Communications connector with floating wiring board for imparting crosstalk compensation between conductors
View Patent ↗A communications connector includes: a dielectric mounting substrate; a plurality of conductors mounted in the mounting substrate; and a wiring board. Each of the conductors includes a fixed end portion mounted in the mounting substrate and a free end portion, each of the free end portions being positioned in side-by-side and generally parallel relationship, and each of the fixed end portions being positioned in side-by side and generally parallel relationship. The wiring board is positioned between the fixed and free end portions of the conductors, the wiring board being generally perpendicular to the conductors, the wiring board including first and second conductive traces that are electrically insulated from each other. First and second conductors are electrically connected with the first and second traces. The first and second conductive traces are arranged on the wiring board to create a crossover between the first and second conductors.
1. A communications connector, comprising:
a dielectric mounting substrate;
a plurality of contact wires mounted in the mounting substrate, the contact wires including a fixed end portion mounted in the mounting substrate and a free end portion; and
a floating wiring board positioned between the fixed and free end portions of at least some of the contact wires, the wiring board including a first plated hole that receives a first intermediate end of a first contact wire of the plurality of contact wires, a second plated hole that receives a second intermediate end of the first contact wire and a first conductive trace that electrically connects the first and second intermediate ends of the first contact wire;
wherein the fixed end portion and the free end portion of the first contact wires are in a non-aligned relationship.
2. The communications connector defined in claim 1 , wherein the wiring board includes a second conductive trace that is electrically insulated from the first conductive trace, and wherein a second of the plurality of contact wires is electrically connected with the second conductive trace such that the fixed end portion and the free end portion of the second contact wire are in non-aligned relationship.
3. The communications connector defined in claim 2 , wherein the first and second contact wires form a crossover on the wiring board.
4. The communications connector defined in claim 2 , wherein the first and second contact wires sandwich a third contact wire and a fourth contact wire of the plurality of contact wires.
5. The communications connector defined in claim 4 , wherein the third and fourth contact wires lack a crossover.
6. The communications connector defined in claim 2 , wherein the wiring board has multiple surfaces, and wherein the first conductive trace is positioned on a first surface, and the second conductive trace is positioned on a second surface.
7. The communications connector defined in claim 4 , wherein a fifth contact wire and a sixth contact wire of the plurality of contact wires are positioned adjacent the first contact wire, and a seventh contact wire and an eighth contact wire of the plurality of contact wires are positioned adjacent the second contact wire.
8. The communications connector defined in claim 7 , wherein the third and fourth contact wires pass through bores in the wiring board.
9. The communications connector defined in claim 7 , wherein the fifth, sixth, seventh and eighth contact wires lack a crossover.
10. The communications connector defined in claim 2 , wherein the wiring board is suspended spaced apart from the mounting substrate by the first and second contact wires.
11. The communications connector defined in claim 3 , wherein the first and second contact wires are between 0.648 and 0.828 inches in length, and wherein the wiring board creating the crossover is positioned between 0.3 and 0.4 inches from the free end portions of the first and second contact wires.
12. A communications connector, comprising:
a dielectric mounting substrate;
a plurality of conductors mounted in the mounting substrate, each of the conductors including a fixed end portion mounted in the mounting substrate and a free end portion;
a wiring board positioned between the fixed and free end portions of at least some of the conductors;
wherein the wiring board includes a first conductive trace that comprises a central portion of a first of the plurality of conductors and a second conductive trace that comprises a central portion of a second of the plurality of conductors,
wherein the fixed end portion of the first of the plurality of conductors and the free end portion of the second of the plurality of conductors are substantially aligned, and the fixed end portion of the second of the plurality of conductors and the free end portion of the first of the plurality of conductors are substantially aligned.
13. The communications connector defined in claim 12 , wherein the first and second conductors form a crossover on the wiring board.
14. The communications connector defined in claim 12 , wherein the first and second conductors sandwich a third conductor and a fourth conductor of the plurality of conductors.
15. The communications connector defined in claim 14 , wherein the third and fourth conductors lack a crossover.
16. The communications connector defined in claim 12 , wherein the wiring board has multiple surfaces, and wherein the first conductive trace is positioned on a first surface, and the second conductive trace is positioned on a second surface.
17. The communications connector defined in claim 12 , wherein a third conductor and a fourth conductor of the plurality of conductors are sandwiched between the first and second conductors, a fifth conductor and a sixth conductor of the plurality of conductors are positioned adjacent the first conductor, and a seventh conductor and an eighth conductor of the plurality of conductors are positioned adjacent the second conductor.
18. The communications connector defined in claim 15 , wherein the third and fourth conductors pass through bores in the wiring board.
19. The communications connector defined in claim 12 , wherein the wiring board comprises a floating wiring board that is supported by the first and second conductors.
20. The communications connector defined in claim 12 , wherein the first and second conductors are between 0.648 and 0.828 inches in length, and wherein the wiring board creating the crossover is positioned between 0.3 and 0.4 inches from the free end portions of the first and second conductors.
