Referenced magnetoresistives sensor band pass preamplifier

Details Referenced magnetoresistives sensor band pass preamplifier Referenced magnetoresistives sensor band pass preamplifier

1998-02-13

2000-08-29

Kim, W. Chris

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

G11B 502

Patent

active

061117161

ABSTRACT:
A magnetoresistive sensor and preamplifier system for sensing magnetization patterns in a magnetic disk based digital data storage and retrieval memory with a grounded magnetoresistive sensor The signals from the magnetoresistive sensor are coupled by a coupling capacitor to a grounded differential amplifier. The structure of the coupling capacitor in a monolithic integrated circuit determines the passband for the system in passing the magnetoresistive sensor signals.

REFERENCES:
"Read/Write Amplifier Design Considerations for MR Heads" by Klassen et al., 1995 IEEE.

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