Abstract: It is provided a waveguide E-plane band-pass filter comprising a tubular, electrically conductive waveguide body. An electrically conductive foil is arranged in the waveguide body and extending along a longitudinal direction of the waveguide body, the foil comprising a plurality of resonator openings. Furthermore, the waveguide body comprises at least one ridge protruding from an inner wall of the waveguide body and extending longitudinally along the longitudinal direction of the waveguide body. The foil is in mechanical contact with said at least one ridge and arranged to divide an inner volume of the waveguide body into two portions. It is also provided a diplexer, a radio transceiver, and a method for filtering a signal using such a filter.

Abstract: An antenna arrangement comprising a SIW with at least one radiating arrangement. The SIW comprises a dielectric material, a first and second metal layer and a first and second electric wall element running essentially parallel and electrically connecting the metal layers. For each radiating arrangement, the antenna arrangement comprises at least one coupling aperture in the first metal layer, and for each coupling aperture there is a third wall element running between the first and second electric wall elements, across a SIW longitudinal extension (es). For each radiating arrangement, the antenna arrangement further comprises an at least partly electrically conducting antenna component which comprises at least four radiating elements and is surface-mounted on the first metal layer, enclosing at least one coupling aperture. For each radiating arrangement, electromagnetic signals are arranged to be transmitted between said coupling aperture and said radiating elements.

Abstract: The present invention relates to a microwave signal transition component (1) having a first signal conductor side (2) and a second signal conductor side (3). The signal transition component (1) is arranged for transfer of microwave signals from the first signal conductor side (2) to the second signal conductor side (3). The transfer component (1) comprises at least one, at least partly circumferentially running, electrically conducting frame (4), a dielectric filling (5) positioned at least partly within said conducting frame (4), at least one filling aperture (6; 6a, 6b) miming through the dielectric filling, and, for each filling aperture (6; 6a, 6b), an electrically conducting connection (7; 7a, 7b) that at least partly is positioned within said filling aperture (6; 6a, 6b). The present invention also relates to a method for manufacturing a microwave signal transition component according to the above.

Abstract: The present invention relates to a tuneable waveguide structure comprising a first, second, third and fourth electrically conducting inner wall. The first inner wall and the second inner wall are facing each other, and the third inner wall and the fourth inner wall are facing each other, the intended extension of the electrical field is parallel to the first inner wall and the second inner wall, and perpendicular to the third inner wall and the fourth inner wall. The waveguide structure comprises at least one tuning device that comprises a wall part that is movably arranged along an extension that is perpendicular to the intended extension of the electrical field. Each wall part is at least indirectly connected to support rods that are in sliding engagement with a corresponding sloped surface that is laterally adjustable in the extension of the slope. Each wall part may be constituted by an electrically conducting foil.

Abstract: A method for predicting the performance of a Line-Of-Sight, LOS, multiple-input multiple-output, MIMO, radio link, the method comprising the steps of determining a single-input single-output, SISO, radio link operating condition comprising a SISO system gain, and calculating a LOS-MIMO incremental gain of the LOS-MIMO radio link, as well as modifying the determined SISO radio link operating condition by accounting for the calculated LOS-MIMO incremental gain in the SISO system gain to obtain a LOS-MIMO radio link operating condition comprising a LOS-MIMO system gain, and also obtaining a set of operating condition requirements of the LOS-MIMO radio link. The method also comprising the step of predicting the LOS-MIMO radio link performance by comparing the LOS-MIMO radio link operating condition to the operating condition requirements of the LOS-MIMO radio link.

Abstract: An antenna arrangement comprising a SIW with at least one radiating arrangement. The SIW comprises a dielectric material, a first and second metal layer and a first and second electric wall element running essentially parallel and electrically connecting the metal layers. For each radiating arrangement, the antenna arrangement comprises at least one coupling aperture in the first metal layer, and for each coupling aperture there is a third wall element running between the first and second electric wall elements, across a SIW longitudinal extension (es). For each radiating arrangement, the antenna arrangement further comprises an at least partly electrically conducting antenna component which comprises at least four radiating elements and is surface-mounted on the first metal layer, enclosing at least one coupling aperture. For each radiating arrangement, electromagnetic signals are arranged to be transmitted between said coupling aperture and said radiating elements.

