Circuit for broadband video transmission over unshielded twisted

Details Circuit for broadband video transmission over unshielded twisted Circuit for broadband video transmission over unshielded twisted

1994-06-29

1995-05-30

Gensler, Paul

Wave transmission lines and networks

Transmission line inductive or radiation interference...

333 25, H03H 742

Patent

active

054205514

ABSTRACT:
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.

REFERENCES:
patent: 3731237 (1973-05-01), Beurrier
patent: 4766402 (1988-08-01), Crane
patent: 4885747 (1989-12-01), Foglia
patent: 5010399 (1991-04-01), Goodman et al.
patent: 5077543 (1991-12-01), Carlile
patent: 5283789 (1994-02-01), Gunnarsson et al.
patent: 5363068 (1994-11-01), Georger
Systimax.RTM.Premises Distribution System Components Guide, AT&T Doc. No. 3726C (Dec. 1990), pp. 3-10.

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