FIELD: electricity.
SUBSTANCE: to waveguide structure with permitted and forbidden bands containing diaphragm with frame coupling elements placed at both sides of the diaphragm and semiconductor element with electrically controlled conductivity at least one irregularity of a rod-with-gap type is introduced to at least one frame element, and semiconductor element with electrically controlled conductivity is placed into the gap of this irregularity.
EFFECT: development of waveguide SHF structure with electrically controlled specifications for permitted and forbidden bands at reduced direct losses.
5 dwg
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