Wave transmission lines and networks – Plural channel systems – Nonreciprocal gyromagnetic type
Patent
1974-05-15
1977-05-31
Gensler, Paul L.
Wave transmission lines and networks
Plural channel systems
Nonreciprocal gyromagnetic type
333 242, 333 84R, H01P 138, H01P 136
Patent
active
040272532
ABSTRACT:
A broadband slot line non reciprocal microwave device which comprises a matched load placed on the face of a ferrite plate which is located within the microwave magnetic field of the slot line, said face being opposite to said slot and designed so that its height is larger than 3 times the width of the slot and its length is at least equal to a half wavelength as propagated within the slot at the maximum operating frequency. Said matched load may be a second slot line or a lossy ferrite plate. The device operates as an isolator with more than 20 dB isolation. It can be designed as a four port circulator.
REFERENCES:
patent: 3602845 (1970-01-01), Agrios et al.
patent: 3845413 (1974-10-01), Chiron et al.
Chiron Bernard
de Vecchis Michel
Gensler Paul L.
Societe Lignes Telegraphiques et Telephoniques
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