Digital, small signal and RF microwave coaxial subminiature push-on differential pair system

• US 8,568,163 B2
• Filed: 03/28/2011
• Issued: 10/29/2013
• Est. Priority Date: 03/29/2010
• Status: Active Grant

• Current Assignee: Corning Optical Communications RF, LLC (Corning Incorporated)
• Original Assignee: Corning Gilbert Incorporated (Corning Incorporated)
• Inventors: Burris, Donald Andrew, Flaherty, Thomas E, Stein, Casey Roy
• Primary Examiner(s): Paumen, Gary F.
• Application Number:
  US13/073,323
• Publication Number:
  US 20110237123A1
• Time in Patent Office: 946 Days
• Field of Search: 439578-585, 439/825, 439/108
• US Class Current: 439/578
• CPC Class Codes: H01R 13/6277 comprising annular latching means, e.g. ring snapping in an annular groove
• CPC Class Codes: H01R 13/6456 comprising keying elements at different positions along the periphery of the connector
• CPC Class Codes: H01R 31/06 Intermediate parts for linking two coupling parts, e.g. adapter with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/94

Abstract

The differential pair system includes a push-on high frequency differential interconnect and push-on high frequency differential connector. The system allows for blind mating of the two components, using a keying system for the two electrical conductors to be axially and radially aligned.

Claims

1. A push-on high frequency differential interconnect comprising:

a tubular body having a central opening, a first end, and a second end, the first end and second end are segmented into a plurality of segmented portions, the plurality of segmented portions biased radially outward to engage and retain a corresponding connector, at least one gap extending between two adjacent segmented portions to provide a key for the corresponding connector;

a dielectric member disposed in the central opening of the tubular body, the dielectric member having two openings therein to receive two electrical conductors; and

an electrical conductor disposed in each of the two openings in the dielectric member.

2. The push-on high frequency differential interconnect according to claim 1, the at least one gap extending between two adjacent segmented portions comprises two gaps between two different adjacent segmented portions.

3. The push-on high frequency differential interconnect according to claim 1, wherein the two openings in the dielectric member and the at least one gap lie on a single plane.

4. The push-on high frequency differential interconnect according to claim 1, wherein the two conductors, when connected, have a combined 100 Ω

impedance between the conductors.

5. The push-on high frequency differential interconnect according to claim 1, wherein the two conductors have a female configuration.

6. A push-on high frequency differential connector comprising:

an outer body having an outer surface, an inner surface, a front end, and a back end, the inner surface defining an opening extending between the front end and the back end;

a dielectric member inserted into the opening at the back end of the outer body, the dielectric member having two openings therein;

two electrical contacts disposed in the openings in the dielectric member, the electrical contacts extending towards the front end and beyond a front end of dielectric member;

a dielectric spacer engaging the two electrical contacts beyond the outer surface of the outer body; and

an alignment member extending radially downward from the inner surface of the outer body to engage a corresponding gap in an interconnect to align electrical contacts with the interconnect.

7. The push-on high frequency differential connector according to claim 6, further comprising a second alignment member extending radially downward from the inner surface of the outer body, the alignment members disposed on opposite sides of the opening.

8. The push-on high frequency differential connector according to claim 6, wherein the two electrical contacts and the alignment member lie on a single plane.

9. The push-on high frequency differential connector according to claim 6, wherein the inner surface at the front end of the outer body has a chamfer to assist in engaging the connector sleeve.

10. The push-on high frequency differential connector according to claim 6, wherein the electrical contacts turn through an angle of about 90°

adjacent the back end of the outer body and extend radially outward from the opening beyond the outer surface.

11. The push-on high frequency differential connector according to claim 6, wherein the contacts have a male configuration.

12. The push-on high frequency differential connector according to claim 6, wherein the contacts have a female configuration.

13. The push-on high frequency differential connector according to claim 6, wherein the outside surface is generally circular in cross section.

14. The push-on high frequency differential connector according to claim 6, wherein the dielectric spacer and the dielectric member are a unitary element.

15. A push-on high frequency differential pair system comprising:

push-on high frequency differential interconnect comprising;

a tubular body having a central opening, a first end, and a second end, the first end and second end are segmented into a plurality of segmented portions, the plurality of segmented portions biased radially outward to engage and retain a corresponding connector, at least one gap extending between two adjacent segmented portions to provide a key for the corresponding connector;

a dielectric member disposed in the central opening of the tubular body, the dielectric member having two openings therein to receive two electrical conductors; and

an electrical conductor disposed in each of the two openings in the dielectric member; and

a push-on high frequency differential connector comprising;

an outer body having an outer surface, an inner surface, a front end, and a back end, the inner surface defining an opening extending between the front end and the back end;

a dielectric member inserted into the opening at the back end of the outer body, the dielectric member having two openings therein;

two electrical contacts disposed in the openings in the dielectric member, the electrical contacts extending towards the front end and beyond a front end of dielectric member;

a dielectric spacer engaging the two electrical contacts beyond the outer surface of the outer body; and

an alignment member extending radially downward from the inner surface of the outer body to engage a corresponding gap in an interconnect to align electrical contacts with the interconnect.

16. The push-on high frequency differential connector according to claim 15, wherein the dielectric spacer and the dielectric member are a unitary element.