Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1984-03-30
1986-01-14
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333 21A, 333 241, H01P 512, H01P 117
Patent
active
045648247
ABSTRACT:
A phase-shifter apparatus which imposes a desired phase shift on an electromagnetic wave traveling through a waveguide, and divides the power in an output waveguide into two parts. The phase shifter apparatus includes a quarter-wave plate for changing the polarization of the linearly polarized wave to a circularly polarized wave, a rod of ferromagnetic material with a magnetic field for imposing a desired phase shift on the circularly polarized wave traveling through the rod, a quarter-wave plate for converting the circularly polarized wave to a linearly polarized wave, and a septum polarizer in the output wave guide for dividing the power. The output waveguide has the power divided between two ports, and independent phase shifts are imposed on the electromagnetic waves of each port.
REFERENCES:
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An article by the Inventor entitled, "Design of Ferrite Differential Phase Shift Sections," published in IEEE Cat. No. 75CH0955-5, May, 1975.
An article by Howard Scharfman entitled, "Three New Ferrite Phase Shifters," published in the Proceedings of the IRE, Oct. 1956, pp. 1456-1459.
A publication by the Assignee, Microwave Applications Group, entitled, Basic Information on Dual-Mode Phase Shifters.
Gensler Paul
Microwave Applications Group
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