3dB directional coupler

Details 3dB directional coupler 3dB directional coupler

1987-05-14

1988-06-28

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333116, H01P 518

Patent

active

047542411

ABSTRACT:
A 3dB directional coupler includes a housing accommodating two spaced apart coupling lines connecting the inner conductors of coaxial lines and coupled to each other via a coupling aperture in a partition wall which extends in said housing. The housing is thus divided into two housing parts whose cross section is defined by a long side and a short side the difference of which substantially corresponds to the width of each coupling line while the cross sectional circumference of each coupling line corresponds essentially to the circumference of the inner conductors. Outside the coupling path, the coupling lines are provided with homogenous sections of sufficient length to reduce field inhomogeneities before the coupling path.

REFERENCES:
patent: 3166723 (1965-01-01), Bock et al.
patent: 3363201 (1968-01-01), Isaacson
patent: 4539534 (1985-09-01), Hudspeth et al.

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