Data processing circuit

Details Data processing circuit Data processing circuit

1995-05-03

1998-11-03

Bocure, Tesfaldet

Pulse or digital communications

Receivers

Automatic baseline or threshold adjustment

375355, 327 91, H04L 2506, H04L 2510

Patent

active

058320393

ABSTRACT:
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.

REFERENCES:
patent: 4001604 (1977-01-01), Parks et al.
patent: 4115811 (1978-09-01), Goff
patent: 4751468 (1988-06-01), Agoston
patent: 4873700 (1989-10-01), Wong
patent: 5124576 (1992-06-01), Jensen
"Teletext and Viewdata" Steve A. Money, pp. 19-34.

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