Entry port systems for connecting co-axial cables to printed cir

Details Entry port systems for connecting co-axial cables to printed cir Entry port systems for connecting co-axial cables to printed cir

1994-08-30

1997-09-23

Kincaid, Kristine L.

Electricity: conductors and insulators

Boxes and housings

With grounding means

174 65R, 439 95, 439578, 439581, H05K 502

Patent

active

056707444

ABSTRACT:
An entry port system for connecting a co-axial cable to a printed circuit board within a housing has a terminating connector on the cable at the exterior of the housing and a connector member within the housing and connected to the cable shield. The printed circuit board is secured to the connector member so as to be supported and grounded thereby. A terminal, mounted on the printed circuit board, holds a central conductor of the terminating conductor, which extends through a passage in the connector member, at a spacing from the connector member, so that an air gap surrounds the central conductor in the passage. The size of the air gap is selected so that the entry port system acts as a co-axial transmission system having an impedance substantially equal to that of the cable.

REFERENCES:
patent: 3486161 (1969-12-01), Kraus et al.
patent: 4035054 (1977-07-01), Lattanzi
patent: 4342496 (1982-08-01), Hutter et al.
patent: 4426127 (1984-01-01), Kubota
patent: 4851609 (1989-07-01), Reddy
patent: 5203079 (1993-04-01), Brinkman et al.
patent: 5281762 (1994-01-01), Long et al.
patent: 5312271 (1994-05-01), Matsumoto et al.
patent: 5466167 (1995-11-01), Scherer
patent: 5477159 (1995-12-01), Hamling

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