Ferrite circulators and isolators and circuits incorporating the

Details Ferrite circulators and isolators and circuits incorporating the Ferrite circulators and isolators and circuits incorporating the

1976-02-17

1977-07-05

Gensler, Paul L.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 24, 333 11, 333 242, 333 95S, H04L 514, H04B 148, H01P 136, H01P 138

Patent

active

040343774

ABSTRACT:
A ferrite circulator for use in the frequency range 1 GHz to 1,000 GHz, wherein a ferrite cylinder is disposed in a junction of three equiangularly arranged high permittivity dielectric waveguides that are adjacent to a conductive image plane with a plastic film therebetween and a magnet establishing magnetic field in the ferrite cylinder normal to the image plane; also disclosed is a ferrite isolator for use in the frequency range from 1 GHz to 1,000 GHz including a ferrite slab disposed adjacent to one side of a high permittivity dielectric waveguide disposed adjacent to a conductive image plane with a plastic film therebetween, a resistance film disposed adjacent to a conductive image plane, a resistance film disposed adjacent to the ferrite slab, and a magnet for establishing a magnetic field in the waveguide and the ferrite slab disposed normal to the image plane; there further are disclosed switches, modulators, phase shifters and transceivers incorporating such ferrite circulators and isolators.

REFERENCES:
patent: 2946025 (1960-07-01), Miller
patent: 3076946 (1963-02-01), Hewitt, Jr.
patent: 3099794 (1963-07-01), Essam et al.
patent: 3103639 (1963-09-01), Reggia
patent: 3425001 (1969-01-01), Hershenov
patent: 3609675 (1971-09-01), Abele
patent: 3614670 (1971-10-01), Wilson
patent: 3922620 (1975-11-01), Deutsch
patent: 3995238 (1976-11-01), Knox et al.

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