The design and operation of a second-generation carrier-domain magnetometer device
作者:
M.H.Manley,
G.G.Bloodworth,
期刊:
Radio and Electronic Engineer
(IET Available online 1983)
卷期:
Volume 53,
issue 3
页码: 125-132
年代: 1983
DOI:10.1049/ree.1983.0027
出版商: IERE
数据来源: IET
摘要:
The carrier-domain magnetometer generates an electrical output having a frequency proportional to an applied magnetic field, arising from the rotation of the current distribution in a circular bipolar transistor structure with its axis parallel to the field. An improved version of this silicon transducer has been designed and investigated, which has a sensitivity of about 100 kHz/T. The sensitivity depends on temperature and electrical bias conditions, and compensation techniques are described. If a magnetic field is applied parallel to the plane of the circle, its angular position can be monitored since the domain follows it.
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