Synchronization-free dibit response extraction from PRBS waveforms

The authors introduce two different dibit extraction techniques that are simple to use, and more importantly they require no timing synchronization of the readback waveform with the written data sequence. They illustrate the use of these techniques using perpendicular recording readback signals corr...

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Veröffentlicht in:	IEEE transactions on magnetics 2003-09, Vol.39 (5), p.2225-2227
Hauptverfasser:	Ozgunes, I., Eppler, W.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Autocorrelation Binary sequences Data mining Distortion measurement Electronics Exact sciences and technology Fourier transforms Magnetic devices Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.) domain-motion devices, etc Magnetism Nonlinear distortion Perpendicular magnetic recording Sampling methods Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Timing
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Beschreibung
Zusammenfassung:	The authors introduce two different dibit extraction techniques that are simple to use, and more importantly they require no timing synchronization of the readback waveform with the written data sequence. They illustrate the use of these techniques using perpendicular recording readback signals corresponding to pseudorandom binary sequences (PRBS). As with other dibit extraction techniques, the nonlinearities in the signals show up as echoes around the main dibit.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2003.815436