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http://hdl.handle.net/10071/7682
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Title: Equalization in hard disk drive read channels
Authors: Garrido, Nuno
Cercas, Francísco
Keywords: MDFE
PRML
Equalization
Hard disk drives
Forward equalizer
Issue Date: 7-May-2014
Publisher: IEEE
Abstract: This paper presents a comprehensive non-exhaustive comparative study of hard disk drive read-channel equalization techniques used in the readback process of magnetically stored information. The main read channel architectures: partial-response maximum likelihood (PRML) and decision feedback equalization (DFE) based systems, are compared in power consumption, layout area, data signalling rate and data density. This work focuses on the key component of the read channel, presenting a continuous-time analog solution for the pulse-slimming equalizer capable of reducing power consumption and die area by a factor of ten, whilst showing equivalent response to a FIR filter implementation.
Peer reviewed: Sim
URI: http://hdl.handle.net/10071/7682
Publisher version: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6845145&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6845145
Appears in Collections:CTI-AC - Atas de congresso/Proceedings (organização, edição literária, ...)

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