Characteristics of 2D magnetic field sensor based on magnetic sensitivity diodes

被引：15
|
作者：
Zhao, Xiaofeng [1 ]
Yang, Xianghong [1 ]
Yu, Yang [1 ]
Wu, Tong [1 ]
Wen, Dianzhong [1 ]
机构：
[1] Heilongjiang Univ, Coll Heilongjiang Prov, Key Lab Elect Engn, Harbin, Peoples R China
来源：
AIP ADVANCES | 2015年 / 5卷 / 04期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
HALL; TECHNOLOGY; DEVICE;
D O I：
10.1063/1.4907695
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A two-dimensional (2D) magnetic field sensor is proposed in this paper. It contains two Wheatstone bridges composed of four magnetic sensitivity diodes(MSDs) with similar characteristics and four loading resistances. In order to realize the axial symmetric distribution of four MSDs, two MSDs with opposite magnetic sensitive directions were located along the x and -x axes, and two with opposite magnetic sensitive directions were located along the y and -y axes. The experimental results indicate that when V-DD=5.0 V, the magnetic sensitivities of the 2D magnetic sensor can reach S-xB=544 mV/T and S-yB=498 mV/T in the x and y directions, respectively. Consequently, it is possible to measure the two-dimensional magnetic field. (C) 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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页数：6
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