Preamplifier arranged in proximity of disk drive head

Details Preamplifier arranged in proximity of disk drive head Preamplifier arranged in proximity of disk drive head

2005-10-03

2010-11-16

Negrón, Daniell L (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

Reexamination Certificate

active

07835097

ABSTRACT:
A magnetic storage circuit comprises a preamplifier writer that selectively generates a write current that has a boost stage and a settling stage. An impedance changing circuit communicates with the preamplifier writer and provides a lower resistance value during the boost stage and a higher resistance value during the settling stage.

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