Symmetrical resistive transducer biasing circuit and method

Dynamic magnetic information storage or retrieval – General recording or reproducing – Specifics of biasing or erasing

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360 46, 360 67, G11B 509, G11B 503, G11B 502

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active

057012130

ABSTRACT:
An innovative disk drive system which provides a regulated bias current to a magnetoresistive read head, and controls the voltage of the magnetoresistive read head terminals so that the CENTER of the resistor is at ground. This halves the peak magnitude of the head-to-disk voltage.

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