Digital partial response filter

Details Digital partial response filter Digital partial response filter

1983-04-11

1985-12-10

Orsino, Jr., Joseph A.

Pulse or digital communications

Repeaters

Testing

364724, H04L 2534, H04L 2549

Patent

active

045584540

ABSTRACT:
A digital partial response filter is disclosed. The digital partial response filter has particular application in an FM subcarrier (SCA) digital data transmission system wherein digital data is frequency modulated on an F.M. subcarrier. The partial response digital filter includes a digital memory wherein digitized samples of the partial response channel response to a representative input digital data symbol are stored and digital adding means for cumulatively summing the digitized samples in groups so as to produce the partial response channel response to an input digital data stream.

REFERENCES:
patent: Re30182 (1979-12-01), Howson
patent: 3388330 (1968-06-01), Kretzmer
patent: 3492578 (1970-01-01), Gerrish et al.
Bennett et al-"On the Characteristics"-IEEE Trans. on Computers C-27, No. 12, Dec. 1978, pp. 1197-2002.

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