A decision feedback equalizer for multiple-head digital magnetic recording
- 9 December 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 815-819
- https://doi.org/10.1109/icc.1991.162472
Abstract
Misalignment of recording head position results in intertrack interference (ITI), which is a primary factor limiting radial density in current magnetic recording systems. An examination is made of the use of multiple read-head recording combined with cross-coupled decision feedback equalization to reduce ITI. The multiple-head array provides much greater tolerance to misalignment than does a single head, and as a result allows a significant increase in radial density.Keywords
This publication has 5 references indexed in Scilit:
- Performance of digital magnetic recording with equalization and offtrack interferenceIEEE Transactions on Magnetics, 1991
- High track density magneto-optical recording using a crosstalk cancelerPublished by SPIE-Intl Soc Optical Eng ,1990
- Simultaneous detection of readback signals from interfering magnetic recording tracks using array headsIEEE Transactions on Magnetics, 1990
- Performance calculations of digital magnetic recording systemsIEEE Transactions on Magnetics, 1984
- Fractional Tap-Spacing Equalizer and Consequences for Clock Recovery in Data ModemsIEEE Transactions on Communications, 1976