Quadrature hybrid low loss directional coupler

Details Quadrature hybrid low loss directional coupler Quadrature hybrid low loss directional coupler

2005-10-18

2005-10-18

Takaoka, Dean (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S238000

Reexamination Certificate

active

06956449

ABSTRACT:
A coupling device defined by an RF circuit board having a cavity formed therein and a plurality of conductive traces and a ground plane, a coupler board having opposites sides and conductive traces, and first and, second metal shields. When assembled, the coupler board is supported by the RF circuit board, and cavities are formed on opposite sides of the coupler board by the first and second metal shields.

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