V.D. Zakharkin1, I.S. Formalnov2

1,2 PJSC “Radiofizika” (Moscow, Russia)

1 zacharkin.v@mail.ru; 2 formalnov@mail.ru

This study examines the issues of sealing radar and connected receiving and transmitting modules (TRM) that require connection to a waveguide path. The currently known methods of sealing a waveguide channel involve the use of special sealing waveguide windows or sealed waveguide-microstrip junctions, which leads to an increase in the mass and dimensional characteristics and cost of TRM.

In the course of this study, two constructive solutions to the problem of sealing waveguide channels for sealed TRM are proposed. The first solution involves the use of a radio–transparent insert made of dielectric material as a sealing element. The second design solution involves the use of the printed circuit board itself, on which the PCB is implemented, as a sealing radio-transparent insert made of dielectric material.

This article also provides graphical dependences of the retention time of various gases used in sealing in the internal volume of the TRM housing for the considered dielectric materials.

The presented design solutions and the obtained graphical dependences of the retention time of various gases used in sealing on the internal volume of the housing for the considered dielectric materials can be used to solve the problem of sealing waveguide channels in the enclosures of radar and connected TRM.

Zakharkin V.D., Formalnov I.S. Sealing of waveguide-microstrip junctions for sealing onboard radar and communications equipment. Radiotekhnika. 2025. V. 89. № 4. P. 52−60. DOI: https://doi.org/10.18127/j00338486-202504-05 (In Russian)

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