Pulse slimming in magnetic recording using digital signal processing techniques

An equalisation method for reducing peak shift caused by inter-symbol interference in high density digital magnetic recording is presented. A TMS320C25 Digital Signal Processor has been applied to a low cost digital magnetic recording system. Software is used to slim the signal from the read head to...

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Bibliographic Details
Published in:Microprocessing and microprogramming 1993, Vol.37 (1), p.73-76
Main Authors: Davey, P.J., Donnelly, T., Mapps, D.J.
Format: Article
Language:English
Subjects:
Digital Signal Processing
Magnetic Recording
Pulse Slimming
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Summary:An equalisation method for reducing peak shift caused by inter-symbol interference in high density digital magnetic recording is presented. A TMS320C25 Digital Signal Processor has been applied to a low cost digital magnetic recording system. Software is used to slim the signal from the read head to produce a 30% slimmer pulse width. This is translated into a comparable data rate gain at the same error rate.
ISSN:0165-6074
DOI:10.1016/0165-6074(93)90019-H