舰船电子工程
艦船電子工程
함선전자공정
SHIP ELECTRONIC ENGINEERING
2011年
10期
173-176
,共4页
微功耗%HMC1052%置位/重置电路
微功耗%HMC1052%置位/重置電路
미공모%HMC1052%치위/중치전로
micro-power%HMC1052%Set/Reset circuits
为了满足远距离磁性目标探测和微功耗工作的需要,设计了基于HMC1052的微功耗磁阻式传感器,并给出了具体的实现方法。设计使用了改进的功耗控制电路用以降低传感器的功耗,仿真和实测表明传感器的工作电流由原来的5.7mA降为5.7μA;设计了推挽式置位/重置电路;通过格拉斯磁环实验标定了传感器灵敏度是14.2μV/nT,屏蔽筒中测试得到的传感器噪声是±6nT,传感器高分辨率和微功耗的特点满足了远距离探测和电池供电的需要,有广阔的应用前景。
為瞭滿足遠距離磁性目標探測和微功耗工作的需要,設計瞭基于HMC1052的微功耗磁阻式傳感器,併給齣瞭具體的實現方法。設計使用瞭改進的功耗控製電路用以降低傳感器的功耗,倣真和實測錶明傳感器的工作電流由原來的5.7mA降為5.7μA;設計瞭推輓式置位/重置電路;通過格拉斯磁環實驗標定瞭傳感器靈敏度是14.2μV/nT,屏蔽筒中測試得到的傳感器譟聲是±6nT,傳感器高分辨率和微功耗的特點滿足瞭遠距離探測和電池供電的需要,有廣闊的應用前景。
위료만족원거리자성목표탐측화미공모공작적수요,설계료기우HMC1052적미공모자조식전감기,병급출료구체적실현방법。설계사용료개진적공모공제전로용이강저전감기적공모,방진화실측표명전감기적공작전류유원래적5.7mA강위5.7μA;설계료추만식치위/중치전로;통과격랍사자배실험표정료전감기령민도시14.2μV/nT,병폐통중측시득도적전감기조성시±6nT,전감기고분변솔화미공모적특점만족료원거리탐측화전지공전적수요,유엄활적응용전경。
For requirement of detecting at some distance away a ferromagnetic object and working at low power dissipation,a double axis and micro-power magneto-resistive sensor is developp-ed based on HMC1052.The circuit of pulse for power supply is designed for reducing the power dissipation of magnetic sensor.The result of testing proves that the current fall from 4.7mA to 4.7 μA;Set/Reset circuits has been finished.The sensitivity of the magnetoresistive sensor is 1.42μV/nT,ensured through experiment and the noise is 12nT.The high performance and low power dissipa-tion of the sensor can fit for the application of long distance＇s detection and battery-powered.
