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发明授权
CN101826268B 半导体磁敏传感器特性演示仪 失效 - 权利终止

  • 专利标题： 半导体磁敏传感器特性演示仪
  • 专利标题（英）： Semiconductor magnetic sensor characteristic demonstrator
  • 申请号： CN201010174853.9
    申请日： 2010-04-27
  • 公开(公告)号： CN101826268B
    公开(公告)日： 2012-03-28
  • 发明人: 施文娟
  • 申请人： 盐城师范学院
  • 申请人地址： 江苏省盐城市开放大道50号
  • 专利权人： 盐城师范学院
  • 当前专利权人： 盐城师范学院
  • 当前专利权人地址： 江苏省盐城市开放大道50号
  • 主分类号： G09B23/18
  • IPC分类号： G09B23/18
半导体磁敏传感器特性演示仪
摘要：
本发明涉及一种半导体磁敏传感器特性演示仪，属于演示仪器技术领域。电路由霍尔元件、磁敏二极管、磁敏三极管、发光二极管、5G21集成电路、电阻、转换开关、电源开关和电压表组成，其特征是：霍尔元件输出端的一端和转换开关相连，另一端和5G21集成电路的3脚相连，四只磁敏二二极管组成磁敏电桥，磁敏电桥输出端的一端和转换开关相连，另一端和5G21集成电路的3脚相连，二只磁敏三极管和电阻连接成差分放大电路，差分放大电路输出端的一端和转换开关相连，另一端和5G21集成电路的3脚相连，转换开关公共端和5G21集成电路的2脚相连，由于采用上述技术方案，发明所具有的优点和积极效果是：演示效果好，造价低廉。
摘要（英）：

The invention relates to a semiconductor magnetic sensor characteristic demonstrator which belongs to the technical field of demonstrating instruments. A circuit comprises a hall element, magnet sensing diodes, magnet sensing triodes, a light emitting diode, a 5G21 integrated circuit, a resistor, a conversion switch, a power supply switch and a voltmeter, and is characterized in that one end of the output end of the hall element is connected with the conversion switch, the other end is connected with three pins of the 5G21 integrated circuit, the four magnet sensing diodes form a magnet sensing electric bridge, one end of the output end of the magnet sensing electric bridge is connected with the conversion switch, the other end is connected with the three pins of the 5G21 integrated circuit, the two magnet sensing triodes and the resistor are connected to form a differential amplifying circuit, one end of the output end of the differential amplifying circuit is connected with the conversion switch, the other end is connected with the three pins of the 5G21 integrated circuit, and the common end of the conversion switch is connected with the two pins of the 5G21 integrated circuit.Because the technical scheme is adopted, the invention has the advantages and the positive effects of good demonstration effect and low manufacturing cost.

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