Transversal equalizer

Details Transversal equalizer Transversal equalizer

1986-09-26

1988-07-12

Masinick, Michael A.

Pulse or digital communications

Repeaters

Testing

367 45, 333 28R, H03H 730

Patent

active

047575166

ABSTRACT:
An equalizer is provided with a branching device for branching a digitally modulated signal into two outputs. A series of weighting devices weights one of the outputs of the branching means, and a series of second weighting devices equal to or fewer in number than the first weighting devices weights the remaining output of the branching means. Combining elements equal in number to the first weighting devices combine two or three inputs, and delaying means fewer in number than the combining elements are interconnected with the combining elements in a sequential, alternating manner. The outputs of the first weighting devices are respectively applied to the combining elements while those of the second weighting devices are respectively applied to selected ones of the combining elements. The invention provides a construction where the number of taps of the equalizer may be easily increased without creating the necessity of combining circuits having an increased number of inputs.

REFERENCES:
patent: 3521041 (1970-07-01), Van Blerkom et al.
patent: 4191853 (1980-03-01), Piesinger
patent: 4263671 (1981-04-01), Chiu et al.

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