摘要
研究了采用非晶退火法制备的Fe72 .7CuNb2 V1.8Si13.5B9纳米晶合金材料制成的新型弱电流传感器。它利用多谐振荡桥励磁的单纳米晶磁芯双绕组差动对称结构。介绍了传感器的工作原理 。
A new weak current sensor using Fe 72.7 CuNb 2V 1.8 Si 13.5 B 9 nanocrystalline alloy materials made by means of amorphous annealing is investigated.The sensor has differential symmetric structure with single nanocrystalline core and double coils excited by multivibrator bridge.The principle of the sensor is analyzed and the signal processing circuit is designed.
出处
《测控技术》
CSCD
2002年第2期4-6,共3页
Measurement & Control Technology
关键词
非晶退火法
弱电流传感器
差动对称结构
Fe基纳米晶合金
amorphous annealing
nanocrystalline alloy
weak current sensor
differential symmetric structure
