Waveguide directional coupler

Details Waveguide directional coupler Waveguide directional coupler

1976-02-27

1977-07-05

Gensler, Paul L.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 98R, H01P 518

Patent

active

040343154

ABSTRACT:
A waveguide junction for joining together two pairs of rectangular waveguide arms, each pair being connected to present a corner connection, to form a directional coupler in which the four arms are arranged to define a cross, the junction being composed of an element constituting a partially radiation-permeable obstacle oriented diagonally to all of the waveguide arms and two waveguide sections each disposed between a respective side of the obstacle and a respective pair of waveguide arms and dimensioned so as to match the impedance at the surfaces of the obstacle to the values required at the corner connections in a manner to permit the coupler to operate in a frequency range which permits propagation of the desired waveguide mode while spurious modes excited in the coupler are evanescent.

REFERENCES:
patent: 3579148 (1971-05-01), Blume
patent: 3741625 (1973-06-01), Saleh

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