. Kadoma‐shi Jpn
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Ishizaki T
Matsushita Electronic Components Co. Ltd. Kadoma‐shi Jpn
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Ishizaki Toshio
Device Development Center Matsushita Electric Industrial Co. Ltd.
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Enokihara Akira
Advanced Technology Research Laboratories Matsushita Electric Industrial Co. Ltd.
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Enokihara Akira
The Central Research Laboratories Matsushita Electric Industries Co. Ltd.
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Nakamura T
Fujitsr Ltd. Akiruno-shi Jpn
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NANBA Hideki
Engineering Department, Matsushita Nitto Electric Co., Ltd.
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NAKAMURA Toshiaki
Engineering Department, Matsushita Nitto Electric Co., Ltd.
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OKUYAMA Kojiro
Device Development Center, Matsushita Electric Industrial Co., Ltd.
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UWANO Tomoki
Nakao Laboratory, Matsushita Electric Industrial Co., Ltd.
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Uwano T
Nakao Laboratory Matsushita Electric Industrial Co. Ltd.
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Nanba Hideki
Engineering Department Matsushita Nitto Electric Co. Ltd.
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Okuyama Kikuo
Device Development Center Matsushita Electric Industrial Co. Ltd.
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