Abstract: There are disclosed matrix filters having an input port and sub-filters connected between the input port and respective output ports. Each of the sub-filters includes a ladder circuit with n transversely-excited film bulk acoustic resonator (XBAR) series elements and n?1 capacitor shunt elements, where n, the order of the sub-filter, is an integer greater than 2. The sub-filters having noncontiguous passbands.

Abstract: Embodiments described herein provide circuitry employing one or more inductors having an unconventional turn-ratio. The circuitry includes a primary inductor having a first length located on a first layer of an integrated circuit (IC). The circuitry further includes a secondary inductor having a second length located on a second layer of the IC different from the first layer, whereby the second length is greater than the first length, with a ratio between the first and the second lengths corresponding to a non-integer turn-ratio.

Abstract: An asymmetric, broadband, compact and low-PIM orthomode transducer comprised of two parts is presented. Mating of the two parts results in the formation of a choke flange as well as a critical impedance step which suppresses unwanted modes and enables broadband matching of the junction between the two parts. Furthermore, a cruciform-quatrefoil waveguide type is utilized that transitions to an aperture. This waveguide configuration can lead to a lower overall part length, an improved reflection, and reduced manufacturing costs.

Abstract: The disclosed radio frequency (RF) bandpass filter may include an RF transmission medium that defines (1) a plurality of cavities aligned parallel to each other along a major axis, where (a) each cavity includes planar surfaces that define (i) a first dimension aligned with the major axis and (ii) second and third dimensions aligned perpendicular to the major axis and each other, where the first dimension is shorter than the second and third dimensions and (b) each adjacent pair of cavities is coupled by an inter-cavity slot, (2) an RF inlet that couples a received RF signal to a first cavity at a first end of the plurality of cavities, and (3) an RF outlet that couples a filtered RF signal from a second cavity at a second end of the plurality of cavities externally to the filter. Various other filters and manufacturing methods thereof are also disclosed.

Abstract: A filter device includes a first filter including series resonators and parallel resonators, a first inductor connected in parallel between a first terminal and the first filter, a second inductor provided in series between the first filter and a second terminal, and a third inductor provided in series in a channel connecting the parallel resonator and ground, the third inductor is incorporated in a multilayer substrate, the first filter is mounted on a main surface of the multilayer substrate and incorporated in a filter chip, and the first inductor and the second inductor are chip inductors including coil conductors and are mounted on the main surface of the multilayer substrate beside the filter chip so as to be adjacent to each other and such that coil axes thereof are orthogonal or substantially orthogonal to each other.

Abstract: A radio-frequency (RF) splitter is provided. The RF splitter includes a common branch node configured to transfer an RF signal, input from an input port, to at least one of first and second output ports, first and second branch nodes electrically connected between the common branch node and the first and second output ports, first and second series switches configured to control switching operations to electrically connect the common branch node and the first and second branch nodes to each other, first and second inductors electrically connected between the common branch node and the first and second branch nodes, a resistor electrically connected between the first and second branch nodes, and first and second shunt switches configured to control switching operations to electrically connect the first and second branch nodes and the resistor to each other.

Abstract: A phase shifter and a method for manufacturing the same are provided. The phase shifter includes a substrate, a signal line on the substrate, ground lines in pairs and on the substrate, and at least one film bridge on the substrate and spaced apart from the signal line. Two adjacent ground lines of the ground lines are on both sides of the signal line and spaced apart from the signal line, respectively, and both ends of each film bridge are on the two adjacent ground lines, respectively. The signal line is in a space surrounded by each film bridge and the substrate. Each film bridge includes a metal layer opposite to the signal line, the metal layer has a plurality of openings therein, and the plurality of openings penetrate through the metal layer in a thickness direction of the metal layer.

Abstract: Radio-frequency splitter circuits, devices and methods. In some embodiments, a power splitter can include an input port, a first output port and a second output port. The power splitter can further include a first signal path implemented between the input port and the first output port, and a second signal path implemented between the input port and the second output port. Each of the first and second signal paths can include a variable capacitance configured to provide a plurality of capacitance values that result in different frequency responses of the respective signal path.

Abstract: A component is disclosed. In an embodiment a component includes a first region suitable for a feedthrough of at least one bus bar and a second region in which at least one discrete device is arranged, wherein the first region and the second region are separated from one another by a cooling region thermally decoupling the first region from the second region.

Abstract: An apparatus includes a tube including an inner surface, an inner diameter, and a length. The apparatus also includes a coil spring. The coil spring includes an outer surface, an outer diameter, and a plurality of coil elements arranged along a length of the coil spring. The coil spring can be positioned within the tube and the outer diameter of the coil spring can be less than the inner diameter of the tube. The coil spring can form a waveguide. Related methods of manufacture and systems are also described herein.

Abstract: A receiver or transmitter designed for a broad range of frequencies requires a pre-select filter for incoming signals or a post-select filter for outgoing signals to minimize spurious signal responses. In conventional receivers, several discrete RF filters are used and a switched filter bank is created utilizing a large amount of space. A filter bank comprising a plurality of stacked shielded filters would enable different filter technologies and topologies to be used together, as other passive and active circuits may be combined into the one surface mountable component in order to save on PCB space.

