Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1989-09-27
1991-04-16
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333238, H01P 518
Patent
active
050086391
ABSTRACT:
A coupler circuit (22) is provided including a substrate (24) having a base conductor (26) connected thereto. A conductive layer (28) is adjacent the substrate (24) and separated from conductors (32, 34) by a dielectric layer (30). The conductive layer (28) is operable to electromagnetically couple the first conductor (32) to the second conductor (34).
REFERENCES:
patent: 3512110 (1970-05-01), Clar
patent: 3575674 (1971-04-01), Howe, Jr.
patent: 4375054 (1983-02-01), Pavio
patent: 4673958 (1987-06-01), Bagraktaroglu
patent: 4809356 (1989-02-01), Peckham et al.
Sachse, A Wide-Band 3-DB Coupler, etc., 1973 European Microwave Conference, vol. I, 4-7 Sept. 1973, Brussels, Belgium.
Malherbe et al., Directional Couplers Using Semi-Re-Entrant Coupled Lines, Microwave Journal, Nov. 1987.
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