Miniature high performance coupler

Details Miniature high performance coupler Miniature high performance coupler

2006-04-18

2006-04-18

Takaoka, Dean (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S116000

Reexamination Certificate

active

07030713

ABSTRACT:
A coupler that has a small package size and is adjustable after manufacturing. A coupler has a substrate with several dielectric layers and a top and bottom surface. A ground plane is located on the top surface and another ground plane is located on the bottom surface. A pair of coupled circuit lines are located within the substrate. Conductive vias extend between the layers and provide an electrical connection between the ground planes and the circuit lines. The top ground plane has several segments joined by links. The top ground plane can be modified to adjust the coupling between the coupled circuit lines by deleting one or more of the links. The links can be used to adjust the coupling after the coupler has been manufactured.

REFERENCES:
patent: 3869585 (1975-03-01), Snyder
patent: 6686812 (2004-02-01), Gilbert et al.
patent: 6765455 (2004-07-01), De Lillo et al.
patent: 6806789 (2004-10-01), Bawell et al.
patent: 6819200 (2004-11-01), Zhao et al.

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