Paper Title:
A Miniature Fluxgate Sensor with CMOS Interface Circuitry
  Abstract

In this paper, the writers reported on a fluxgate sensor and a CMOS-ASIC for sensor supply. The design method and principle of the interface circuit of the fluxgate sensor was also presented, which was based on second-harmonic detection of the output voltage. This circuit has been simulated and realized through 0.5μm DPDM P-sub CMOS Process. The size of this circuit is 2mm×2mm. The circuit exhibited a sensitivity of 16.5mV/μT and a linear range of ±90μT. With 5V of voltage supply, the total power consumption of the circuit was as low as 35 mW.

  Info
Periodical
Edited by
Xiaohao Wang
Pages
164-168
DOI
10.4028/www.scientific.net/KEM.483.164
Citation
W. P. Chen, C. C. Dong, X. W. Liu, Z. P. Zhou, "A Miniature Fluxgate Sensor with CMOS Interface Circuitry", Key Engineering Materials, Vol. 483, pp. 164-168, 2011
Online since
June 2011
Keywords
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