A connecting unit for radio-frequency components has: a housing; a first interface and a second interface which are arranged on the housing and are designed to be coupled to in each case one radio-frequency component; an internal conductor which runs in the housing and is connected to the first interface and the second interface in order to establish a radio-frequency connection between the first interface and the second interface; a spacer which surrounds the internal conductor and extends at least along a portion of the length of the internal conductor. The housing is manufactured from an electrically conductive and rigid material and the spacer is arranged such that the internal conductor is at a distance from the housing at least in sections.

Spatial power-combining devices having amplifier connectors are disclosed. A spatial power-combining device structure includes a plate including a first face, a second face that opposes the first face, an exterior surface between the first face and the second face, and a plurality of amplifier connectors accessible at the exterior surface. A waveguide assembly is coupled to the plate at the first face, the waveguide assembly including an inner housing including a plurality of antenna signal conductors and an outer housing including a plurality of antenna ground conductors. A coaxial waveguide section is coupled to the waveguide assembly. The plurality of amplifier connectors may be radially arranged in the plate. A plurality of amplifier modules are on the exterior surface and coupled to corresponding ones of the plurality of amplifier connectors.

An assembly for a base station antenna arrangement includes: a radio having a cover with a hole and a printed circuit board (PCB) positioned below the cover, wherein the PCB has first and second contact pads; a pogo-pin connector having a spring-loaded inner contact and an outer contact that circumferentially surrounds the inner contact, wherein the inner contact extends through the hole in the cover and engages the first contact pad of the PCB; and a gasket formed of a conductive elastomer, the gasket including a lower ring and an upper ring, wherein the lower ring is positioned in the hole in the cover and engages the second contact pad of the PCB and the upper ring engages the outer contact to establish an electrical connection between the outer contact and the second contact pad, the gasket further including a skirt that extends radially outwardly from and circumferentially surrounds the upper ring, the skirt engaging the cover of the radio.

A transmission line arrangement having a first end and a second end, the transmission line arrangement being configured to transmit a signal between the first end and the second end, the transmission line arrangement comprising a signal conductor extending between the first end and the second end of the transmission line arrangement, a first conducting sheet and a second conducting sheet positioned on two opposing sides of the signal conductor, an insulating material separating the first and second conducting sheets from the signal conductor and a plurality of pieces of conducting material extending between the first and second conducting sheets and arranged at different positions between the first and second ends of the transmission line arrangement, wherein the pieces of conducting material and the conducting sheets are arranged to substantially surround the signal conductor for at least part of its length between the first and second ends of the transmission line arrangement.

In accordance with one or more embodiments, a coupling system includes a plurality of dielectric couplers configured to generate, responsive to first electromagnetic waves received via a hollow waveguide, second electromagnetic waves along a surface of a transmission medium, wherein the plurality of dielectric couplers each have an end at differing azimuthal orientations relative to the transmission medium and wherein the second electromagnetic waves propagate along the surface of the transmission medium without requiring an electrical return path. A controller is configured to control a generation of the first electromagnetic waves in accordance with a first set of phases, wherein the second electromagnetic waves generated by the plurality of dielectric couplers combine on the surface of the transmission medium to propagate via a first selected wave mode.

A coaxial frequency-separating connector of the present invention applies a first conducting element to receive a multi-frequency signal from a multi-frequency transmission element, and applies a multi-frequency dividing circuit to divide the multi-frequency signal to a plurality of different frequency signals such that the different frequency signals are respectively transmitted to the first coaxial cable and the second coaxial cable of a second conducting element. Furthermore, a first frequency contacting end to which a first RF element is connected and a second frequency contacting end to which a second RF element is connected are respectively connected on one end of the first coaxial cable and one end of the second coaxial cable. Accordingly, two RF elements with two different frequency bands can use only one coaxial frequency-separating connector to connect to a transmission element.

Provided are coaxial transmission line microstructures formed by a sequential build process, and methods of forming such microstructures. The microstructures include a transition structure for transitioning between the coaxial transmission line and an electrical connector. The microstructures have particular applicability to devices for transmitting electromagnetic energy and other electronic signals.

An antenna feeding network for a multi radiator antenna is provided. The antenna feeding network comprises at least one coaxial line. Each coaxial line comprises a central inner conductor and an elongated outer conductor surrounding the central inner conductor, wherein at least one of the outer conductors of the coaxial lines is provided with an opening, wherein the antenna feeding network further comprises at least one nonconductive holding element configured to be placed in the opening. The holding element is configured to hold at least one of the inner conductors in position. The invention further relates to a multi radiator antenna comprising such an antenna feeding network, and to a method for providing an electrical connection in such an antenna feeding network.

In accordance with embodiments disclosed herein, there is provided a high-density low-loss cable and connector assembly. A cable assembly includes a first cable connector, a bulk cable section, and a first cable transition section. The bulk cable section includes a first plurality of conductive wires of a first wire thickness. The first cable transition section includes a second plurality of conductive wires that has a first distal end connected to the bulk cable section and a second distal end connected to the first cable connector. Each of the second plurality of conductive wires transitions from the first wire thickness at the first distal end to a second wire thickness that is less than the first wire thickness at the second distal end. Each of the second plurality of conductive wires in the first distal end is connected to a corresponding conductive wire of the first plurality of conductive wires.

An antenna feeding network for a multi-radiator antenna, the antenna feeding network comprising at least two coaxial lines, wherein each coaxial line comprises an elongated central inner conductor and an elongated outer conductor surrounding the central inner conductor. At least one connector device is configured to interconnect at least a first inner conductor and a second inner conductor of the central inner conductors. The connector device comprises at least one engaging portion, each being configured to engage with at least one corresponding surface portion formed on the envelope surface of the first or second inner conductor. The envelope surface is furthermore provided with at least one recess provided adjacent at least one surface portion.