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Title: Effective parameters for ferrite-core RFID tag antennas
Authors: Santana-Abril, J.
Elejalde, Y.
Monzón-Verona, J. M. 
Sosa González, Carlos Javier 
Montiel-Nelson, Juan A. 
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: Antena Tag
Effective Parameters
Fem Analysis
Ferrite Core-Based Coil
Finite-Element Methods, et al
Issue Date: 2018
Publisher: Institute of Electrical and Electronics Engineers (IEEE) 
Project: SURF (TEC2014-60527-C2-1-R)
Conference: 61st IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2018 
Abstract: In this paper we obtain the effective geometrical parameters of a ferrite-core based antenna to model its equivalent electrical circuit for computing the self-inductance, power losses, including the hysteresis effects. The ferrite coil is the receiver antenna of a low frequency RFID tag (134.2 kHz). Non-linear effects are modeled by adjusting the hysteresis angle and effective radius of the ferrite core-based coil. In addition, we modeled the coupled equivalent circuit of the RFID system and computed the mutual inductance at different Z-axis values. Numerical analysis using FEM in 2D is used. These models have been validated with experimental measurements of S11 scattering parameter and induced current, respectively.
ISBN: 978-1-5386-7392-8
DOI: 10.1109/MWSCAS.2018.8623854
Source: 61st International Midwest Symposium on Circuits and Systems (MWSCAS), Windsor, ON, Canada, 2018, pp. 1020-1023
Appears in Collections:Actas de congresos
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