Advanced Interconnect Design for High Data Rate Perpendicular Magnetic Recording

Advanced Interconnect Design for High Data Rate Perpendicular Magnetic Recording

For present write channel current waveforms, a bandwidth efficiency of 1/2 bps/Hz is shown to be achievable which is 1/4 that of the read channel bandwidth efficiency. Further, with an improved write channel current waveform, the writer bandwidth requirement can be reduced by 1/2 to enable a bandwid...

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Veröffentlicht in:IEEE transactions on magnetics 2008-01, Vol.44 (1), p.175-180
Hauptverfasser: Huber, W.D., Tipton, W.C., Hwang, L.C.
Format: Artikel
Sprache:eng
Schlagworte:
Band limited signals
Bandwidth
Channels
Cross-disciplinary physics: materials science
rheology
Delay
Disk drives
Exact sciences and technology
Fourier transforms
Integrated circuit interconnections
Land mobile radio
Magnetic recording
Magnetism
Materials science
Other topics in materials science
Perpendicular magnetic recording
Physics
pulse analysis
Pulse circuits
Signal analysis
Waveforms
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Beschreibung
Zusammenfassung:For present write channel current waveforms, a bandwidth efficiency of 1/2 bps/Hz is shown to be achievable which is 1/4 that of the read channel bandwidth efficiency. Further, with an improved write channel current waveform, the writer bandwidth requirement can be reduced by 1/2 to enable a bandwidth efficiency of 1 bps/Hz.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2007.912841