Tunable electromagnetic noise suppressor integrated with a magnetic thin film

Jaecheon Sohn, S. H. Han, M. Yamaguchi, Sang Ho Lim

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Abstract

A tunable electromagnetic noise suppressor based on a coplanar waveguide transmission line integrated with a magnetic thin film is presented. High resonance frequencies (above 10 GHz) and good signal attenuation characteristics are observed in the device, making it suitable for high frequency noise suppressors. The main mechanism of the loss generation is found to be the L-C resonance, not ferromagnetic resonance observed in previous similar devices. With the inclusion of a magnetic material, the resonance frequency can be tuned during the operation with an applied magnetic field.

Original languageEnglish
Article number103501
JournalApplied Physics Letters
Volume89
Issue number10
DOIs
Publication statusPublished - 2006 Sep 18

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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