CA2530500A1 - Electrical connectors having contacts that may be selectively designated as either signal or ground contacts - Google Patents

Electrical connectors having contacts that may be selectively designated as either signal or ground contacts Download PDF

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Publication number
CA2530500A1
CA2530500A1 CA002530500A CA2530500A CA2530500A1 CA 2530500 A1 CA2530500 A1 CA 2530500A1 CA 002530500 A CA002530500 A CA 002530500A CA 2530500 A CA2530500 A CA 2530500A CA 2530500 A1 CA2530500 A1 CA 2530500A1
Authority
CA
Canada
Prior art keywords
contacts
signal
electrical connector
pair
designation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002530500A
Other languages
French (fr)
Other versions
CA2530500C (en
Inventor
Steven E. Minich
Joseph B. Shuey
Gregory A. Hull
Stephen B. Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FCI Americas Technology LLC
Original Assignee
Fci Americas Technology, Inc.
Steven E. Minich
Joseph B. Shuey
Gregory A. Hull
Stephen B. Smith
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34193536&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2530500(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fci Americas Technology, Inc., Steven E. Minich, Joseph B. Shuey, Gregory A. Hull, Stephen B. Smith filed Critical Fci Americas Technology, Inc.
Publication of CA2530500A1 publication Critical patent/CA2530500A1/en
Application granted granted Critical
Publication of CA2530500C publication Critical patent/CA2530500C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H01R13/6477—Impedance matching by variation of dielectric properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/941—Crosstalk suppression

Abstract

An electrical connector according to the invention includes a linear contact array of electrically conductive contacts and a lead frame into which the contacts at least partially extend. The contacts may be selectively designated as either ground or signal contacts such that, in a first designation, the contacts form at least one differential signal pair comprising a pair of signal contacts, and, in a second designation, the contacts form at least one single-ended signal conductor.

Claims (40)

