Novel Type of Conducted Noise Suppressor in GHz Range Using Ferrite-plated Film
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概要
- 論文の詳細を見る
Two types of conducted noise suppressors, which dissipate noise current energy before radiated as noise waves, were developed using Ni-Zn ferrite films synthesized from an aqueous solution. In the “sheet type," Ni-Zn ferrite films of 5 μm thickness were deposited on polyimide sheets. In the “direct-deposition type," the films were deposited directly on to the microstrip line fabricated on printed circuit board (PCB). The transmission loss ΔPlossper thickness for the “sheet type" and “direct-deposition type" were 16 and 20 times larger, respectively, than that for commercialized composite noise suppressing sheets. Both types of ferrite-film noise suppressors exhibited reflection coefficient S11 small enough (< -10 dB) to be applied as conducted noise suppressors up to 10 GHz.
- 社団法人 電気学会の論文
- 2005-01-01
著者
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ABE Masanori
Department of Community Medicine, Ehime University Graduate School of Medicine
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Abe Masanori
Department Of Physical Electronics Tokyo Institute Of Technology
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Matsushita Nobuhiro
Department Of Physical Electronics Tokyo Institute Of Technology
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YOSHIDA Shigeyoshi
EMC Division, NEC/Tokin Co.
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Abe Masanori
Department Of Anesthesiology Faculty Of Medicine University Of The Ryukyus
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KONDO Koichi
Research and Development Unit, NEC Tokin Corporation
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Kondo K
Research And Development Unit Nec Tokin Corporation
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YOSHIDA Shigeyoshi
NEC TOKIN Corporation
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Yoshida Shigeyoshi
Emc Division Nec/tokin Co.
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