Abstract: The present invention relates to atransition arrangement (1) between a SIW and a waveguide interface (3). The SIW comprises a dielectric material (4), a first and second metal layer (5, 6) and a first and second electric wall element (7a, 7b) running essentially parallel and electrically connecting the metal layers (5, 6). The transition arrangement (1) comprises a coupling aperture (8) in the first metal layer (5) and a third wall element (7c) running between the first and second electric wall elements (7a, 7b). The transition arrangement (1) further comprises an intermediate transition element (9) with a first and second main surface (10, 11), and a transition aperture (12) having first and second opening (13, 14) with corresponding first and second widths (w1, w2).

Abstract: The present invention relates to a waveguide tuning device (1) arranged for mounting in a waveguide structure (2) which has a longitudinal extension (L) and comprises a first inner wall (3), a second inner wall (4), a third inner wall (5) and a fourth inner wall. The inner walls are arranged such that a rectangular cross-section is obtained for the waveguide structure. The first inner wall (3) and the second inner wall (4) have a first length (b) and are facing each other. The third inner wall (5) and the fourth inner wall (6) have a second length (a) and are facing each other. The electrical field (E) is parallel to the main surfaces of the first inner wall (3) and the second inner wall (4). The tuning device (1) is electrically controllable and arranged for mounting at the first inner wall (3) and/or the second inner wall (4). The present invention also relates to a tunable waveguide structure.

Abstract: A five-six-port circuit comprising a waveguide on a main surface of a substrate. The hollow waveguide comprises probes arranged longitudinally inside the hollow waveguide arranged to contact the input port of one of three power detectors, whose output ports are arranged to contact the input port of one power detector. The output ports of the power detectors contact the conductor of an open waveguide which extends in parallel to the hollow waveguide. The probes are equidistantly spaced with a distance of L. The circuit also comprises three LP filters, each of which is connected to the conductor of the open waveguide at a position which corresponds to the position of one of the power detectors.

Abstract: The present invention relates to a transition from a chip to a waveguide port (47, 47?, 11), the chip (1, 1?, 62) having a first main side (3, 3?, 66) and a second main side (4, 4?, 67), where the first main side (3, 3?, 66) comprises at least one input port (35, 36, 37, 38, 39), arranged to receive an input signal, at least one output port (44, 45; 72), arranged to output an output signal, and at least one electrical functionality. One port (44, 72) of said ports (44, 45; 72; 35, 36, 37, 38, 39) is electrically connected to an electrically conducting probe (48, 48?, 73) that is arranged to extend from said one port (44, 72) and at least partly over the waveguide port (47, 47?, 77) such that a signal may be transferred between said one port (44, 72) and the waveguide port (47, 47?, 77). The present invention also relates to a corresponding package.

Abstract: The present invention relates to a tunable microwave arrangement (100) comprising a waveguide arrangement and tuning elements comprising a number of varactors for tuning an electromagnetic signal input to the waveguide arrangement. It comprises a substrate (1), a layered structure (20) comprising at least two conducting layers (2,3) and at least one dielectric layer (4) which are arranged in an alternating manner. The layered structure is arranged on the substrate (1) such that a first of said conducting layers (2) is closest to the substrate (1). It also comprises at least one surface mounted waveguide (5), a second of the conducting layers (3), most distant from the substrate, being adapted to form a wall of the surface mounted waveguide (5), which wall incorporates said tuning elements which are arranged to enable control of surface currents generated in said wall, hence loading the waveguide (5) with a tunable, controllable impedance.

Abstract: The present invention relates to a transition arrangement comprising two surface-mountable waveguide parts and a dielectric carrier material with a metallization and a ground plane provided on a respective first main side and second main side Surface-mountable waveguide parts comprise a first wall, a second wall, and a third wall, which second and third walls are arranged to contact a part of the metallization, all the walls together essentially forming a U-shape, the surface-mountable waveguide parts also comprising respective bend parts. The metallization on the first main side is removed such that a first aperture and a second aperture are formed, the apertures being enclosed by a frame of via holes electrically connecting the ground plane with the metallization, the bend parts being fitted such that the apertures permit passage of a microwave signal propagating via the bend parts. Then the dielectric carrier material itself acts as a waveguide transition between the first aperture and the second aperture.

Abstract: A five-six-port circuit comprising a waveguide on a main surface of a substrate. The hollow waveguide comprises probes arranged longitudinally inside the hollow waveguide arranged to contact the input port of one of three power detectors, whose output ports are arranged to contact the input port of one power detector. The output ports of the power detectors contact the conductor of an open waveguide which extends in parallel to the hollow waveguide. The probes are equidistantly spaced with a distance of L. The circuit also comprises three LP filters, each of which is connected to the conductor of the open waveguide at a position which corresponds to the position of one of the power detectors.

