Dynamic magnetic information storage or retrieval – General processing of a digital signal – Head amplifier circuit
Patent
1995-02-08
2000-09-26
Loomis, Paul
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Head amplifier circuit
G11B 509
Patent
active
061249920
ABSTRACT:
A read channel is described for use in a storage device including a storage medium for storing data, an interactive element for reading information from and writing information on the storage medium and a processor for performing control functions in the storage device. The read channel comprises a set of electronic components for receiving and processing information read by the interactive element from the storage medium. Each component of the set of electronic components includes an output and is coupled in a predetermined arrangement to other components of the set of electronic components. A data capture circuit includes an input circuit and an output circuit with the input circuit being coupled to the output of each component of the set of electronic components, and the output circuit being coupled to the input circuit to capture a signal from a preselected one of the outputs coupled to the input circuit. The output circuit is adoptable to transfer the acquired signal to the processor.
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"Implementation of PRML in a Rigid Disk Drive", by J.D. Coker, R.L. Galbraith, G.J. Kerwin, J.W. Rae, P.A. Ziperovich, IEEE Transactions on Magnetic, vol. 27, No. 6, Nov. 1991. pp. 4538-4543.
Loomis Paul
Neal Regina Y.
Seagate Technology LLC
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