FIELD: radio engineering and communications.
SUBSTANCE: invention relates to radio engineering, particularly to transitions between substrate integrated waveguide (SIW) and waveguide and/or antenna structure. Device contains the first conducting plate and the second conducting plate. SIW is located on said first conductive plate, and impedance matching structure is connected to second conductive plate. To switch between SIW and the waveguide structure, the impedance matching structure is continued by an open protrusion with a length λg/4 for impedance inverting, in order to effectively provide an unclosed connection, thereby electromagnetically coupling the electromagnetic field between the SIW and the impedance matching structure, which is configured such that when the first and second conductive plates are connected to each other or simply assembled by the contactless method in the case of slot structures, then open ledge with length λg/4 is located above the SIW without any galvanic contact between the SIW and the impedance matching structure and between the SIW and the protrusion with length λg/4, providing flat non-contact transfer.
EFFECT: reduction of overall dimensions of antenna.
33 cl, 13 dwg
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Authors
Dates
2019-10-21—Published
2017-01-18—Filed