Electrical connector with improved compensation
View Patent ↗An electrical connector including an array of conductors having at least one differential pair of conductors that extends between a mating end and a loading end of a housing. The conductors are configured to engage a selected mating contact of a mating connector at a mating interface. The electrical connector also includes a plurality of traces that extend between the mating and loading ends. Each trace is electrically connected to a corresponding conductor proximate to the mating end and/or the loading end. Also, the electrical connector includes a first interconnection, path formed by the conductors that extends from the mating interface to the loading end and a second interconnection path formed by the traces that extends from the mating interface to the loading end. The differential pair transmits current that is split, between the first and second interconnection paths where at least one interconnection path provides compensation.
1. An electrical connector configured to engage a mating connector having mating contacts and transmit a signal therebetween, the electrical connector comprising:
a housing having a mating end and a loading end;
an array of conductors comprising at least one differential pair of conductors extending between the mating end and the loading end within the housing and being configured to engage a selected mating contact at a mating interface, each conductor configured to transmit a signal current;
a plurality of traces extending between the mating end and the loading end, the traces being electrically connected to corresponding conductors proximate to at least one of the mating end and the loading end;
a first interconnection path formed by the conductors extending from the mating interface to the loading end; and
a second interconnection path formed by the traces extending from the mating interface to the loading end;
wherein the signal current transmitting through at least one conductor of the at least one differential pair is split between the first and second interconnection paths and wherein at least one of the first and second interconnection paths is configured to provide compensation;
wherein the second interconnection path includes a plurality of secondary interconnection paths, the signal current transmitted through the second interconnection path being further split by the plurality of secondary interconnection paths and transmitting therethrough.
2. The electrical connector in accordance with claim 1 wherein the signal current is split asymmetrically between the first interconnection path and the second interconnection path.
3. The electrical connector in accordance with claim 1 wherein the conductors are configured to provide only one NEXT compensation stage along the first interconnection path.
4. The electrical connector in accordance with claim 1 wherein the traces are configured to provide a plurality of NEXT compensation stages along the second interconnection path where the NEXT compensation stages do not reverse in polarity.
5. The electrical connector in accordance with claim 1 further comprising:
a circuit board having the plurality of traces therein, the traces including at least one contact trace; and
a connecting member electrically connected to the at least one contact trace and extending from the circuit board, the connecting member electrically connecting the contact trace to a corresponding conductor.
6. The electrical connector in accordance with claim 1 wherein the plurality of traces includes open-ended traces and contact traces and the at least one differential pair includes a first differential pair and a second differential pair, wherein the conductors of the first differential pair are electrically connected to open-ended traces and the conductors of the second differential pair are electrically coupled to contact traces.
7. The electrical connector in accordance with claim 1 wherein the plurality of traces include an open-ended trace and a contact trace, the open-ended and contact traces being positioned adjacent to each other to provide compensation.
8. The electrical connector in accordance with claim 7 further comprising a non-ohmic plate electromagnetically coupling the contact trace to the open-ended trace.
9. The electrical connector in accordance with claim 1 wherein the second interconnection path has a higher impedance than the first interconnection path.
10. The electrical connector in accordance with claim 1 wherein the first interconnection path does not split into a plurality of secondary interconnection paths thereby generating effectively different time delays for the first and second interconnection paths relative to each other.
11. The electrical connector in accordance with claim 1 wherein the secondary interconnection paths are reunited before the first and second interconnection paths are reunited.
12. An electrical connector configured to engage a mating connector having mating contacts and transmit a signal therebetween, the electrical connector comprising:
a housing having a mating end and a loading end;
an array of conductors comprising at least one differential pair of conductors extending between the mating end and the loading end within the housing, the conductors being configured to engage a selected mating contact at a mating interface and to transmit a signal current; and
a circuit board assembly comprising:
a circuit board disposed within the housing between the mating end and the loading end;
a plurality of traces extending along the circuit board and including a signal trace that is electrically connected to a corresponding conductor proximate to the mating end; and
a connecting member extending from the circuit board, the connecting member electrically connecting the signal trace to the corresponding conductor at a node proximate to the loading end, wherein a first current portion transmits through the corresponding conductor between the node and a corresponding mating interface and wherein a second current portion transmits through the signal trace and the connecting member between the node and the corresponding mating interface, the first and second current portions being joined at the node.
