| 摘要 |
The present invention provides a disk storage system with a low error rate, which is suitable for reduction in size. The other end of the signal line, which is connected with a read head at one end, is connected with a head bias circuit to apply a sense current to the read head and a pair of first and second capacitance elements for allowing the read signal element formed by the read head to pass, a loop is provided for amplifying the read signal obtained through the first and second capacitance elements by supplying the read signal to an input terminal of a differential amplifying circuit and for converting the amplified signal into the current by transconductance and providing a positive feedback of the amplified signal to the input terminal of the differential amplifying circuit.
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