H - Electricity – 01 – P
Patent
H - Electricity
01
P
333/30
H01P 1/18 (2006.01) H01P 1/19 (2006.01)
Patent
CA 1042522
MONOLITHIC RECIPROCAL LATCHING FERRITE PHASE SHIFTER ABSTRACT OF THE DISCLOSURE A reciprocal latching ferrite phase shifter is fashioned from a single slab of ferrite material, such that the phase shifter comprises a monolithic ferrite structure, providing the overall functional characteristics of the phase shifter through an integrated combination of individual portions of the mono- lithic structure. The reciprocal function of the monolithic phase shifter assembly is provided through the use of dual non-reciprocal phase shifters connected in parallel, such that separate paths and selected phase shifts of zero to 360° for linearly polarized transverse electric microwaves having oper- ating frequencies in the range of two to 100 GHz, are provided for waves propagating in opposite directions. The non-recip- rocal phase shifters are comprised of Faraday rotators having external electromagnetic windings in combination with reciprocal circular polarizers, with the residual magnetism characteristics of the ferrite Farsday rotator providing the latching char- acteristic, while magnetic circulators and quarter wave matching sections provide directional coupling and impedance matching for the linearly polarized wave in the connecting waveguides. -1-
245471
Smith Peter W.
Soong An-Hwa
LandOfFree
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