Henry Doyle Marshall

US Patent:

46059156, Aug 12, 1986

Filed:

Jul 9, 1984

Appl. No.:

6/629121

Inventors:

Henry D. Marshall - Ramona CA
Jeffrey K. Iida - La Jolla CA
Douglas J. Crow - Santee CA
Lawrence O. Friend - San Diego CA

Assignee:

Cubic Corporation - San Diego CA

International Classification:

H01P 308

US Classification:

333238

Abstract:

An electromagnetically-decoupled stripline circuit on a conventional circuitboard includes a center groundplane and two coplanar striplines that are sandwiched within a dielectric material between two outer groundplanes. A plurality of connectors conductively interconnect the groundplanes. The center groundplane has a decoupling strip portion lying between the striplines that is split in two by a gap. The gap traverses the direction an electromagnetic field would propagate from one of the striplines toward the other, and a pair of the connectors are positioned to straddle the gap. Z-wires, plated-through holes, and additional gaps may be employed.