Method and apparatus for providing matched differential MR...

Details Method and apparatus for providing matched differential MR... Method and apparatus for providing matched differential MR...

2005-01-25

2005-01-25

Faber, Alan T. (Department: 2651)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

C360S066000, C360S067000, C360S065000

Reexamination Certificate

active

06847501

ABSTRACT:
A method and apparatus for providing matched differential MR biasing and pre-amplification. Tightly matched and well centered low-level MR bias voltage is provided directly to the sensing element for controlled input-impedance differential pre-amplification without common-mode voltage level control with loops.

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