Wave transmission lines and networks – Long line elements and components – Strip type
Patent
1995-06-23
1996-07-02
Gensler, Paul
Wave transmission lines and networks
Long line elements and components
Strip type
333116, 343700MS, H01P 502
Patent
active
055326439
ABSTRACT:
A manufacturably improved asymmetric stripline enhanced aperture coupler (10) is provided including a first non-transverse electromagnetic (non-TEM) field which couples an asymmetric stripline transmission line (22) to a coupling conductor (19) through a first aperture (17) in a first ground plane (16). The coupler (10) suppresses a second non-TEM field formed as an image on a second ground plane (15) by reducing the current flow on the second ground plane (15) using the asymmetric stripline transmission line (22) with increased coupling between a stripline conductor (12) and first ground plane (16) relative to coupling between stripline conductor (12) and second ground plane (15), particularly in the vicinity of the second non-TEM field using second aperture (14). The second non-TEM field is suppressed so as to enhance the coupling effect of the first non-TEM field between asymmetric stripline transmission line (22) and a coupling conductor (19).
REFERENCES:
patent: 3581243 (1971-05-01), Alford
patent: 3665480 (1972-05-01), Fassett
patent: 3771075 (1973-11-01), Phelan
patent: 3827054 (1974-07-01), Herskind
patent: 4737740 (1988-04-01), Millican et al.
patent: 5175560 (1992-12-01), Lucas et al.
Krenz Eric L.
Kuffner Stephen L.
Buford Kevin A.
Gensler Paul
Motorola Inc.
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