Miniaturized Stepped Impedance Resonators with a Double Coaxial Structure and Their Application to Bandpass Filters

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概要

• 論文の詳細を見る

• This paper describes newly developed miniaturized stepped impedance resonators with a double coaxial structure (DC-SIR's) and their application to bandpass filters. The new DC-SIR's using dielectric material are devised for more compact and lower frequency bandpass filters. Fundamental characteristics such as resonance properties and unloaded-Q make it clear that DC-SIR's have attractive features that miniaturization can be achieved without Q-factor degradation. Trial 400 MHz bandpass filters incorporating DC-SIR's are also made. Experimental results of bandpass filters proved that DC-SIR's are applicable to lower frequency band radio equipment and able to contribute to the expansion of applicable frequency ranges of dielectric coaxial resonators.

• 社団法人電子情報通信学会の論文
• 1995-08-25

著者

• EGUCHI Kazuhiro

  Microelectronics Engineering Laboratory, Semiconductor Company, Toshiba Corporation

• Matsuo Masatoshi

  Processor Development Center Corporate Development Division Semiconductor Company Matsushita Electri

• Sagawa Morikazu

  Information and Communications Technology Laboratory, Matsushita Electric Industrial Co., Ltd.

• Sagawa Morikazu

  Information And Communications Technology Lab. Matsushita Electric Industrial Co. Ltd.

• Matsuo M

  Processor Development Center Corporate Development Division Semiconductor Company Matsushita Electri

• Matsuo Michiaki

  Information and Communications Technology Lab., Matsushita Electric Industrial Co., Ltd.

• Makimoto Mitsuo

  Information and Communications Technology Lab., Matsushita Electric Industrial Co., Ltd.

• Eguchi Kazuhiro

  Miyazaki Matsushita Electric Co., Ltd.

• Eguchi K

  Tokyo Metropolitan Univ. Tokyo Jpn

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