Electrical connectors – Including or for use with coaxial cable
Patent
1991-10-18
1992-12-01
Pirlot, David L.
Electrical connectors
Including or for use with coaxial cable
439752, H01R 1704
Patent
active
051675323
ABSTRACT:
A captivation assembly for supporting and retaining a center contact of a coaxial connector includes a plurality of dielectric elements, preferably three, captured in concave seats in a contact support member which is located on the axis of the connector and to which the center contact is secured. These concave seats face radially outwardly on the contact support member and are uniformly angularly spaced about the axis of the connector. A retainer ring of generally hollow cylindrical configuration is included in the assembly of the outer conductive body of the connector. This retainer ring encircles the assembly of dielectric elements for retaining them in their respective seats in supporting and holding relationship. The captivation assembly desirably minimizes the amount of dielectric material while securely supporting and holding the center contact for resisting displacement of the center contact both radially and axially. By virtue of its minimized dielectric material, the coaxial connector is adapted for successful operation at gigaHertz frequencies. The dielectric elements are shown as short cylindrical elements each having an axial through hole for reducing the overall effective dielectric constant of the captivation assembly. In one embodiment of these dielectric elements, such through hole is enlarged at each axial end by a counterbore for creating an increased air section for providing an electrical compensation zone.
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Page I 51 of Catalog of Radiall, Inc., "SMA 2.9 General"--Copyright date 1989.
Bruno Saverio T.
Critelli David J.
Insulated Wire Incorporated
Pirlot David L.
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