Microwave transmission devices comprising gyromagnetic material

Details Microwave transmission devices comprising gyromagnetic material Microwave transmission devices comprising gyromagnetic material

1981-08-12

1983-06-28

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Nonreciprocal gyromagnetic type

333 242, 333204, H01P 1387, H01P 136, H01P 1218

Patent

active

043908535

ABSTRACT:
A multi-port microwave device, such as an isolator or circulator, for transmission of electromagnetic energy in TEM and higher order modes non-reciprocally between parts. The device exhibits low insertion loss, high return loss (low VSWR) and high isolation and is operable over a 100 percent or more bandwidth. The microwave device includes a composite ferrite body between a circuit conductor and a ground plane. The composite ferrite body includes ferrite material having a saturation magnetization gradient for providing different frequency characteristics over the frequency pass band of the device.

REFERENCES:
patent: 3295074 (1966-12-01), Carr
patent: 4122418 (1978-10-01), Nagao
patent: 4186357 (1980-01-01), Forterre et al.

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