Detection of wide band signal by a high frequency carrier-type magnetic probe

被引：8
|
作者：
Tan, Kenji
Yamakawa, Kiyoshi
Komakine, Takashi
Yamaguchi, Masahiro
Kayano, Yoshiki
Inoue, Hiroshi
机构：
[1] Akita Res Inst Adv Technol, Akita 0101623, Japan
[2] Tohoku Univ, Dept Elect & Commun Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
[3] Akita Univ, Dept Elect & Elect Engn, Akita 0108502, Japan
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 99卷 / 08期
关键词：
DC machinery - Fabrication - Magnetic devices - Magnetic fields - Signal detection;
D O I：
10.1063/1.2173607
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A high frequency carrier-type magnetic field sensor [gaint magnetoimpedance (GMI) sensor] probe with a narrow magnetic strip was fabricated. High frequency field detection was performed by this probe. For specific dc bias fields, high sensitivity could be achieved in a wide range of frequency from 5 kHz to 1 GHz. The sensitivity with a high dc bias field was lower than that with a low dc bias field. The outputs of the GMI probe were proportional to input power which generated the ac magnetic field. (C) 2006 American Institute of Physics.
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页数：3
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