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公开(公告)号：DE69025726T2
公开(公告)日：1996-09-26
申请号：DE69025726
申请日：1990-12-03
Applicant: IBM
Inventor： JOVE STEPHEN ALAN , KLAASSEN KLAAS BEREND , TRAN LONG
Abstract: A circuit for producing a signal whose magnitude is a chosen amplitude compensation characteristic of the signals produced by a magnetoresistive (MR) element 10 comprising an input stage G1,G2 which produces an amplified output signal which is coupled to the output stage, and control signals I1,I2 proportional to the resistance of the MR element and inversely proportional to the resistance of the MR element which are coupled to a feedforward circuit 20. The feedforward circuit generates a chosen amplitude equalization characteristic of the signals coupled to the feedforward circuit, and this signal is coupled to a bias terminal of the output stage so that the output stage produces a signal representing the chosen amplitude compensation characteristic of the signals produced by the MR element.
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公开(公告)号：DE69025726D1
公开(公告)日：1996-04-11
申请号：DE69025726
申请日：1990-12-03
Applicant: IBM
Inventor： JOVE STEPHEN ALAN , KLAASSEN KLAAS BEREND , TRAN LONG
Abstract: A circuit for producing a signal whose magnitude is a chosen amplitude compensation characteristic of the signals produced by a magnetoresistive (MR) element 10 comprising an input stage G1,G2 which produces an amplified output signal which is coupled to the output stage, and control signals I1,I2 proportional to the resistance of the MR element and inversely proportional to the resistance of the MR element which are coupled to a feedforward circuit 20. The feedforward circuit generates a chosen amplitude equalization characteristic of the signals coupled to the feedforward circuit, and this signal is coupled to a bias terminal of the output stage so that the output stage produces a signal representing the chosen amplitude compensation characteristic of the signals produced by the MR element.
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