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Data processing circuit

Image Number 5 for United States Patent #5832039.

To enable a serial data signal to be sampled reliably through a longer time period, the data signal is applied to a data slicer with a dynamically variable slice level. The slice level is dynamically adjusted in dependence upon a feedback of the sliced signal. A track-and-hold circuit, with control feedback from a low pass filter and peak detectors, provides for a design which is tolerant of timing variations. Also disclosed are circuits for reducing the effects of cochannel and other interferences.

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