Waveguide directional coupler capable of propagating higher orde

Details Waveguide directional coupler capable of propagating higher orde Waveguide directional coupler capable of propagating higher orde

1998-04-08

2000-10-03

Lee, Benny

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333248, H01P 518

Patent

active

061279021

ABSTRACT:
A simply made and very broad band directional coupler includes a hollow middle section (CS) provided with an empty interaction space having two ends, one pair of hollow guides (H1, H3) coupled to one end of the interaction space, another pair of hollow guides coupled to another end of the interaction space and a coupler diaphragm (KB1, KB2, KB3, KB4) provided between the interaction space (KR) and each individual hollow guide coupled to it. Higher wave types (are consisting of TE11 and TM11 modes) propagated in the interaction space (KR) as well as a fundamental wave type (TE 10). Furthermore a height (h) of the interaction space is at least 2.5 times the smallest height (b) of a coupling diaphragm (KB1, KB2, KB3, KB4) so that a comparatively broad band directional coupler results.

REFERENCES:
patent: 2739287 (1956-03-01), Riblet
patent: 2876421 (1959-03-01), Riblet
patent: 3044026 (1962-07-01), Patterson
patent: 3614672 (1971-10-01), Newbould

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