Embodiments of the present disclosure provide an antenna assembly for a test system. The antenna assembly includes a feedthrough part, two waveguide inputs, a single waveguide output as well as a multiplexing part that is interconnected between the two waveguide inputs and the single waveguide output. The multiplexing part is integrated within the feedthrough part at least partially. Moreover, embodiments of the present disclosure provide a test system and a method of establishing a test system for testing a device under test.

Embodiments of the present disclosure provide an antenna assembly for a test system. The antenna assembly includes a feedthrough part, two waveguide inputs, a single waveguide output as well as a multiplexing part that is interconnected between the two waveguide inputs and the single waveguide output. The multiplexing part is integrated within the feedthrough part at least partially. Moreover, embodiments of the present disclosure provide a test system and a method of establishing a test system for testing a device under test.

A power splitter comprises at least two mutually parallel lateral waveguides with rectangular cross-section and a transverse waveguide with rectangular cross-section comprising two opposite ends respectively connected to the two lateral waveguides. The two lateral waveguides are oriented along a direction Y and mounted flat with their large side parallel to a plane XY, the transverse waveguide is oriented along a direction X perpendicular to the direction Y and mounted edgewise with its small side parallel to the plane XY, and each lateral waveguide is coupled to the transverse waveguide by a tee coupler in the E-plane with embedded junction, the two ends of the transverse waveguide being respectively embedded in each lateral waveguide, at the center of the said respective lateral waveguide.

A power splitter comprises at least two mutually parallel lateral waveguides with rectangular cross-section and a transverse waveguide with rectangular cross-section comprising two opposite ends respectively connected to the two lateral waveguides. The two lateral waveguides are oriented along a direction Y and mounted flat with their large side parallel to a plane XY, the transverse waveguide is oriented along a direction X perpendicular to the direction Y and mounted edgewise with its small side parallel to the plane XY, and each lateral waveguide is coupled to the transverse waveguide by a tee coupler in the E-plane with embedded junction, the two ends of the transverse waveguide being respectively embedded in each lateral waveguide, at the center of the said respective lateral waveguide.

A TEM-line network architecture for RF components used in antenna system, includes an electrically conductive main body forming an outer conductor defining a signal channel, and an electrically conductive center conductor electrically grounded to the main body at predetermined locations. The center conductor is electromagnetically isolated from the outer conductor at RF frequencies while being connected and supported within the signal channel only at at least one of the predetermined locations. The outer conductor is preferably formed of three layers with the center conductor being integral with one of the layers.

An antenna system for triple-band satellite communication according to one exemplary embodiment of the present disclosure includes a feed horn device that is configured to simultaneously radiate or absorb wireless signals of triple bands including X, Ku and Ka bands, and a waveguide section that is coupled to the feed horn device and configured to transmit input and output of the wireless signals, wherein the feed horn device includes a corrugation horn that is configured to radiate or absorb the wireless signals of the X and Ku bands, the corrugation horn having a bell-like shape with a plurality of corrugations formed on an inner circumferential surface thereof in a stepped manner, and a dielectric feed horn that is configured to radiate or absorb the wireless signal corresponding to the Ku band and disposed in a central region of the corrugation horn.

An antenna system for triple-band satellite communication according to one exemplary embodiment of the present disclosure includes a feed horn device that is configured to simultaneously radiate or absorb wireless signals of triple bands including X, Ku and Ka bands, and a waveguide section that is coupled to the feed horn device and configured to transmit input and output of the wireless signals, wherein the feed horn device includes a corrugation horn that is configured to radiate or absorb the wireless signals of the X and Ku bands, the corrugation horn having a bell-like shape with a plurality of corrugations formed on an inner circumferential surface thereof in a stepped manner, and a dielectric feed horn that is configured to radiate or absorb the wireless signal corresponding to the Ku band and disposed in a central region of the corrugation horn.

The compact excitation module comprises two radiofrequency RF exciters and a rotary joint coupled together along a common longitudinal axis, the rotary joint comprising two distinct parts, respectively fixed and rotating around the common longitudinal axis, the two radiofrequency exciters being mounted one on each side of the rotary joint, respectively on the fixed and rotating parts, and axially coupled together by the rotary joint. The compact excitation module further comprises a rotary actuator provided with an axial transverse opening, the rotary joint being housed in the axial transverse opening of the rotary actuator.

The compact excitation module comprises two radiofrequency RF exciters and a rotary joint coupled together along a common longitudinal axis, the rotary joint comprising two distinct parts, respectively fixed and rotating around the common longitudinal axis, the two radiofrequency exciters being mounted one on each side of the rotary joint, respectively on the fixed and rotating parts, and axially coupled together by the rotary joint. The compact excitation module further comprises a rotary actuator provided with an axial transverse opening, the rotary joint being housed in the axial transverse opening of the rotary actuator.

In an example embodiment, a waveguide device comprises: a first common waveguide; a polarizer section, the polarizer section including a conductive septum dividing the first common waveguide into a first divided waveguide portion and a second waveguide divided portion; a second waveguide coupled to the first divided waveguide portion of the polarizer section; a third waveguide coupled to the second divided waveguide portion of the polarizer section; and a dielectric insert. The dielectric insert includes a first dielectric portion partially filling the polarizer section. The conductive septum and the dielectric portion convert a signal between a polarized state in the first common waveguide and a first polarization component in the second waveguide and a second polarization component in the third waveguide.