Abstract: A multilayer coil component includes a multilayer body formed by stacking a plurality of insulating layers on top of one another and that has a coil built thereinto, and a first outer electrode and a second outer electrode that are electrically connected to the coil. The coil is formed by electrically connecting a plurality of coil conductors. A first main surface of the multilayer body is a mounting surface. A stacking direction of the multilayer body is parallel to the mounting surface. The multilayer coil component includes first and second connection conductors. The first and second connection conductors overlap the coil conductors in a plan view from the stacking direction and are located closer to the mounting surface than a center axis of the coil. Distances between adjacent coil conductors are not constant in a side view from a direction perpendicular to the stacking direction.

Abstract: In some embodiments, an apparatus includes a plurality of first conductive traces oriented in a first direction in a first layer and plurality of second conductive traces oriented in a second direction in a second layer coupled by vias to define first hierarchical networks. A plurality of third conductive traces oriented in the first direction in a third layer and a plurality of fourth conductive traces oriented in the second direction in a fourth layer are coupled by vias to define second hierarchical networks. Open ends of the first or second traces at a last stage of the first hierarchical networks comprise first ends and open ends of the third or fourth traces at a last stage of the second hierarchical networks comprise second ends. A first end and a corresponding second end are non-collinear to each other and perpendicular to a major plane of the first layer.

Abstract: A directional coupler (1) includes a substrate (10), a main line (20) formed directly or indirectly on the substrate (10), sub-lines (21, 22 and 23) at least part of each of which is formed directly or indirectly on the substrate (10) along the main line (20), a switch (30) switching connections among end portions of the plurality of sub-lines (21, 22 and 23), and detection output terminals (FWD and REV) connected to the sub-line (21), wherein, when looking at the substrate (10) in plan, the end portions of the sub-lines (21, 22 and 23) are disposed on the opposite side to the detection output terminals (FWD and REV) relative to the main line (20), and the sub-line (21) to which the detection output terminals (FWD and REV) are connected is overlapped with or surrounded by the sub-lines (22 and 23).

Abstract: A system of modular components each include pin ports that may be connected in different configurations to enact alternative planar designs. Each modular component has asymmetries that are utilized to facilitate alternative wiring. Such asymmetries could include protrusions in the wafer to align edge connections. Alternatively, or in addition, the asymmetries include differences in copper disposition to certain edge connections. Each modular component has a non-conductive coating on each side of the wafer to insulate the underlaying copper layer.

Abstract: A waveguide filter having a core including an external face and internal faces defining a channel for filtering and guiding the waves. The channel includes several slots, each having a first and a second face. The first face is inclined in relation to the second face. A method for manufacturing the waveguide filter.

Abstract: An orthomode transducer including a first Boifot junction and a second Boifot junction. Each of the first and second Boifot junctions includes a dual polarized port, a first lateral port, a second lateral port, the first and second lateral port being single polarized, and a third single polarized port along the propagation direction of a signal in the dual polarized port. A first power divider for coupling the first lateral port of the first Boifot junction with the first lateral port of the second Boifot junction to a third port. A second power divider for coupling the second lateral port of the first Boifot junction with the second lateral port of the second Boifot junction to a third port. A third power divider for coupling the third port of the first power divider with the third port of the second power divider to a fourth single polarization port.

Abstract: Antenna and/or waveguide assemblies for vehicles, such as RADAR sensor antenna assemblies, along with associated signal confinement structures. In some embodiments, the assembly may comprise an antenna block defining one or more waveguides. A conductive layer may be coupled to the antenna block to form, at least in part, a wall of the waveguide. The assembly may comprise one or more periodic structures that may be operably coupled to the waveguide, each of which may comprise a first elongated opening and a first series of repeated slots extending at least substantially transverse to the first elongated opening, wherein each of the first series of repeated slots is spaced apart from an adjacent slot in the first series of repeated slots along the first elongated opening.

Abstract: An inductor includes a coil that is constituted by a conductor having a coating layer and includes a winding portion where the conductor is wound and an extended portion extended from the winding portion, a base body that envelops the coil and is constituted by a magnetic body containing magnetic powder and resin, and an outer electrode that is arranged on a surface of the base body and connected to the extended portion. The extended portion of the coil includes a conductor portion that does not have the coating layer in an end portion of the extended portion, and the conductor portion includes a first region connected to the outer electrode and a second region in contact with the magnetic body.

Abstract: Wideband power combiners and splitters are provided herein. In certain embodiments, a power combiner/splitter is implemented with a first coil connecting a first port and a second port, and a second coil connecting a third port and a fourth port. The first coil and the second coil are inductively coupled to one another. For example, the first coil and the second coil can be formed using adjacent conductive layers of a semiconductor chip, an integrated passive device, or a laminate. The power combiner/splitter further includes a fifth port tapping a center of the first coil and a sixth port tapping a center of the second coil. The fifth port and the sixth port serve to connect capacitors and/or other impedance to the center of the coils to thereby provide wideband operation.