| 摘要 |
A coaxial connector having a useful frequency range extended to 26.5 GHz is characterized by two separate dielectric support members. A first dielectric member is injection-molded into the annular space between the center conductor and the outer shell at a location rearward of the center conductor mating region. Injection molding provides positive longitudinal support for the center conductor without use of means such as epoxy or crimping which cause higher losses and introduces mismatches around the center conductor. A second dielectric member is press-fit into the shell to surround but not contact the center conductor in the mating region. The second dielectric member is contoured to support the center conductor during mating, to provide the desired characteristic impedance, and to compensate for distortion produced by the gap subsisting between the second dielectric members of a mated plug and jack.
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