Electrical connectors having open-ended conductors

• US 8,282,425 B2
• Filed: 08/22/2011
• Issued: 10/09/2012
• Est. Priority Date: 08/25/2009
• Status: Active Grant

• Current Assignee: CommScope Technologies, LLC (CommScope Holding Company, Inc.)
• Original Assignee: Tyco Electronics Corporation (TE Connectivity Limited)
• Inventors: Bopp, Steven Richard, Pepe, Paul John
• Primary Examiner(s): Nasri, Javaid
• Application Number:
  US13/214,760
• Publication Number:
  US 20110306250A1
• Time in Patent Office: 414 Days
• Field of Search: 439/676, 439/404, 439/76.1, 439/941, 439/620.23, 439/620.11, 439/620.22
• US Class Current: 439/676
• CPC Class Codes: H01R 13/6464 by adding capacitive elements
• CPC Class Codes: H01R 13/6466 on substrates, e.g. printed circuit boards [PCB]
• CPC Class Codes: H01R 13/6467 by cross-over of signal conductors
• CPC Class Codes: H01R 13/6477 by variation of dielectric properties
• CPC Class Codes: H01R 13/6658 on printed circuit board H01R13/6666 - H01R13/6691 take precedence
• CPC Class Codes: H01R 24/00 Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure contact members H01R13/02; securing contact members in or to a base or case or insulating of contact members H01R13/40; bases or cases H01R13/46; means for supporting coupling part when not engaged H01R13/60; means for facilitating engagement or disengagement of coupling parts or for holding them in engagement H01R13/62; means for preventing, inhibiting or avoiding incorrect coupling H01R13/64
• CPC Class Codes: H01R 24/64 for high frequency, e.g. RJ 45
• CPC Class Codes: Y10S 439/941 Crosstalk suppression

Abstract

An electrical connector including a connector body that is configured to mate with a plug connector and a contact sub-assembly that is held by the connector body. The contact sub-assembly includes a plurality of mating conductors that are configured to transmit signal current along an interconnection path. The contact sub-assembly also includes a plurality of open-ended conductors. Each of the open-ended conductors is electrically connected to a corresponding mating conductor of the plurality of mating conductors. The open-ended conductors are configured to capacitively couple select mating conductors thereby providing a compensation region that is electrically parallel to the interconnection path.

Claims

1. An electrical connector comprising:

a connector body configured to mate with a plug connector; and

a contact sub-assembly held by the connector body, the contact sub-assembly comprising;

a plurality of mating conductors configured to transmit signal current along an interconnection path;

a plurality of open-ended conductors, each of the open-ended conductors being electrically connected to a corresponding mating conductor of the plurality of mating conductors, the open-ended conductors configured to capacitively couple select mating conductors thereby providing a compensation region that is electrically parallel to the interconnection path.

2. The connector in accordance with claim 1 wherein the plurality of mating conductors are arranged to provide a compensation region that is electrically parallel to the compensation region provided by the open-ended conductors.

3. The connector in accordance with claim 1 wherein the capacitively coupled open-ended conductors include at least one of (a) inter-digital fingers and (b) open-ended traces capacitively coupled through non-ohmic plates.

4. The connector in accordance with claim 1 wherein the connector body includes a mating end and a loading end, the open-ended conductors including first and second open-ended conductors, the first open-ended conductor being electrically connected to a corresponding mating conductor of the plurality of mating conductors proximate to the mating end and the second open-ended conductor being electrically connected to a different corresponding mating conductor of the plurality of mating conductors, the second open-ended conductor extending toward the mating end and being capacitively coupled to the first open-ended conductor.

5. The connector in accordance with claim 1 wherein the open-ended conductors include first and second open-ended conductors that are electrically connected to a common mating conductor of the plurality of mating conductors, the first and second open-ended conductors being capacitively coupled to each other.

6. The connector in accordance with claim 1 wherein the contact sub-assembly further comprises a printed circuit that includes the open-ended conductors.

7. The connector in accordance with claim 6 wherein each mating conductor of the second differential pair is electrically coupled to a corresponding open-ended conductor.

8. The connector in accordance with claim 1 wherein the plurality of mating conductors comprises first and second differential pairs of mating conductors, the first differential pair splitting the second differential pair of mating conductors.

9. The connector in accordance with claim 1 wherein the connector body has an interior chamber configured to receive the plug connector and the connector further comprises a circuit board, the plurality of mating conductors extending within the interior chamber and the circuit board including the plurality of open-ended conductors.

10. An electrical connector comprising:

a connector body configured to mate with a plug connector;

a contact sub-assembly held by the connector body, the contact sub-assembly comprising;

a plurality of mating conductors, each mating conductor extending between an engagement portion and an interior portion and configured to have a signal current flow therebetween; and

a plurality of open-ended conductors electrically connected to corresponding mating conductors of the plurality of mating conductors, wherein the open-ended conductors capacitively couple the engagement portion of a first mating conductor to the interior portion of a different second mating conductor.

11. The connector in accordance with claim 10 wherein the plurality of mating conductors form a first compensation region and the plurality of open-ended conductors form a second compensation region.

12. The connector in accordance with claim 11 wherein the mating conductors are arranged to form only two crosstalk stages.

13. The connector in accordance with claim 10 further comprising a circuit board including the open-ended conductors, the circuit board having contact pads configured to be electrically connected to corresponding mating conductors of the plurality of mating conductors, the contact pads also being electrically connected to corresponding open-ended conductors of the plurality of open-ended conductors.

14. The connector in accordance with claim 10 wherein the capacitively coupled open-ended conductors are capacitively coupled through inter-digital fingers or non-ohmic plates.

15. The connector in accordance with claim 10 wherein the plurality of mating conductors comprises first and second differential pairs of mating conductors, the first differential pair splitting the second differential pair of mating conductors, wherein each mating conductor of the second differential pair is electrically coupled to at least one of the open-ended conductor.

16. The connector in accordance with claim 15 wherein each mating conductor of the second differential pair is electrically coupled to two open-ended conductors of the plurality of open-ended conductors.

17. The connector in accordance with claim 15 wherein each mating conductor of the second differential pair is capacitively coupled to a mating conductor having the same polarity.

18. The connector in accordance with claim 10 wherein the connector body has an interior chamber configured to receive the plug connector and the connector further comprises a circuit board, the plurality of mating conductors extending within the interior chamber, the circuit board including the plurality of open-ended conductors.

19. An electrical connector comprising:

a connector body configured to mate with a plug connector;

a contact sub-assembly held by the connector body, the contact sub-assembly comprising;

a plurality of mating conductors, each mating conductor extending between an engagement portion and an interior portion and configured to have a signal current flow therebetween; and

a plurality of open-ended conductors electrically connected to corresponding mating conductors of the plurality of mating conductors, wherein at least two of the open-ended conductors capacitively couple the engagement portion and the interior portion of a common mating conductor.

20. The connector in accordance with claim 19 wherein the connector body has an interior chamber configured to receive the plug connector and the connector further comprises a circuit board, the plurality of mating conductors extending within the interior chamber, the circuit board including the plurality of open-ended conductors.