VHF high-power broadband isolators

Details VHF high-power broadband isolators VHF high-power broadband isolators

1976-06-29

1977-06-21

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Nonreciprocal gyromagnetic type

333 84M, H01P 136

Patent

active

040314898

ABSTRACT:
A high level broadband VHF isolator using surface propagation made of the waves comprises two gyromagnetic slabs on both sides of a planar metal sheet acting as a double mode transformer or wave launcher between the two terminals of the isolator and the gyromagnetic medium and magnetizing means. The width of the mode transformer is smaller than that of the slabs and radiating slots are provided along at least one side parallel to the propagation direction. The magnetizing field value corresponds to the gyromagnetic resonance at the mid-frequency of the operating band in the neighborhood of the slots and lower elsewhere. Magnetic means are provided to compensate for the temperature variation of the ferrite properties.

REFERENCES:
patent: 3845413 (1974-10-01), Chiron et al.
patent: 3886502 (1975-05-01), Radding et al.

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