System for efficiently powering repeaters in small diameter cabl

Details System for efficiently powering repeaters in small diameter cabl System for efficiently powering repeaters in small diameter cabl

1993-05-03

1995-05-02

Dwyer, James L.

Telephonic communications

Repeater

379348, 379340, 379399, 379398, 379413, 174 70S, H04B 344

Patent

active

054127165

ABSTRACT:
A system of impedance matching is provided to match the total impedance of the cable system to the total impedance of the powered elements such as the repeaters. The source impedance of the power supplies may be considered as part of the cable impedance. By matching impedances, the source voltage for driving the electronics is advantageously minimized.

REFERENCES:
patent: 2079689 (1933-01-01), Gorton
patent: 2846509 (1956-12-01), Dubuar
patent: 3535472 (1967-07-01), Babbitt
patent: 3644787 (1972-02-01), Hamilton
patent: 3676613 (1972-07-01), Brewer
patent: 3816673 (1974-06-01), Miya
patent: 3835334 (1974-09-01), Notteau
patent: 3868484 (1975-02-01), Bolton et al.
patent: 3903378 (1975-09-01), Lee et al.
patent: 4136267 (1979-01-01), Foster et al.

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