Radio frequency power divider networks having MoCA bypass circuits and related methods
First Claim
1. A directional coupler having a Multimedia Over Coax Alliance (“
- MoCA”
) bypass path, comprising;
a housing having an input port, a first output port and a second output port;
a first impedance transformer that has a first winding coupled in series between the input port and a first node and a second winding that is positioned to couple with the first winding, the second winding coupled in series between a reference voltage and the first node;
a second impedance transformer that has a third winding coupled in series between the first node and a second node and a fourth winding that is positioned to couple with the third winding, the fourth winding coupled in series between the first node and a third node;
a resistance having a first end coupled to the third node and a second end coupled to a fourth node;
a first inductor in series between the third winding and the second node;
a second inductor in series between the fourth winding and the third node;
a third inductor and a first capacitor that are disposed in parallel between the second node and the fourth node,wherein the first output port is coupled to the second node opposite the first inductor and the second output port is coupled to the third node opposite the second inductor; and
wherein the resistance has a value that is approximately twice the value of a desired impedance of the first output port.
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Accused Products
Abstract
Power divider networks are provided that have Multimedia Over Coax Alliance (“MoCA”) bypass paths. These power divider networks may include a housing having an input port and first and second output ports; a first impedance transformer that has a first winding coupled in series between the input port and a first node, a second winding coupled in series between a reference voltage and the first node; a second impedance transformer that has a third winding coupled in series between the first node and the first output port, a fourth winding coupled in series between the first node and the second output port; a resistance having a first end coupled to the first output port and a second end coupled to the second output port; a first inductor in series between the third winding and the first output port; a second inductor in series between the fourth winding and the second output port; and a third inductor and a first capacitor that are disposed in parallel between the first output port and the first end of the first resistance.
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Citations
15 Claims
-
1. A directional coupler having a Multimedia Over Coax Alliance (“
- MoCA”
) bypass path, comprising;a housing having an input port, a first output port and a second output port; a first impedance transformer that has a first winding coupled in series between the input port and a first node and a second winding that is positioned to couple with the first winding, the second winding coupled in series between a reference voltage and the first node; a second impedance transformer that has a third winding coupled in series between the first node and a second node and a fourth winding that is positioned to couple with the third winding, the fourth winding coupled in series between the first node and a third node; a resistance having a first end coupled to the third node and a second end coupled to a fourth node; a first inductor in series between the third winding and the second node; a second inductor in series between the fourth winding and the third node; a third inductor and a first capacitor that are disposed in parallel between the second node and the fourth node, wherein the first output port is coupled to the second node opposite the first inductor and the second output port is coupled to the third node opposite the second inductor; and wherein the resistance has a value that is approximately twice the value of a desired impedance of the first output port. - View Dependent Claims (2, 3, 4)
- MoCA”
-
5. A radio frequency (“
- RF”
) power divider network, comprising;a first directional coupler having a first RF input port, a first signal splitting circuit, first and second RF output ports, a first inductor coupled in series between a first output of the first signal splitting circuit and the first RF output port and a second inductor coupled in series between a second output of the first signal splitting circuit and the second RF output Port; a second directional coupler having a second RF input port that is coupled to the first RF output port, a second signal splitting circuit, third and fourth RF output ports, a third inductor coupled in series between a first output of the second signal splitting circuit and the third RF output port and a fourth inductor coupled in series between a second output of the second signal splitting circuit and the fourth RF output port; and a third directional coupler having a third RF input port that is coupled to the second RF output port, a third signal splitting circuit, fifth and sixth RF output ports, a fifth inductor coupled in series between a first output of the third signal splitting circuit and the fifth RF output port and a sixth inductor coupled in series between a second output of the third signal splitting circuit and the sixth RF output port; wherein the first directional coupler is different from the second directional coupler and the third directional coupler in that at least one component of the first directional coupler is different as being present, absent or of a different value compared to the components of the second directional coupler and the third directional coupler, and wherein the first directional coupler further includes a first resistor that has a first end and a second end that is coupled to the second RF output port, and a first capacitor and a seventh inductor that are coupled in parallel between the first RF output port and the first end of the first resistor. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
- RF”
-
13. A radio frequency (“
- RF”
) power divider network, comprising;a first directional coupler having a first RF input port, a first signal splitting circuit, first and second RF output ports and a first MoCA bypass circuit that is configured to pass signals in a MoCA frequency band between the first RF output port and the second RF output port; a second directional coupler having a second RF input port that is coupled to the first RF output port, a second signal splitting circuit, third and fourth RF output ports and a second MoCA bypass circuit that is configured to pass signals in the MoCA frequency band between the third RF output port and the fourth RF output port a third directional coupler having a third RF input port that is coupled to the second RF output port, a third signal splitting circuit, fifth and sixth RF output ports and a third MoCA bypass circuit that is configured to pass signals in the MoCA frequency band between the fifth RF output port and the sixth RF output port, wherein the first MoCA bypass circuit is different from the second MoCA bypass circuit and the third MoCA bypass circuit, and wherein the first MoCA bypass circuit includes at least one inductor and at least one capacitor that are not included in the second MoCA bypass circuit or the third MoCA bypass circuit. - View Dependent Claims (15)
- RF”
-
14. A radio frequency (“
- RF”
) power divider network, comprising;a first directional coupler having a first RF input port, a first signal splitting circuit, first and second RF output ports and a first MoCA bypass circuit that is configured to pass signals in a MoCA frequency band between the first RF output port and the second RF output port; a second directional coupler having a second RF input port that is coupled to the first RF output port, a second signal splitting circuit, third and fourth RF output ports and a second MoCA bypass circuit that is configured to pass signals in the MoCA frequency band between the third RF output port and the fourth RF output port a third directional coupler having a third RF input port that is coupled to the second RF output port, a third signal splitting circuit, fifth and sixth RF output ports and a third MoCA bypass circuit that is configured to pass signals in the MoCA frequency band between the fifth RF output port and the sixth RF output port, wherein the first MoCA bypass circuit is different from the second MoCA bypass circuit and the third MoCA bypass circuit in that at least one component of the first MoCA bypass circuit is different as being present, absent or of a different value compared to the components of the second MoCA bypass circuit and the third MoCA bypass circuit, and wherein at least some of the circuit elements in the second MoCA bypass circuit are configured to reduce the maximum signal loss in the first MoCA bypass circuit.
- RF”
Specification