21. A communications connector, comprising:
a dielectric mounting substrate;
a plurality of contact wires mounted in the mounting substrate, each of the contact wires including a fixed end portion mounted in the mounting substrate and a free end portion;
a wiring board positioned between the fixed and free end portions of the contact wires, the wiring board including first and second conductive traces that are electrically insulated from each other;
wherein a first of the plurality of contact wires comprises a first wire segment that includes the fixed end portion, a second wire segment that includes the free end portion, and the first conductive trace which electrically connects the first and second wire segments, and
wherein a second of the plurality of contact wires comprises a third wire segment that includes the fixed end portion, a fourth wire segment that includes the free end portion, and the second conductive trace which electrically connects the third and fourth wire segments, and
wherein the first and second conductive traces are arranged to create a crossover between the first and second contact wires.
22. The communications connector defined in claim 21 , wherein the first and second contact wires sandwich a third contact wire and a fourth contact wire of the plurality of contact wires.
23. The communications connector defined in claim 22 , wherein the third and fourth contact wires lack a crossover.
24. The communications connector defined in claim 21 , wherein the wiring board has multiple surfaces, and wherein the first conductive trace is positioned on a first surface, and the second conductive trace is positioned on a second surface.
25. The communications connector defined in claim 21 , wherein a third contact wire and a fourth contact wire of the plurality of contact wires are sandwiched between the first and second contact wires, a fifth contact wire and a sixth contact wire of the plurality of contact wires are positioned adjacent the first contact wire, and a seventh contact wire and an eighth contact wire of the plurality of contact wires are positioned adjacent the second contact wire.
26. The communications connector defined in claim 22 , wherein the third and fourth contact wires pass through bores in the wiring board.
27. The communications connector defined in claim 25 , wherein the fifth, sixth, seventh and eighth contact wires lack a crossover.
28. The communications connector defined in claim 21 , wherein the wiring board is suspended spaced apart from the mounting substrate by the first and second contact wires.
29. The communications connector defined in claim 1 , wherein the floating wiring board further comprise at least one capacitor formed between portions of two of the plurality of contact wires.
30. The communications connector defined in claim 12 , wherein the dielectric mounting substrate comprises a second wiring board.
31. The communications connector defined in claim 12 , wherein the wiring board comprises a floating wiring board.
32. The communications connector defined in claim 31 , wherein the floating wiring board further comprise at least one capacitor formed between portions of two of the plurality of conductors.
33. A communications jack, comprising:
a housing having a plug aperture;
a floating wiring board mounted at least partially within the plug aperture; and
a plurality of contacts that are configured to mate with respective of a plurality of contacts of a communications plug when the plug is inserted into the plug aperture,
wherein at least some of the plurality of contacts are electrically connected to respective of a plurality of conductive traces on the floating wiring board, and
wherein a position of the floating wiring board within the plug aperture changes when the plug is inserted into the plug aperture.
34. The communications jack of claim 33 , wherein the floating wiring board comprises a flexible wiring board.
35. The communications jack of claim 34 , wherein the plurality of contacts comprises eight contacts that are configured as four differential pairs of contacts, and wherein the conductive traces on the flexible wiring board associated with at least one of the differential pairs cross over each other.
36. The communications jack of claim 34 , wherein the flexible circuit board includes at least one capacitor.
37. A contact for a communications jack, the contact comprising:
a first wire that includes a contact area for mating with a contact of a mating communications plug and a first end that is mounted in a floating wiring board;
a second wire that includes a first end that is mounted in the floating printed wiring board and a second end that is mounted in a dielectric substrate; and
wherein the floating wiring board includes a first conductive trace that electrically connects the first wire to the second wire,
wherein the contact is a cantilevered contact having a fixed portion and a deflectable portion, wherein the first wire and the first conductive trace are part of the deflectable portion of the contact.
38. The contact of claim 37 , wherein the dielectric substrate comprises a fixed wiring board.
39. The contact of claim 37 , wherein the floating wiring board is located immediately adjacent to the contact area of the first wire.
40. The contact of claim 37 , wherein the first wire is in a first plane and the second wire is in a second plane that is different than, and substantially parallel to, the first plane.
41. The contact of claim 37 , in combination with a second contact that comprises:
a third wire that includes a contact area for mating with a contact of a mating communications plug and a first end that is mounted in the floating wiring board;
a fourth wire that includes a first end that is mounted in the floating printed wiring board and a second end that is mounted in the dielectric substrate; and
wherein the floating wiring board includes a second conductive trace that electrically connects the third wire to the fourth wire.
42. The contact of claim 41 , wherein the first conductive trace and the second conductive trace cross each other on the floating wiring board.
43. The contact of claim 41 , wherein the first wire is in a first plane and the second wire is in a second plane that is different than, and substantially parallel to, the first plane, and wherein the third wire is in the first plane and the fourth wire is in the second plane.
44. The contact of claim 41 , wherein the first wire is in a first plane and the second wire is in a second plane that is different than, and substantially parallel to, the first plane, and wherein the third wire is in the second plane and the fourth wire is in the first plane.