Biasing of magnetoresistive read head using gyrators

Details Biasing of magnetoresistive read head using gyrators Biasing of magnetoresistive read head using gyrators

G - Physics

11

B

352/29.4

G11B 5/02 (2006.01) G11B 5/027 (2006.01) G11B 5/03 (2006.01) G11B 5/39 (2006.01)

Patent

CA 1127299

BIASING OF MAGNETORESISTIVE READ HEAD USING GYRATORS ABSTRACT An electromagnetic transducer particularly of the magneto-resistive (MR) type is biased by an inductive circuit means and operates within the linear portion of its characteristic curve. The inductive circuit means is interconnected to the output terminals of said transducer. An amplifier means is connected to the output terminals of the transducer and the in- ductive circuit means. The amplifier means is also biased by the inductive circuit means. The biasing scheme is enhanced when a gyrator is used as the inductive circuit means. BO978008

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