13. The electrical connector in accordance with claim 12 wherein the connecting member is embedded within the circuit board or bonded to the circuit board and extends therefrom.
14. The electrical connector in accordance with claim 12 wherein the connecting member includes member traces encased by a flexible material.
15. The electrical connector in accordance with claim 12 wherein the circuit board is a first circuit board and the electrical connector further comprises a second circuit board, the conductors being electrically connected to the second circuit board proximate to the loading end.
16. The electrical connector in accordance with claim 15 wherein the trace and the corresponding conductor are electrically connected to each other through the connecting member before the corresponding conductor is electrically connected to the second circuit board.
17. The electrical connector in accordance with claim 15 wherein the trace and the corresponding conductor are electrically connected to each other within the second circuit board through the connecting member.
18. The electrical connector in accordance with claim 15 wherein the second circuit board is oriented substantially perpendicular to the first circuit board.
19. An electrical connector configured to engage a mating connector having mating contacts and transmit a signal therebetween, the electrical connector comprising:
a housing having a mating end and a loading end;
an array of conductors comprising at least one differential pair of conductors extending between the mating end and the loading end within the housing, the conductors being configured to engage a selected mating contact at a mating interface and to transmit a signal current; and
a circuit board assembly comprising:
a circuit board disposed within the housing between the mating end and the loading end;
a plurality of traces extending along the circuit board, at least one trace being electrically connected to a corresponding conductor proximate to the mating end; and
a connecting member extending from the circuit board, the connecting member electrically connecting the at least one trace to the corresponding conductor proximate to the loading end;
wherein the conductors form a first interconnection path that extends from the mating interface to the loading end and the traces form a second interconnection path that extends from the mating interface to the loading end, wherein the signal current transmitting through at least one conductor of the at least one differential pair is split between the first and second interconnection paths.
20. The electrical connector in accordance with claim 19 wherein the first and second interconnection paths are configured to provide compensation.
21. The electrical connector in accordance with claim 19 wherein the signal current is split asymmetrically between the first interconnection path and the second interconnection path.
22. The electrical connector in accordance with claim 19 wherein the plurality of traces includes open-ended traces and contact traces and the at least one differential pair includes a first differential pair and a second differential pair, wherein the conductors of the first differential pair are electrically connected to open-ended traces and the conductors of the second differential pair are electrically coupled to contact traces.
23. An electrical connector configured to engage a mating connector having mating contacts and transmit a signal therebetween, the electrical connector comprising:
a housing having a mating end and a loading end;
an array of conductors comprising at least one differential pair of conductors extending between the mating end and the loading end within the housing, the conductors being configured to engage a selected mating contact at a mating interface and to transmit a signal current; and
a circuit board assembly comprising:
a circuit board disposed within the housing between the mating end and the loading end;
a plurality of traces extending along the circuit board, at least one trace being electrically connected to a corresponding conductor proximate to the mating end; and
a connecting member extending from the circuit board, the connecting member electrically connecting the at least one trace to the corresponding conductor(s) proximate to the loading end, wherein the connecting member includes at least one mating end portion and at least one board end portion, each board end portion attaching to a corresponding contact pad of the circuit board and each mating end portion engaging a corresponding conductor.
24. The electrical connector in accordance with claim 23 wherein the connecting member is a distinct component with respect to the at least one trace and the corresponding conductor.
25. The electrical connector in accordance with claim 23 wherein the connecting member includes a C-shaped body that defines a board-receiving space, a rear end of the circuit board being positioned within the board-receiving space.