Noise Optimization of Racetrack Fluxgate Sensors

Authors: Piel, Rainer; Ludwig, Frank; Schilling, Meinhard

Source: Sensor Letters, Volume 7, Number 3, June 2009 , pp. 317-321(5)

Publisher: American Scientific Publishers

Buy & download fulltext article:


Price: $113.00 plus tax (Refund Policy)


To further reduce the noise of our wire-wound racetrack fluxgate magnetometers, we systematically investigated the effect of core tape width, the number of tape wraps and of the secondary coil diameter on the apparent core permeability, the sideband sensitivity and the sensor noise. In addition, we studied in detail the individual noise contributions of the sensor and the various components of the closed-loop electronics. Values of about 100 fT/Hz1/2 have been measured as flux density noise contribution of the core. Currently, the total noise is limited by the noise from the square-wave current source in the excitation circuit.
More about this publication?
  • The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
  • Editorial Board
  • Information for Authors
  • Subscribe to this Title
  • Terms & Conditions
  • ingentaconnect is not responsible for the content or availability of external websites
Related content



Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content

Text size:

A | A | A | A
Share this item with others: These icons link to social bookmarking sites where readers can share and discover new web pages. print icon Print this page