Method and apparatus for amplitude compensated write equalizatio

Details Method and apparatus for amplitude compensated write equalizatio Method and apparatus for amplitude compensated write equalizatio

1993-03-26

1994-08-16

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 45, 360 65, G11B 509, G11B 5035

Patent

active

053392027

ABSTRACT:
An adjustable write-equalized recording circuit for recording data onto a magnetic tape. The circuit variably adjusts the amplitude of write-equalization pulses relative to the data waveform by an amount that can be either preset or determined during operation.

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R. C. Schneider, "Write Equalization for Generalized (d,k) Codes," Trans. Mag., IBM Corporation, Nov. 1988.
R. C. Schneider, "Write equalization in high-linear-density magnetic recording," IBM J. Res. Develop., vol. 29(6), pp. 563-568, Nov. 1985.
D. H. Veilard, "Compact Spectrum Recording, a New Binary Process Maximizing the Use of a Recording Channel," IEEE Trans. Magn., vol. MAG-20(5), pp. 891-893, Sep. 1984.
Magnetic Recording Handbook, "Technology and Applications," Mee et al., McGraw-Hill Publishing Company, pp. 872-883 Feb. 1982.

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