Planar ferrite phase shifter

Details Planar ferrite phase shifter Planar ferrite phase shifter

1992-02-25

1993-06-29

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Nonreciprocal gyromagnetic type

333161, H01P 1215

Patent

active

052238083

ABSTRACT:
A microwave ferrite phase shifter wherein three parallel microstrip lines are disposed on a planar ferrite substrate surface opposite a ground plane disposed on an opposite planar surface of the substrate, the lines defining two sets of quadrature E-fields within the substrate to produce a circularly polarized wave therein, the amount of phase shift between the input and output ports of the phase shifter being determined by the magnitude of a magnetic field produced in the substrate in the direction of its axis by a current-carrying coil, for example.

REFERENCES:
patent: 3560893 (1971-02-01), Wen
patent: 3715692 (1973-02-01), Reuss, Jr.
patent: 4152676 (1979-05-01), Morgenthaler et al.
patent: 4985709 (1991-01-01), Nishikawa et al.

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