The Study of a Fluxgate SPICE Model Based on Schmitt Trigger

Yue Zhao; Jing Lin Hu; Wen Zhong Lou; Long Fei Zhang

doi:10.4028/www.scientific.net/KEM.483.212

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The Study of a Fluxgate SPICE Model Based on Schmitt Trigger
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Technique for Compensation of Temperature Drift in Thermal Excited Si-Based Resonant Pressure Sensor
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 483The Study of a Fluxgate SPICE Model Based on...

The Study of a Fluxgate SPICE Model Based on Schmitt Trigger

Abstract:

Current fluxgate sensor probe SPICE models constructed by using arc tangent transfer function method and the diode model in fluxgate sensor simulation had some disadvantages which were non convergence, low simulation accuracy, discontinuously adjusted core characteristics and the model couldn’t simulate the hysteresis characteristic. IO characteristics of Schmitt Trigger was similar to the B-H curve of soft magnetic core in shape, for this reason Schmitt trigger was used to construct fluxgate probe SPICE model. HSPICE was used in simulation. Simulation results shown that this model can simulate the real electrical properties of fluxgate probe accurately. This model can be used for fluxgate sensor interface integrated circuit research and fluxgate sensor application, and provide a reference to judge the performance for fluxgate sensors of which core parameters within a certain range.

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Periodical:

Key Engineering Materials (Volume 483)

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212-218

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.483.212

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Online since:

June 2011

Authors:

Yue Zhao, Jing Lin Hu, Wen Zhong Lou, Long Fei Zhang

Keywords:

Fluxgate, Schmitt Trigger, Spice Model

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References

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