Wave transmission lines and networks – Long line elements and components – Connectors and interconnections
Reexamination Certificate
2006-05-09
2006-05-09
Jones, Stephen E. (Department: 2817)
Wave transmission lines and networks
Long line elements and components
Connectors and interconnections
C333S033000, C439S581000, C439S063000
Reexamination Certificate
active
07042318
ABSTRACT:
A coaxial interface to a planar transmission structure of a printed circuit board (“PCB”) is provided in a shielded edge launch connector. The shielded edge launch connector is suitable for use in surface mount technology (“SMT”) applications. A center pin of the shielded edge launch connector is soldered to a solder pad on the PCB, which couples the center pin to a center conductor of the planar transmission structure. Shielding incorporated in the shielded edge launch connector is soldered to ground areas on a surface of PCB, electromagnetically shielding the center and providing a ground path to wrap ground current around the center pin from the surface of the PCB. Wrapping the ground current to a surface of the PCB reduces the sensitivity of the high-frequency performance of the system to PCB thickness and edge tolerances, providing improved impedance continuity.
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Barnes Heidi L.
Ward, III Marshall G.
Willits Al
Agilent Technologie,s Inc.
Jones Stephen E.
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