Measurement and Magnetic Countermeasure Methodology to Deal with Inverter Noise

Masahiro Yamaguchi, Yasunori Miyazawa, Jinyang Ma, Mitsuharu Sato, Akihiro Takahashi, Satoshi Tanaka, Makoto Nagata, Ranajit Sai

研究成果: Conference contribution

抄録

In this paper, the influence of unnecessary radio waves at the receiver circuit of a cell phone handset is suppressed by a new magnetic material in order to contribute to the technology for reliably sharing these different systems at frequencies from 700 MHz to 6 GHz where many radio waves systems are concentrated. The material used is called hexagonal ferrite and is widely used as a permanent magnet material in general. Since this material can generate magnetic losses in a frequency selective manner in and above the SHF band, the fine particles hexagonal ferrite are mixed with a polymer binder to form a powder composite and applied on the wiring on PCB. This component was used as a frequency variable resistor for conduction noise suppression. Performance verification was evaluated by input loss ratio, Ploss / Pin, on the microstrip line based on IEC 62333-2. It became clear that this new noise suppressor has excellent noise suppressing function in the GHz band.

本文言語English
ホスト出版物のタイトルEMC Europe 2018 - 2018 International Symposium on Electromagnetic Compatibility
出版社Institute of Electrical and Electronics Engineers Inc.
ページ608-612
ページ数5
ISBN(電子版)9781467396974
DOI
出版ステータスPublished - 2018 10 5
イベント2018 International Symposium on Electromagnetic Compatibility, EMC Europe 2018 - Amsterdam, Netherlands
継続期間: 2018 8 272018 8 30

出版物シリーズ

名前IEEE International Symposium on Electromagnetic Compatibility
2018-August
ISSN(印刷版)1077-4076
ISSN(電子版)2158-1118

Other

Other2018 International Symposium on Electromagnetic Compatibility, EMC Europe 2018
CountryNetherlands
CityAmsterdam
Period18/8/2718/8/30

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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