Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/90749
Title: Compensation of MR head non-linearities using a saturable transfer function
Authors: Lin, Maria Yu
Foo, Say Wei
Mathew, George
Ye, Weichun
Bergmans, J. W. M.
Issue Date: 2000
Source: Lin, M. Y., Foo, S. W., Mathew, G., Bergmans, J. W. M., & Ye, W. (2000). Compensation of MR head non-linearities using a saturable transfer function. IEEE Transactions on Magnetics, (36)5, 2490-2492.
Series/Report no.: IEEE transactions on magnetics
Abstract: It is well known that the nonlinear behavior of Magneto-Resistive (MR) heads result in the isolated pulses having asymmetry and saturation. These nonlinear effects can be quantified by measuring the positive and negative isolated pulses. In this paper, we propose a saturable model for estimating the MR nonlinearity from read-back signals. It models the nonlinearity using bias and saturation parameters. The proposed model can be used to compensate the nonlinearity in the read-back signal, thus providing a way to linearize the channel. Simulations done using measured data demonstrate the effectiveness of the proposed model.
URI: https://hdl.handle.net/10356/90749
http://hdl.handle.net/10220/4578
ISSN: 0018-9464
DOI: 10.1109/20.908338
Schools: School of Electrical and Electronic Engineering 
Rights: © 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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