Disclosed is a capacitive non-directional coupler having a non-directional coupler printed circuit board (PCB) and a capacitive attenuator. The non-directional coupler PCB includes a coupler section configured to carry energy travelling on a main transmission line. The non-directional coupler PCB and the capacitive attenuator are configured as a capacitive voltage divider, and provide a sample of the energy on the main transmission line. Also disclosed is a method for measuring for measuring RF power using an RF power sensor having the capacitive non-directional coupler that includes with the non-directional coupler printed circuit board and the capacitive attenuator. Also disclosed is an RF power metering system that includes an RF power sensor having the capacitive non-directional coupler.

The present disclosure relates to an electronic device that includes a waveguide, a plurality of transceiving portions over the waveguide, and a cavity between the waveguide and the transceiving portions and connecting the waveguide with the transceiving portions. The cavity is configured for resonating of an electromagnetic wave from the waveguide or the transceiving portions.

Improved waveguides, transitions, and conductors for propagating electromagnetic energy. A device includes a waveguide port, two or more coaxial waveguides, and a transition disposed between the waveguide port and the two or more coaxial waveguides. The transition combines or divides electromagnetic energy propagating between the waveguide port and the two or more coaxial waveguides.

An active waveguide transition includes a waveguide defining a waveguide volume and including a back short wall at a first end. A first probe is mounted on the waveguide in an operable position extending into the waveguide volume, and a first RF electrical signal connector is mounted on the active waveguide transition. A first circuit assembly is mechanically coupled to an exterior surface of the waveguide, the circuit assembly including a first multi-layer ceramic substrate with an RF amplifier system mounted thereon. The RF amplifier system is electrically coupled to the multi-layer ceramic substrate, the first probe, and the first RF electrical signal connector to define an active first signal path for RF communication signals between the probe and first RF signal connector.

An active waveguide transition includes a waveguide defining a waveguide volume and including a back short wall at a first end. A first probe is mounted on the waveguide in an operable position extending into the waveguide volume, and a first RF electrical signal connector is mounted on the active waveguide transition. A first circuit assembly is mechanically coupled to an exterior surface of the waveguide, the circuit assembly including a first multi-layer ceramic substrate with an RF amplifier system mounted thereon. The RF amplifier system is electrically coupled to the multi-layer ceramic substrate, the first probe, and the first RF electrical signal connector to define an active first signal path for RF communication signals between the probe and first RF signal connector.

An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor and an elongated rail element slidably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.

An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor and an elongated rail element slidably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.

A printed circuit board is provided, comprising a horizontally extending dielectric substrate and a substrate integrated waveguide (SIW) having at least one ridge. The SIW comprises two horizontally disposed conductive ground planes spaced by a vertical distance, and two vertically disposed conductive fences spanning therebetween. The fences extend in a first horizontal direction, and are spaced from one another in a second horizontal direction, perpendicular to the first horizontal direction. At least one of the fences comprises a plurality of horizontally disposed conductive strips vertically spaced from one another and extending in the first horizontal direction. At least some of the conductive strips are ridge-strips constituting the ridge and extending in the second horizontal direction toward the other of the fences.

The present invention relates to a cavity filter including: an RF signal connecting portion spaced apart, by a predetermined distance, from an outer member having an electrode pad provided on a surface thereof; and a terminal portion configured to electrically connect the electrode pad of the outer member and the RF signal connecting portion so as to absorb assembly tolerance existing at the predetermined distance and to prevent disconnection of the electric flow between the electrode pad and the RF signal connecting portion, wherein a part of the terminal portion, positioned between the electrode pad and the RF signal connecting portion, is elastically deformed to absorb assembly tolerance existing in a terminal insertion port. Therefore, the cavity filter can efficiently absorb assembly tolerance which occurs through assembly design, and prevent disconnection of an electric flow, thereby preventing degradation in performance of an antenna device.

According to one embodiment, a transducer includes: a first conductive member; a substrate forming a first space with the first conductive member; a second conductive member opposed to the first conductive member via the substrate, and forming a second space with the substrate; first conductors electrically connecting the first conductive member with the second conductive member; a first transmission conductor in at least one of the first/the second spaces; and a second transmission conductor in at least one of the first space or the second space, and separated from the first transmission conductor, wherein the second conductive member includes a through hole through the second conductive member in a direction opposed to the first conductive member, and connecting to the second space, and an orthogonal projection of the through hole in the direction includes at least portion of each of the first/the second transmission conductor.