基于薄膜磁阻传感器的微弱磁场测量仪的硬件设计  

Hardware Design of an Instrument for Weak Magnetic Fields Measurement Based on Thin-film Magnetoresistive Sensor

作　　者：白慧[1] 段军政[1] 王红雨[1] 

机构地区：[1]西安交通大学电气工程学院,陕西西安710049

出　　处：《现代电子技术》2003年第23期90-91,94,共3页Modern Electronics Technique

摘　　要：介绍了薄膜磁阻传感器的结构与工作原理 ,及其用于微弱磁场测量仪的硬件设计方法。该测量仪选用 Philips公司的磁阻传感器 KMZ5 1进行设计 ,不仅能够测量地磁场 。This paper introduces the structure and operating principle of the thinfilm magnetoresistive sensor, and gives out the hardware design method of using the sensor in a certain instrument for weak magnetic fields measurement The instrument is based on Philips′ KMZ51 It can measure the earth magnetic field and other weak fields which don′t vary or vary slowly

关 键 词：微弱磁场测量 薄膜磁阻传感器 地磁场 KMZ51 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]