FIELD: high and ultrahigh frequency equipment.
SUBSTANCE: invention is intended for creation of frequency-selective devices—filters. Device structurally consists of coupled resonators based on rectangular waveguide, in the center of which along the wide wall there are short-circuited loops, which are also sections of a rectangular waveguide.
EFFECT: obtaining high steepness of slopes of the amplitude-frequency characteristic with fewer links and lower losses in the pass band, simplifying the design and adjustment.
2 cl, 4 dwg
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