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A general solution of write equalization for digital magnetic tape recording

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2 Author(s)
H. W. Wong-Lam ; Philips Res. Lab., Eindhoven, Netherlands ; H. Hollmann

A general solution of digital recursive filters which produce two-level output is given. To give a rough idea of the performance of write equalizers, a high-density recording channel corrupted by additive noise is appraised, and the signal-to-noise ratio with and without a write equalizer is compared. Calculations show that a small gain can be expected in using some of the write equalizers. The linearity of the channel was tested using some of the write equalizers.

Published in:

IEEE Transactions on Magnetics  (Volume:27 ,  Issue: 5 )