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Proceedings Paper

Convergence times of timing recovery schemes for magneto-resistive magnetic-recording channels
Author(s): Gregory L. Silvus; Bhagavatula Vijaya Kumar
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Paper Abstract

Before detecting signals from magnetic storage devices, we must derive a clock signal via a timing-recovery technique. We concentrate on decision-directed timing-recovery schemes that operate at baud rate. While magnetic recording readback signals suffer from intersymbol interference and noise, this study also considers possibly asymmetric pulse shapes caused by magneto-resistive readback heads. We show performance results based on baud-rate sampling and introduce new techniques to combat pulse asymmetry.

Paper Details

Date Published: 15 January 1996
PDF: 10 pages
Proc. SPIE 2604, High-Density Data Recording and Retrieval Technologies, (15 January 1996); doi: 10.1117/12.230062
Show Author Affiliations
Gregory L. Silvus, Carnegie Mellon Univ. (United States)
Bhagavatula Vijaya Kumar, Carnegie Mellon Univ. (United States)

Published in SPIE Proceedings Vol. 2604:
High-Density Data Recording and Retrieval Technologies
Ted A. Schwarz; Martin Francis, Editor(s)

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