Broadband radio frequency data communication system using twisted pair wiring
View Patent ↗A system for distributing broadband signals via twisted pair wiring is disclosed. Various aspects of the system involve use of a broadband signal distribution interface device and/or a broadband line driver. In one aspect, a broadband signal distribution interface device includes a broadband signal interface configured to receive broadband radio frequency signals, and a plurality of broadband signal connections configured to distribute broadband radio frequency signals. The interface device also includes circuitry defining an upstream signal path and a downstream signal path and including a gain control circuit and a slope control circuit each positioned along the downstream signal path. The circuitry is configured to accommodate downstream transmission of the broadband signals onto twisted pair wiring.
1. A broadband signal distribution interface device comprising:
(a) a broadband signal interface configured to receive broadband radio frequency signals;
(b) a plurality of twisted pair signal connections configured to distribute broadband radio frequency signals; and
(c) circuitry defining an upstream signal path and a downstream signal path between the broadband signal interface and the plurality of twisted pair signal connections, the upstream signal path defining a first frequency range and the downstream signal path defining a second frequency range different from the first frequency range, the circuitry including a gain control circuit positioned along the downstream path and a slope control circuit positioned along the downstream path.
2. The broadband signal distribution interface device of claim 1 , further comprising a low band indicator and a high band indicator providing a visual indication of a power level of a received downstream signal prior to amplification.
3. The broadband signal distribution interface device of claim 1 , wherein the circuitry is configured to accommodate downstream transmission of the broadband signals onto the plurality of twisted pair signal connections.
4. The broadband signal distribution interface device of claim 1 , further comprising a pilot tone generator communicatively connected to the downstream signal path.
5. The broadband signal distribution interface device of claim 1 , wherein the broadband signal interface is a coaxial cable interface.
6. The broadband signal distribution interface device of claim 1 , wherein the broadband radio frequency signals comprise CATV signals in the range of 5 to 862 MHz.
7. The broadband signal distribution interface device of claim 1 , wherein the plurality of twisted pair signal connections includes an RJ-45 jack.
8. A broadband signal distribution interface device comprising:
(a) a broadband signal interface configured to receive broadband radio frequency signals;
(b) a plurality of twisted pair signal connections configured to distribute broadband radio frequency signals;
(c) circuitry defining an upstream signal path and a downstream signal path between the broadband signal interface and the plurality of twisted pair signal connections, the upstream signal path defining a first frequency range and the downstream signal path defining a second frequency range different from the first frequency range, the circuitry including a gain control circuit positioned along the downstream path;
(d) a pilot tone generator communicatively connected to the downstream signal path; and
(e) an amplifier located on the downstream signal path upstream of the pilot tone generator.
9. The broadband signal distribution interface device of claim 8 , further comprising a feedback path electrically connected between a location downstream of the amplifier and a splitter leading to high and low frequency signal sensors.
10. The broadband signal distribution interface device of claim 8 , wherein the broadband signal distribution interface device comprises a broadband line driver.
11. The broadband signal distribution interface device of claim 10 , wherein the broadband line driver is communicatively connected to a remote balun.
12. The broadband signal distribution interface device of claim 10 , wherein the broadband line driver includes a repeater portion and a twisted pair distribution portion.
13. The broadband signal distribution interface device of claim 12 , wherein the repeater portion includes a high pass filter and a low pass filter.