| 摘要 |
A digital data detection system, equipped with an interpolation apparatus, for generating decoded data by detecting information stored on a magnetic storage medium by interpolating sampled data using a phase difference signal and an interpolation coefficient is provided. The digital data detection system includes a magnetic storage medium, an analog signal acquisition circuit, a pre-amplifier, an A/D converter, an interpolation circuit, an equalizer filter, a data decoder, and a phase error detector. The interpolation circuitry includes an accumulation block, a filter coefficient generation block, a HOLD signal generation block, and an interpolator. The interpolation circuitry generates interpolated data using a phase error signal and an interpolation coefficient provided from a MCU (Main Control Unit).
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