I/O connector configured for cable connection to a midboard
An I/O connector assembly configured for making a cabled connection to an interior portion of a printed circuit board for signals passing through the connector. The assembly may include a receptacle connector, a cage and cables, terminated to conductive elements of the terminal subassemblies, extending through the cage to the midboard. The terminal subassemblies may have first type conductive elements configured for mounting to the printed circuit board and second type conductive elements configured for terminating cables. Features may be included for precise positioning of the receptacle connector formed with the terminal subassemblies relative to the cage such that connector to connector variation in the positioning of the contact portions of the conductive elements in the terminal subassembly is provided. A mating plug may be designed with low wipe, which improves high frequency performance of the mated connector system.
1. A receptacle connector comprising:
a housing configured to receive a mating connector;
a plurality of conductive elements coupled to the housing, wherein:
each conductive element of the plurality of conductive elements comprises a contact portion, a contact tail and an intermediate portion joining the contact portion and the contact tail; and
the plurality of conductive elements comprises a plurality of first conductors and a plurality of second conductors; and
a first conductive member comprising concave sections and second sections, separate from the concave sections, wherein the concave sections are aligned with conductors of the plurality of first conductors and the second sections are welded to conductors of the plurality of second conductors.
2. The receptacle connector of claim 1 , wherein:
the second sections are welded to intermediate portions of the conductors of the plurality of second conductors.
3. The receptacle connector of claim 1 , wherein:
the plurality of first conductors comprises a plurality of signal conductors;
the plurality of second conductors comprises a plurality of ground conductors; and
the contact portions of the plurality of conductive elements are positioned in a row.
4. The receptacle connector of claim 3 , wherein:
the plurality of signal conductors comprises a pair of signal conductors;
a first of the second sections is welded to a first ground conductor of the plurality of ground conductors on a first side of the pair of signal conductors; and
a second of the second sections is welded to a second ground conductor of the plurality of ground conductors on a second side of the pair of signal conductors.
5. The receptacle connector of claim 1 , further comprising a second conductive member welded to conductors of the plurality of second conductors.
6. The receptacle connector of claim 5 , wherein:
the first conductive member comprises a shield; and
the second conductive member comprises a shorting bar.
7. The receptacle connector of claim 5 , wherein:
the contact portions of the plurality of conductive elements are positioned in a row along a row direction;
the row direction in perpendicular to an insertion direction of the receptacle connector; and
the first conductive member and the second conductive member are spaced along the insertion direction.
8. The receptacle connector of claim 1 , wherein:
the receptacle connector comprises a plurality of first conductive members elongated in a first direction;
the first conductive member is one of the plurality of first conductive members; and
the receptacle connector further comprises at least one ground member elongated in a second direction perpendicular to the first direction and engaging each of the plurality of first conductive members.
9. The receptacle connector of claim 1 , wherein:
the plurality of conductive elements comprises conductive elements of a first type and a second type;
the conductive elements of the first type have intermediate portions that bend through 90 degrees and contact tails configured for attachment to a printed circuit board; and
the conductive elements of the second type have contact tails configured for a cable termination.
10. The receptacle connector of claim 9 , wherein:
the conductive elements of the second type have straight intermediate portions.
11. An electrical connector comprising:
one or more terminal groups, wherein each terminal group of the one or more terminal groups comprises:
a plurality of conductive elements, wherein:
each conductive element of the plurality of conductive elements comprises a contact portion, a contact tail and an intermediate portion joining the contact portion and the contact tail; and
the plurality of conductive elements comprises a plurality of first conductors and a plurality of second conductors,
wherein a first conductive member is welded to conductors of the plurality of second conductors; and
wherein a second conductive member is welded to conductors of the plurality of second conductors.
12. The electrical connector of claim 11 , wherein:
at least one of the first conductive member or the second conductive member is welded to intermediate portions of conductors of the plurality of second conductors.
13. The electrical connector of claim 11 , wherein:
the plurality of first conductors comprises a plurality of signal conductors;
the plurality of second conductors comprises a plurality of ground conductors; and
the contact portions of the plurality of conductive elements are positioned in a row.
14. The electrical connector of claim 13 , wherein, for at least one terminal group of the one or more terminal groups:
the first conductive member comprises concave sections and flat portions;
the concave sections are aligned with conductors of the plurality of signal conductors; and
the flat portions are welded to conductors of the plurality of ground conductors.
15. The electrical connector of claim 14 , wherein for the at least one terminal group of the one or more terminal groups:
the plurality of signal conductors comprises a pair of signal conductors;
a first flat portion of the flat portions is welded to a first ground conductor of the plurality of ground conductors on a first side of the pair of signal conductors; and
a second flat portion of the flat portions is welded to a second ground conductor of the plurality of ground conductors on a second side of the pair of signal conductors.
16. The electrical connector of claim 11 , wherein for each terminal group of the one or more terminal groups:
the first conductive member comprises a shield; and
the second conductive member comprises a shorting bar.
17. The electrical connector of claim 11 , wherein for each terminal group of the one or more terminal groups:
the contact portions of the plurality of conductive elements are positioned in a row along a row direction;
the row direction in perpendicular to an insertion direction of the electrical connector; and
the first conductive member and the second conductive member are spaced along the insertion direction.
18. The electrical connector of claim 11 , further comprising at least one ground member configured to electrically couple together ground conductors of the one or more terminal groups.
19. The electrical connector of claim 11 , wherein for at least one terminal group of the one or more terminal groups:
the plurality of conductive elements comprises conductive elements of a first type and a second type;
the conductive elements of the first type have intermediate portions that bend through 90 degrees and contact tails configured for attachment to a printed circuit board; and
the conductive elements of the second type have contact tails configured for a cable termination.
20. The electrical connector of claim 19 , wherein, for the at least one terminal group of the one or more terminal groups:
the conductive elements of the second type have straight intermediate portions.