H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/10 (2006.01) H03H 7/38 (2006.01) H03H 7/42 (2006.01) H04B 3/00 (2006.01)
Patent
CA 2147908
Disclosed is a circuit which permits transmission of broadband analog CATV video signals on unshielded twisted wire pairs. The circuit includes an autotransformer with a ground connection coupled to the node between two secondary windings. The two opposite ends of the secondary windings are coupled to a choke, which, in turn, is coupled to an isolation transformer with a center-tapped primary and secondary winding for shunting any remaining common-mode currents.
Circuit permettant de transmettre par câble des signaux vidéo analogiques à large bande en utilisant des paires torsadées non blindées. Ce circuit comporte un autotransformateur équipé d'une prise de terre reliée au noeud compris entre deux enroulements secondaires. Les deux extrémités opposées des enroulements secondaires sont reliées à une bobine, qui est elle-même rattachée à un transformateur d'isolation présentant un enroulement primaire et secondaire à prise médiane conçue pour shunter tout courant de mode commun restant.
Conte Robert Alfred
Georger William Hugo
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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