An Adjustable Write Equalization on QIC-1350 Tape Drives

Yinyi Lin, Bill Buchan, J. V. Howell

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The write equalization used on QC-1350 tape drives cannot yield desired suppressions or boosts on playback. This is attributed to nonlinear distortions in the recording process, such as inadequate write current (or head field) risetimes and the demagnetization field from the preceding recorded transition. In this paper, the effects of the nonlinear distortions on the write equalization will be discussed. Based upon a transition shift model, an adjustable write equalization is presented to compensate for the nonlinear distortions.

Original languageEnglish
Pages (from-to)4813-4815
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number6
StatePublished - Nov 1991


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