COMMUNICATION JACK HAVING AN INSULATING ELEMENT AND A SPRING ELEMENT

• US 20150349463A1
• Filed: 08/07/2015
• Published: 12/03/2015
• Est. Priority Date: 03/22/2011
• Status: Active Grant

• Current Assignee: Panduit Corporation
• Original Assignee: Panduit Corporation
• Inventors: Patel, Satish I., Fransen, Robert E., Straka, Frank M., Hagar, Melanie M.
• Granted Patent: US 9,825,406 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H01R 13/6461 Means for preventing cross-talk
• 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 13/6658 on printed circuit board H01R13/6666 - H01R13/6691 take precedence
• CPC Class Codes: H01R 24/58 Contacts spaced along longitudinal axis of engagement
• CPC Class Codes: H01R 24/64 for high frequency, e.g. RJ 45
• CPC Class Codes: H01R 43/205 with a panel or printed circuit board
• CPC Class Codes: H05K 1/0228 Compensation of cross-talk by a mutually correlated lay-out of printed circuit traces, e.g. for compensation of cross-talk in mounted connectors balanced signal pairs H05K1/0245
• CPC Class Codes: H05K 1/0239 Signal transmission by AC coupling
• CPC Class Codes: Y10T 29/4913 Assembling to base an electrical component, e.g., capacitor, etc.
• CPC Class Codes: Y10T 29/49224 with coating

Abstract

A communication jack which includes a housing with an aperture for receiving a communication plug, and a circuit board at least partially within the housing. The circuit board includes crosstalk compensation elements. A plurality of plug interface contacts are connected to the circuit board. At least one of the plurality of plug interface contacts includes a contact element layered with at least one spring element.

Claims

1. A method for reducing a net effect on electrical performance of a communication connector from variation in manufacturing, where said communication connector includes multiple stages of capacitive coupling, said method comprising the steps of:

providing a first stage of said capacitive coupling via a first pad capacitor having a pair of first capacitor plates, each of said first capacitor plates having a substantially square shape; and

providing a second stage of said capacitive coupling via a second pad capacitor having a pair of second capacitor plates, each of said second capacitor plates having a substantially rectangular shape where no two adjacent sides have substantially equal dimensions.

2. The method of claim 1, wherein said communication connector is a communication jack.

3. The method of claim 2, wherein said first stage of said capacitive coupling and said second stage of said capacitive coupling have opposite polarities.

4. The method of claim 3, wherein a magnitude of said first stage is greater than a magnitude of said second stage.

5. The method of claim 4, wherein dimensions of each of said second capacitor plates are selected such that a manufacturing variation from respective target dimensions of said first pad capacitor and said second pad capacitor maintain a net capacitive coupling within said communication jack such that said communication jack meets at least one of a CAT5E, CAT6, CAT6A, CAT7, and CAT7A standards.

6. The method of claim 4, wherein each of said first capacitor plates has dimensions X and X, and a surface area A given by A=X*X;

wherein each of said second capacitor plates has dimensions Y and Z, and a surface area B given by B=Y*Z;

wherein said communication jack meets at least one of a CAT5E, CAT6, CAT6A, CAT7, and CAT7A standards;

wherein Z=√

A±

√

(A−

B); and

wherein Y=√

A±

√

(A−

B).

7. A circuitry for use in a communication jack, said communication jack configured to be mated with a communication plug configured to produce a predetermined amount of crosstalk, said circuitry configured to substantially cancel said predetermined amount of crosstalk produced within said communication plug, said circuitry comprising:

a first stage of capacitive coupling provided via a first pad capacitor having a pair of first capacitor plates, each of said first capacitor plates having a substantially square shape; and

a second stage of capacitive coupling provided via a second pad capacitor having a pair of second capacitor plates, each of said second capacitor plates having a substantially rectangular shape where no two adjacent sides have substantially equal dimensions.

8. The circuitry of claim 7, wherein said first stage of capacitive coupling and said second stage of capacitive coupling have opposite polarities.

9. The circuitry of claim 8, wherein a magnitude of said first stage is greater than a magnitude of said second stage.

10. The circuitry of claim 9, wherein each of said first capacitor plates has dimensions X and X, and a surface area A given by A=X*X;

wherein each of said second capacitor plates has dimensions Y and Z, and a surface area B given by B=Y*Z;

wherein said communication jack meets at least one of a CAT5E, CAT6, CAT6A, CAT7, and CAT7A standards;

wherein Z=√

A±

√

(A−

B); and

wherein Y=√

A±

√

(A−

B).

11. A communication jack configured to mate with a communication plug, said communication plug configured to produce a predetermined amount of crosstalk, said communication jack configured to substantially cancel said predetermined amount of crosstalk, said communication jack comprising:

a housing;

a plurality of plug interface contacts;

a plurality of insulation displacement contacts; and

crosstalk cancellation circuitry positioned between said plurality of plug interface contacts and said plurality of insulation displacement contacts, said crosstalk cancellation circuitry including;

a first stage of capacitive coupling provided via a first pad capacitor having a pair of first capacitor plates, each of said first capacitor plates having a substantially square shape; and

a second stage of capacitive coupling provided via a second pad capacitor having a pair of second capacitor plates, each of said second capacitor plates having a substantially rectangular shape where no two adjacent sides have substantially equal dimensions.

12. The communication jack of claim 11, wherein said first stage of capacitive coupling and said second stage of capacitive coupling have opposite polarities.

13. The communication jack of claim 12, wherein a magnitude of said first stage is greater than a magnitude of said second stage.

14. The communication jack of claim 13, wherein each of said first capacitor plates has dimensions X and X, and a surface area A given by A=X*X;

wherein each of said second capacitor plates has dimensions Y and Z, and a surface area B given by B=Y*Z;

wherein said communication jack meets at least one of a CAT5E, CAT6, CAT6A, CAT7, and CAT7A standards;

wherein Z=√

A±

√

(A−

B); and

wherein Y=√

A±

√

(A−

B).

15. The communication jack of claim 14, wherein said crosstalk cancellation circuitry is positioned on at least one printed circuit board.

16. A method of manufacturing a communication jack comprising the steps of:

providing a jack housing;

positioning a plurality of plug interface contacts at least partially within said jack housing;

positioning a plurality of insulation displacement contacts at least partially within said jack housing; and

providing crosstalk cancellation circuitry between said plurality of plug interface contacts and said plurality of insulation displacement contacts, said crosstalk cancellation circuitry including;

a first stage of capacitive coupling provided via a first pad capacitor having a pair of first capacitor plates, each of said first capacitor plates having a substantially square shape; and

a second stage of capacitive coupling provided via a second pad capacitor having a pair of second capacitor plates, each of said second capacitor plates having a substantially rectangular shape where no two adjacent sides have substantially equal dimensions.

17. The method of claim 16, wherein said first stage of capacitive coupling and said second stage of capacitive coupling have opposite polarities.

18. The method of claim 17, wherein a magnitude of said first stage is greater than a magnitude of said second stage.

19. The method of claim 18, wherein each of said first capacitor plates has dimensions X and X, and a surface area A given by A=X*X;

wherein each of said second capacitor plates has dimensions Y and Z, and a surface area B given by B=Y*Z;

wherein A and B are selected such that said communication jack meets at least one of a CAT5E, CAT6, CAT6A, CAT7, and CAT7A standards;

wherein Z is selected the Z=√

A±

√

(A−

B); and

wherein Y is selected such that Y=√

A±

√

(A−

B).

20. The method of claim 19, wherein said crosstalk cancellation circuitry is positioned on at least one printed circuit board.