Waveform equalizer

Details Waveform equalizer Waveform equalizer

1994-06-29

1996-11-26

Chin, Stephen

Pulse or digital communications

Equalizers

Automatic

3647242, H03H 730, H03H 740, H03K 5159

Patent

active

055793401

ABSTRACT:
A waveform equalizer includes: a data signal input terminal for receiving an input data signal which is the object of waveform equalization; a plurality of S/H circuits each connected to the data signal input terminal; a sampling control circuit for repeatedly bringing the plurality of S/H circuits, one by one, to a sampling operation state; a selection circuit for selecting outputs of a predetermined number of S/H circuits which are in a hold operation state, respectively, from among the plurality of S/H circuits; a weighting circuit for weighting the outputs of the predetermined number of S/H circuits selected by the selection circuit; and an addition circuit for effecting an addition of outputs of the weighting circuit, thereby obtaining a waveform-equalized data signal from an output end of the addition circuit. By the constitution, it is possible to carry out a waveform equalization with high precision, and to realize a high speed of operation and a reduction in the scale of circuit.

REFERENCES:
patent: 5414732 (1995-05-01), Kaufmann

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