Radio frequency signal splitter
First Claim
1. An electronic signal splitter device comprising:
- a signal transmission path configured to conduct signals between a first output port and a second output port; and
a coupled transmission line element connected to the signal transmission path,wherein the coupled transmission line element comprises a first electrically conductive wire and a second electrically conductive wire configured to be electrostatically coupled to the first electrically conductive wire so as to reduce isolation on the signal transmission path for the signals conducted between the first output port and the second output port.
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Abstract
Disclosed is a signal splitter that includes a coupled transmission line element coupled between two output ports of the signal splitter. The coupled transmission line element is used to lower the isolation between the two output ports for a particular frequency band. The coupled transmission line element includes a first and a second elongate electrical conductor. The first and the second elongate electrical conductor first ends are coupled to the signal transmission path that connects the two output ports. The first and the second elongate electrical conductor second ends are un-terminated. The first elongate electrical conductor and the second elongate electrical conductor are not shorted together, and the first elongate electrical conductor and the second elongate electrical conductor are electrostatically coupled, such as by twisting them together into a helix.
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Citations
24 Claims
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1. An electronic signal splitter device comprising:
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a signal transmission path configured to conduct signals between a first output port and a second output port; and a coupled transmission line element connected to the signal transmission path, wherein the coupled transmission line element comprises a first electrically conductive wire and a second electrically conductive wire configured to be electrostatically coupled to the first electrically conductive wire so as to reduce isolation on the signal transmission path for the signals conducted between the first output port and the second output port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A signal splitter comprising:
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an input port; a first output port; a second output port; a signal transmission path, wherein the signal transmission path conducts signals between the first output port and the second output port; and a coupled transmission line element coupled to the signal transmission path, wherein the coupled transmission line element comprises a first electrical conductor and a second electrical conductor, wherein the first electrical conductor and the second electrical conductor are electrostatically coupled, wherein the coupled transmission line element further comprises a third electrical conductor, and wherein the third electrical conductor is electrostatically coupled to both the first and the second electrical conductors. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method of modifying the isolation between output ports of a signal splitter, the method comprising:
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coupling a first end of a first electrically conductive wire to an in-home entertainment signal transmission path of the signal splitter, wherein the in-home entertainment signal transmission path conducts in-home entertainment signals between a first output port of the signal splitter and a second output port of the signal splitter; coupling a first end of a second electrically conductive wire to the in-home entertainment signal transmission path of the signal splitter; and electrostatically coupling the first electrically conductive wire and the second electrically conductive wire, wherein electrostatically coupling the first electrically conductive wire and the second electrically conductive wire reduces isolation on the in-home entertainment signal transmission path for the in-home entertainment signals conducted between the first output port of the signal splitter and the second output port of the signal splitter. - View Dependent Claims (18, 19, 20, 21)
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22. A signal splitter comprising:
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an input port; a first output port; a second output port; a signal transmission path, wherein the signal transmission path conducts signals between the first output port and the second output port, and wherein the signal transmission path includes a resistor, a first inductor positioned between the first output port and the resistor, and a second inductor positioned between the second output port and the resistor; and a coupled transmission line element coupled to the signal transmission path, wherein the coupled transmission line element comprises a first electrical conductor and a second electrical conductor, wherein the first electrical conductor and the second electrical conductor are electrostatically coupled, and wherein a first end of the first electrical conductor is coupled to a node between the first inductor and the first output port and a first end of the second electrical conductor is coupled to a node between the second inductor and the second output port. - View Dependent Claims (23, 24)
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Specification