Magnetic field sensitivity of LC filter-type magnetoimpedance sensors

Seung Dae Kim; Kwang Ho Shin; Jinwoo Kim; Young-Hak; Sang Ho Lim; Geon Sa-gong

doi:10.1016/j.jmmm.2006.04.017

Magnetic field sensitivity of LC filter-type magnetoimpedance sensors

Seung Dae Kim, Kwang Ho Shin, Jinwoo Kim, Young-Hak, Sang Ho Lim, Geon Sa-gong

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

In this study, we discuss the basic concept and applicability of the LC high pass filter configuration for the magnetoimpedance sensors, and examine its performance with SPICE simulation and experiment using amorphous ribbon pattern as a sensor element. Special attention is given to the sensitivity of the filter configuration. The LC filter circuit shows the output-changing ratio per 1 Oe of 5% at 50 MHz. This value is larger in 2.5 times than the output-changing ratio expected in a conventional bridge circuit with constant current excitation.

Original language	English
Pages (from-to)	e391-e393
Journal	Journal of Magnetism and Magnetic Materials
Volume	304
Issue number	1
DOIs	https://doi.org/10.1016/j.jmmm.2006.04.017
Publication status	Published - 2006 Sept

Bibliographical note

Funding Information:
This work was supported by Grant no. RTI04-01-03 from the Regional Technology Innovation Program of the Ministry of Commerce, Industry and Energy (MOCIE) of Korea.

Keywords

LC filter circuit
Magnetoimpedance sensors

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2006.04.017

Cite this

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title = "Magnetic field sensitivity of LC filter-type magnetoimpedance sensors",

abstract = "In this study, we discuss the basic concept and applicability of the LC high pass filter configuration for the magnetoimpedance sensors, and examine its performance with SPICE simulation and experiment using amorphous ribbon pattern as a sensor element. Special attention is given to the sensitivity of the filter configuration. The LC filter circuit shows the output-changing ratio per 1 Oe of 5% at 50 MHz. This value is larger in 2.5 times than the output-changing ratio expected in a conventional bridge circuit with constant current excitation.",

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note = "Funding Information: This work was supported by Grant no. RTI04-01-03 from the Regional Technology Innovation Program of the Ministry of Commerce, Industry and Energy (MOCIE) of Korea.",

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AU - Kim, Seung Dae

AU - Shin, Kwang Ho

AU - Kim, Jinwoo

AU - Young-Hak,

AU - Lim, Sang Ho

AU - Sa-gong, Geon

N1 - Funding Information: This work was supported by Grant no. RTI04-01-03 from the Regional Technology Innovation Program of the Ministry of Commerce, Industry and Energy (MOCIE) of Korea.

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N2 - In this study, we discuss the basic concept and applicability of the LC high pass filter configuration for the magnetoimpedance sensors, and examine its performance with SPICE simulation and experiment using amorphous ribbon pattern as a sensor element. Special attention is given to the sensitivity of the filter configuration. The LC filter circuit shows the output-changing ratio per 1 Oe of 5% at 50 MHz. This value is larger in 2.5 times than the output-changing ratio expected in a conventional bridge circuit with constant current excitation.

AB - In this study, we discuss the basic concept and applicability of the LC high pass filter configuration for the magnetoimpedance sensors, and examine its performance with SPICE simulation and experiment using amorphous ribbon pattern as a sensor element. Special attention is given to the sensitivity of the filter configuration. The LC filter circuit shows the output-changing ratio per 1 Oe of 5% at 50 MHz. This value is larger in 2.5 times than the output-changing ratio expected in a conventional bridge circuit with constant current excitation.

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KW - Magnetoimpedance sensors

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Magnetic field sensitivity of LC filter-type magnetoimpedance sensors

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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