1. An electrical connector comprising:
a linear contact array of electrically conductive contacts; and a lead frame into which the contacts at least partially extend, wherein the contacts may be selectively designated as either ground or signal contacts such that, in a first designation, the contacts form at least one differential signal pair comprising a pair of signal contacts, and, in a second designation, the contacts form at least one single-ended signal conductor.
2. The electrical connector of claim 1, wherein the contacts may be selectively defined such that, in a third designation, the contacts form at least one differential signal pair and at least one single-ended signal conductor.
3. The electrical connector of claim 1, wherein the contact array includes at least one ground contact disposed adjacent to the at least one differential signal pair in the first designation and adjacent to the at least one single-ended signal conductor in the second designation.
4. The electrical connector of claim 3, wherein the ground contact is disposed in the same relative location within the contact array in both the first designation and the second designation.
5. The electrical connector of claim 4, wherein each signal contact has a respective terminal end and wherein a terminal end of the ground contact extends beyond any terminal end of any of the signal contacts.
6. The electrical connector of claim 1, further comprising:
a second linear contact array of electrically conductive contacts; and a second lead frame into which the contacts of the second linear array at least partially extend, wherein the contacts of the second linear array may be selectively designated as either ground or signal contacts such that, in a third designation, the contacts form at least one differential signal pair comprising a pair of signal contacts, and, in a fourth designation, the contacts form at least one single-ended signal conductor.
7. The electrical connector of claim 6, wherein cross-talk between signal contacts in the first linear array and signal contacts in the second linear array is limited to a desirable level.
8. The electrical connector of claim 7, wherein the second lead frame is disposed adjacent to the first lead frame, and wherein the cross-talk is limited as a result of a configuration of the contacts.
9. The electrical connector of claim 8, wherein the cross-talk is limited as a result of a ratio of contact width to a gap width between adjacent contacts.
10. The electrical connector of claim 8, wherein the cross-talk is limited in the absence of any shield plate between the first and second lead frames.
11. The electrical connector of claim 8, wherein the contacts in the first linear contact array that are designated as signal contacts produce a relatively low electric field near the contacts in the second linear array that are designated as signal contacts.
12. The electrical connector of claim 11, wherein the differential signal pair of signal contacts includes a gap between them, and wherein the signal pair produce a relatively high electric field in the gap and a relatively low electric field near an adjacent signal contact.
13. The electrical connector of claim 12, wherein the adjacent signal contact is in the first linear contact array.
14. The electrical connector of claim 12, wherein the adjacent signal contact is in an adjacent linear contact array.
15. The electrical connector of claim 14, wherein the adjacent linear contact array is staggered relative to the first linear contact array.
16. The electrical connector of claim 1, wherein the differential signal pair has a differential impedance of about 90-110 ohms.
17. The electrical connector of claim 1, wherein the single-ended signal conductor has a single-ended impedance of about 40-70 ohms.
18. The electrical connector of claim 1, wherein at least one of the differential signal pair contacts has an insertion loss of less than about 0.7 dB at approximately 5 GHz.
19. The electrical connector of claim 1, wherein mufti-active near-end cross-talk measured at the differential signal pair is less than about three percent at approximately forty picoseconds and 10-90 percent rise time.
20. The electrical connector of claim 1, wherein mufti-active near-end cross-talk measured at the single-ended signal conductor is less than about five to eight percent at approximately 150 picoseconds and 20-80 percent rise time.
21. The electrical connector of claim 1, wherein multi-active far-end cross-talk measured at the differential signal pair is less than about four percent at approximately forty picoseconds and 10-90 percent rise time.
22. The electrical connector of claim 1, wherein multi-active far-end cross-talk measured at the single-ended signal conductor is less than about three percent at approximately 150 picoseconds and approximately 20-80 percent rise time.
23. The electrical connector of claim 1, wherein there is limited crosstalk within a column.
24. The electrical connector of claim 1, wherein crosstalk is limited as a result of a ratio of contact width to a gap width between adjacent contacts.
25. The electrical connector of claim 1, wherein at least one of the single ended signal conductors has an insertion loss of less than about 2 dB at approximately 4 GHz.
26. An electrical connector, comprising:
a linear contact array of electrically conductive contacts; and a lead frame into which the contacts at least partially extend, wherein at least one of the contacts is a signal contact that carries electrical signals with an acceptable noise level in the absence of any shield plate or adjacent lead frame.
27. The electrical connector of claim 26, wherein there is limited crosstalk within a column.
28. An electrical connector comprising:
a lead frame adapted to receive first and second signal contacts, wherein the signal contacts may be selectively defined in either of a first designation and a second designation such that, in the first designation, the signal contacts form a differential signal pair, and, in the second designation, the first signal contact is a single-ended signal conductor.
29. The electrical connector of claim 28, wherein the lead frame is adapted to receive a ground contact adjacent to the first signal contact.
30. The electrical connector of claim 29, wherein, in the second designation, the first signal contact forms a single-ended pair with the ground contact.
31. The electrical connector of claim 28, wherein the lead frame is further adapted to receive a third signal contact that is a single-ended signal conductor.
32. The electrical connector of claim 28, wherein the lead frame is further adapted to receive third and fourth signal contacts that form a second differential signal pair.
33. A method, comprising:
providing an electrical connector comprising a linear contact array of electrically conductive contacts and a lead frame into which the contacts at least partially extend, wherein the contacts may be selectively designated as either ground or signal contacts such that, in a first designation, the contacts form at least one differential signal pair comprising a pair of signal contacts, and, in a second designation, the contacts form at least one single-ended signal conductor;
designating the contacts as either ground or signal contacts; and electrically connecting the electrical connector to a circuit board having at least one signaling path.
34. The method of claim 33, further comprising:
electrically connecting a contact designated as a signal contact to a signaling path on the circuit board.
35. The method of claim 34, wherein the signal path is a single-ended signaling path.
36. The method of claim 34, wherein the signal path is a differential signaling path.
37. The method of claim 33, further comprising:
designating the contacts such that the contacts form at least one differential signal pair comprising a pair of signal contacts.
38. The method of claim 33, further comprising:
designating the contacts such that the contacts form at least one single-ended signal conductor.
39. The method of claim 33, further comprising:
designating the contacts such that the contacts form at least one differential signal pair comprising a pair of signal contacts and at least one single-ended signal conductor.
40. A system, comprising:
a circuit board having at least one signaling path; and an electrical connector comprising a linear contact array of electrically conductive contacts and a lead frame into which the contacts at least partially extend, wherein the contacts may be selectively designated as either ground or signal contacts such that, in a first designation, the contacts form at least one differential signal pair comprising a pair of signal contacts, and, in a second designation, the contacts form at least one single-ended signal conductor, wherein the electrical connector is electrically connected to the circuit board.
CA2530500A 2003-08-05 2004-07-30 Electrical connectors having contacts that may be selectively designated as either signal or ground contacts Active CA2530500C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/634,547 US6994569B2 (en) 2001-11-14 2003-08-05 Electrical connectors having contacts that may be selectively designated as either signal or ground contacts
US10/634,547 2003-08-05
PCT/US2004/024676 WO2005018051A2 (en) 2003-08-05 2004-07-30 Electrical connectors having contacts that may be selectively designated as either signal or ground contacts

Publications (2)

Publication Number Publication Date
CA2530500A1 true CA2530500A1 (en) 2005-02-24
CA2530500C CA2530500C (en) 2012-10-02

Family

ID=34193536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2530500A Active CA2530500C (en) 2003-08-05 2004-07-30 Electrical connectors having contacts that may be selectively designated as either signal or ground contacts

Country Status (7)

Country Link
US (7) US6994569B2 (en)
EP (1) EP1661209A4 (en)
JP (2) JP4638430B2 (en)
KR (1) KR101096349B1 (en)
CN (1) CN100508286C (en)
CA (1) CA2530500C (en)
WO (1) WO2005018051A2 (en)

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US7229318B2 (en) 2007-06-12
US7182643B2 (en) 2007-02-27
US20060246756A1 (en) 2006-11-02
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US20060063404A1 (en) 2006-03-23
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US20060234532A1 (en) 2006-10-19
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US7442054B2 (en) 2008-10-28
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US20070099464A1 (en) 2007-05-03
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US7331800B2 (en) 2008-02-19
US20040097112A1 (en) 2004-05-20
US7390218B2 (en) 2008-06-24
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JP2011018651A (en) 2011-01-27
KR101096349B1 (en) 2011-12-20

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