Dielectric waveguide line and its branch structure

Details Dielectric waveguide line and its branch structure Dielectric waveguide line and its branch structure

1998-08-20

2000-05-02

Bettendorf, Justin P.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333239, H01P 316

Patent

active

060577479

ABSTRACT:
A high-frequency dielectric waveguide line comprising a dielectric substrate with two conductor layers on its two surfaces, and a plurality of rows of through conductors in the substrate connecting the two conductor layers. The distances between the through conductors in each row are no more than half of the wavelength of the signal transmitted in the transmission direction of the waveguide. The waveguide line has a branching portion where a first waveguide line having a width d branches into second and third parallel waveguide lines both of width d. The portion of the waveguide at the branching point has a width of A, where 2d.ltoreq.A.ltoreq.3d. The first, second and third waveguide lines are connected without abrupt width enlargement. The branching waveguide line have small transmission losses for high-frequency signals.

REFERENCES:
patent: 2628311 (1953-02-01), Lindenblad
patent: 3771077 (1973-11-01), Tischer
patent: 5532661 (1996-07-01), Lagerlof

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