Wave transmission lines and networks – Dissipating terminations for long lines – Fluid-cooling
Patent
1987-10-30
1989-04-18
Gensler, Paul
Wave transmission lines and networks
Dissipating terminations for long lines
Fluid-cooling
333 27, H03H 700, H03H 738
Patent
active
048230952
ABSTRACT:
An improved dual media transceiver for terminating an electrical transmission line wherein the transmission line may be a coaxial cable or a shielded twisted pair line. A length of shielded twisted pair line is provided for interconnection. A connector for receiving the transmission line is also provided, adapted to connect the twisted pair wires of the transmission line to a first end of the twisted pair wires of the interconnection line when the transmission line is twisted pair line, and, when the transmission line is coaxial cable, adapted to connect a center conductor of the transmission line to one of the twisted pair wires, at the first end, and the shield of the transmission line to the shield of the interconnection line at the first end. A center tap termination network is connected to the second end of the interconnection line, having a center tap port connected to the shield of the line. The twisted pair wires of the line are connected to the non-center tap ports of the termination network. The network has electrical elements selected and arranged so as to provide a balanced or unbalanced impedance, as the case may be, at substantially the matching value, to the interconnection line whether the transmission line is coaxial or twisted pair wires.
REFERENCES:
patent: 2034026 (1936-03-01), Curtis et al.
patent: 2135037 (1938-11-01), Landon
patent: 2268664 (1942-01-01), Landon
Atallah Francois I.
Bond Paul W.
Frey Denise E.
Gensler Paul
International Business Machines - Corporation
Moore J. Dennis
Troike Robert L.
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