NDLI: Investigation of emission reduction effect from interface cables using amorphous magnetic-alloy film

Content Provider	IEEE Xplore Digital Library
Author	Amemiya, F. Takagi, K. Mori, T. Kuwabara, N. Hamada, S. Iwamoto, Y.
Copyright Year	2002
Description	Author affiliation: NTT Adv. Technol., Tokyo, Japan (Amemiya, F.; Takagi, K.; Mori, T.)
Abstract	This paper describes the effect of amorphous magnetic-alloy film in achieving emission reduction. This film is expected to replace ferrite because of a high permeability that exceeds Snoek's limit and a low required thickness. In the investigation, an amorphous magnetic-alloy film was wound around a cable. Then, the cable's emission levels were measured in a semi-anechoic chamber at a distance of 3 m. We examined to what degree film length, film position, and film thickness have an effect on the emission reduction from cables protected with amorphous magnetic-alloy films. The experiment results indicated that a 1 m long region wound with the magnetic-alloy film was required in order to achieve identical emission reduction levels as those of typical ferrite cores. In addition, the results show that the reduction effect was enhanced when a ferrite core was used in combination with the film, and that there were few advantages in reducing emission when a metallic thin film was applied on one surface of the magnetic-alloy film.
Starting Page	155
Ending Page	160
File Size	332534
Page Count	6
File Format	PDF
ISBN	0780372646
DOI	10.1109/ISEMC.2002.1032466
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-08-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cables Amorphous materials Amorphous magnetic materials Magnetic films Ferrite films Magnetic cores Permeability Impedance matching Wounds Circuits
Content Type	Text
Resource Type	Article

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