FIELD: radio equipment.
SUBSTANCE: invention relates to microwave radio engineering, particularly to devices for magnetostatic waves. Input / output multiplexer has a structure arranged on the substrate, comprising two linear microwave guides from an iron-yttrium garnet (YIG) film with microstrip antennae at the ends for exciting and receiving magnetostatic spin waves (MSW), and annular resonator MSW, arranged with a gap between microwave generators with possibility of providing multimode communication, source of control magnetic field. Surface MSW resonator is made of YIG film in form of rectangular closed loop, adjacent ribs of which are parallel to linear microwave guides, and width of circuit is equal to width of microwave guides, besides, magnetic field of control magnetic field source is directed in plane of structure.
EFFECT: technical result consists in creation of input / output multiplexer with possibility to control modes of device operation due to change of distribution configuration of internal magnetic field at variation of value and direction of external magnetic field.
1 cl, 7 dwg
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