Modified duobinary regenerative repeater testing arrangement

Details Modified duobinary regenerative repeater testing arrangement Modified duobinary regenerative repeater testing arrangement

1977-04-06

1978-09-05

Olms, Douglas W.

H04B 346, H04B 160

Patent

active

041122631

ABSTRACT:
Modified duobinary regenerative repeaters are tested in situ by means of a pulse pattern generator connected to the repeatered span line, a plurality of audio filters, one at each repeater site, a return transmission path and a measuring device for determining the character of the signal output from a selected repeater.

REFERENCES:
patent: 3062927 (1962-11-01), Hamori
patent: 3083270 (1963-03-01), Mayo
patent: 3842220 (1974-10-01), Arras
patent: 3950622 (1976-04-01), Taylor

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