Abstract: The present invention relates to a transmission line to waveguide transition arrangement comprising a dielectric carrier material arrangement having a first main side and a second main side, the arrangement comprising a transition portion with an opening, having at least one edge and an electrically conducting border which follows the opening and is electrically connected to a ground metalization on the second main side. A transmission line conductor extends in the dielectric carrier material arrangement towards the border. The arrangement further comprises a transitional part with a border contact section having an outer circumference that essentially follows the border's shape except for a gap dividing the border contact section. The transitional part further comprises a conductor contact section which protrudes from the border contact section through the gap, contacting the end of the transmission line conductor and extending into the opening.

Abstract: The present invention relates to a transition arrangement comprising a first surface-mountable waveguide part, a second surface-mountable waveguide part and a dielectric carrier material with a metalization provided on a first main side. Each of the first and second surface-mountable waveguide parts comprises a first wall, a second wall and a third wall, which second and third walls are arranged to contact a part of the metalization, where the first and second surface-mountable waveguide parts are arranged to be mounted on the dielectric carrier material in such a way that the first and second surface-mountable waveguide parts comprise ends which are positioned to face each other. The transition arrangement further comprises an electrically conducting sealing frame that is arranged to be mounted over and covering the ends, where the electrically conducting sealing frame has a first wall, a second wall and a third wall, where the second and third walls are arranged to contact a part of the metallization.

Abstract: The present invention relates to a transition arrangement comprising a first surface-mountable waveguide part and a second surface-mountable waveguide part, each of the first and second surface-mountable waveguide parts comprising a first wall, a second wall and a third wall, which second and third walls are arranged to contact a dielectric carrier material, all the walls together essentially forming a U-shape, where the first and second surface-mountable waveguide parts are arranged to be mounted on the dielectric carrier material in such a way that the first and second surface-mountable waveguide parts comprise ends which are positioned to face each other.

Abstract: The present invention relates to a waveguide tuning device (1) arranged for mounting in a waveguide structure (2) which has a longitudinal extension (L) and comprises a fist inner wall (3), a second inner wall (4), a third inner wall (5) and a fourth inner wall. The inner walls are arranged such that a rectangular cross-section is obtained for the waveguide structure. The first inner wall (3) and the second inner wall (4) have a first length (b) and are facing each other. The third inner wall (5) and the fourth inner wall (6) have a second length (a) and are facing each other. The electrical field (E) is parallel to the main surfaces of the first inner wall (3) and the second inner wall (4). The tuning device (1) is electrically controllable and arranged for mounting at the first inner wall (3) and/or the second inner wall (4). The present invention also relates to a tunable waveguide structure.

Abstract: The present invention relates to a microwave chip supporting structure comprising a first microwave laminate layer, with a first side and a second side, and an outer limit. At least one conductor is formed on said first side extending towards said outer limit. The microwave chip supporting structure further comprises a second microwave laminate layer, with a first side and a second side, the second side of the second laminate layer being fixed to at least a part of the first side of the first laminate layer. The first laminate layer and/or the second laminate layer comprises at least one recess arranged for receiving a microwave chip intended to be connected to said conductor. The second laminate layer extends outside the outer limit of the first laminate layer, said conductors continuing on the second side of the second laminate layer without contacting the first laminate layer.

Abstract: A waveguide filter comprising a matching means for matching the filter. The waveguide filter comprises a housing comprising a cavity having a predetermined first volume. The matching means is in the form of a volume element having a predetermined second volume being matched to the first volume forming a predetermined volume to volume ratio. The matching means is fitted into the cavity in a fixed non-adjustable manner in relationship to the housing. The invention refers also to a method for manufacturing of such a waveguide filter.

Abstract: The present invention relates to a transition from a chip to a waveguide port (47, 47?, 11), the chip (1, 1?, 62) having a first main side (3, 3?, 66) and a second main side (4, 4?, 67), where the first main side (3, 3?, 66) comprises at least one input port (35, 36, 37, 38, 39), arranged to receive an input signal, at least one output port (44, 45; 72), arranged to output an output signal, and at least one electrical functionality. One port (44, 72) of said ports (44, 45; 72; 35, 36, 37, 38, 39) is electrically connected to an electrically conducting probe (48, 48?, 73) that is arranged to extend from said one port (44, 72) and at least partly over the waveguide port (47, 47?, 77) such that a signal may be transferred between said one port (44, 72) and the waveguide port (47, 47?, 77). The present invention also relates to a corresponding package.