Disk memory device and disk read-out signal processor

Abstract

A disk memory device comprises a head which reads a read-out signal from a disk, an amplifier which amplifies an analog signal waveform of the read-out signal read from the head, a filter which decreases a noise of the read-out signal output from the amplifier, an A/D converter which converts the read-out signal of which noise is decreased by the filter into a digital signal including a waveform distortion component, and a neural network type signal processing circuit which detects a binarized data from the digital signal.

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