Abstract: A power combiner/divider having a front end and a rear end and including a stepped main center conductor defining an axis and having portions with different outer diameters; an input connector having a center conductor, adapted to be coupled to a signal source, electrically coupled to the main conductor and having an axis aligned with the main conductor axis; a plurality of output connectors having respective axes that are perpendicular to the main conductor axis, the output connectors being radially spaced apart relative to the main conductor, the output connectors having center conductors; a plurality of nested cylinders proximate the front end and arranged with gaps defining at least three gaps providing coaxial transmission lines; and a plurality of nested cylinders proximate the rear end, one of which having apertures perpendicular to the main conductor axis receiving the center conductors of the output connectors, the nested cylinders proximate the rear end defining at least three gaps.

Abstract: A matching module includes an input terminal connected to an input node, a variable load capacitor, and a plurality of RF signal delivery branches. The input terminal is connected to receive RF signals from one or more RF generators. The load capacitor is connected between the input node and a reference ground potential. Each of the plurality of RF signal delivery branches has a respective ingress terminal connected to the input node and a respective egress terminal connected to a respective one of a plurality of output terminals. Each of the plurality of output terminals of the matching module is connected to deliver RF signals to a different one of a plurality of plasma processing stations/chambers. Each of the plurality of RF signal delivery branches includes a corresponding inductor and a corresponding variable tuning capacitor electrically connected in a serial manner between its ingress terminal and its egress terminal.

Abstract: A multiplexer structure includes a passive substrate. The multiplexer structure may also include a high band filter on the passive substrate. The high band filter may include a 2D planar spiral inductor(s) on the passive substrate. The multiplexer structure may further include a low band filter on the passive substrate. The low band filter may include a 3D through-substrate inductor and a first capacitor(s) on the passive substrate. The multiplexer structure may also include a through substrate via(s) coupling the high band filter and the low band filter.

Abstract: An antenna coupling device is disclosed. The device includes a first isolator that includes an input port and an output port and a first circulator that includes a first port, a second port, and a third port. The first port of the first circulator is coupled with the output port of the first isolator; and the second port of the first circulator is configured for coupling with a first antenna. The device also includes a second isolator that includes an input port and an output port. The input port of the second isolator is coupled with the third port of the first circulator.

Abstract: A power divider/combiner includes a main conductor defining an axis and having an outer surface; an input connector, at a front end, having a center conductor, electrically coupled to the main conductor and having an axis aligned with the main conductor axis; a first hollow cylindrical conductor having an open end facing rearwardly, having an inner cylindrical surface, the main conductor being received in and spaced apart from the inner cylindrical surface, the first hollow cylindrical conductor being electrically coupled to the second conductor of the input connector; a second hollow cylindrical conductor having an open end facing forwardly, the first cylindrical conductor being received in and spaced apart from the inner cylindrical surface of the second cylindrical conductor; a third hollow cylindrical conductor having an open back end facing rearwardly, the second cylindrical conductor being received in and spaced apart from the inner cylindrical surface of the third cylindrical conductor; and a plurality

Abstract: A microwave-frequency filtering structure includes two dielectric layers separated by a conducting layer that is etched in the pattern of a filter, the upper and lower exterior faces of the stack being covered over the larger part of their surface by a conducting plane constituting ground planes of the structure, which are interlinked by a metallization of the periphery of the structure; two identical devices, an input and an output transition device, each allowing the passage from a microstrip mode to a stripline mode and vice versa, configured so that the geometry of the transition device is optimized to minimize the standing wave ratios at the ports of the filter, and to minimize the excitation and the coupling of the TE10 mode, two conducting pillars perpendicular to the plane of the structure and situated close to its principal axis, without being coupled with the filter, and linking the upper and lower ground planes.

Abstract: A resonator includes an inductive element and a conductive cavity surrounding the inductive element. In particular, the conductive cavity surrounds the inductive element such that a capacitance is distributed between the inductive element and the conductive cavity. By distributing a capacitance between the inductive element and the conductive cavity, a high quality-factor resonator can be achieved by the resonator with a relatively small form factor.

Abstract: The present disclosure is applicable to the field of communications device technologies is directed to a duplexer and a communications system having the duplexer. The duplexer includes a body, where an input port and an output port are disposed on the body, a cavity is disposed on the body, a dielectric resonator is disposed in the cavity, the input port is connected to an input-end coupling plate disposed opposite to the dielectric resonator, the output port is connected to an output-end coupling plate disposed opposite to the dielectric resonator, a tuning screw is connected to the body, and a central axis of the dielectric resonator misaligns with a central axis of the cavity. The communications system includes the duplexer.

Abstract: A mode extractor for extracting TM01 mode from an electromagnetic signal, including a first and second turnstile junction, each of the turnstile junctions having first port, four second ports of rectangular waveguide which are mutually orthogonal and orthogonal to first port and matching section provided at least partially in center region of respective turnstile junction, center region being located at intersection of first port and four second ports wherein first and second turnstile junction are arranged so that longitudinal axes of their first ports are aligned with each other and their first ports are facing in opposite directions, each of the second ports of first turnstile junction is electromagnetically coupled to corresponding one of second ports of second turnstile junction, and a coaxial coupling device is inserted into matching section of first turnstile junction so that a portion of coaxial coupling device extends into first port of first turnstile junction.

Abstract: The present invention is directed to an RF termination device that includes a substrate having a first meandered transmission line disposed on a first surface thereof. The meandered first transmission line has a predetermined first transmission line length and a characteristic impedance substantially equal to twice the predetermined system impedance. One end of the first meandered transmission line is configured as an open circuit. A second meandered transmission line is disposed on the first major surface adjacent the first meandered transmission line. The meandered second transmission line has a predetermined second transmission line length and a characteristic impedance substantially equal to twice the predetermined system impedance. One end of the second meandered transmission line is coupled to the other end of the first transmission line and the other end is coupled to ground.

Abstract: Embodiments disclosed herein relate to wave guide couplers as well as 3-way, 6-way, and 9-way combiners. The waveguide coupler comprises: a housing having a first outer waveguide branch, a second outer waveguide branch, and an inner waveguide branch; first, second, and third input ports in communication with the first outer, second outer, and the inner waveguide branches respectively; an output port in communication with the inner waveguide branch; a first wall separating the first outer waveguide branch and the inner waveguide branch, the first wall having a first iris; a second wall separating the second outer waveguide branch and the inner waveguide branch, the second wall having a second iris; a first tapered section in the first outer waveguide branch; and a second tapered section the second outer waveguide branch. Various embodiments of the 3-way, 6-way, and 9-way combiners are implemented using the wave guide coupler.

Abstract: A symmetrical input signal is converted into an asymmetrical output signal. A first conduction path and a second conduction path are arranged parallel to one another based on signal flow. The first conduction path and the second conduction path form a first stage and a second stage. The first conduction path includes a first high-pass element assigned to the first stage. The second conduction path includes a first low-pass element assigned to the first stage. The first conduction path and the second conduction path have a second high-pass element assigned to the second stage. The second conduction path includes a second low-pass element assigned to the second stage and arranged in a chain with the first low-pass element. Each high-pass element shifts the phase of a signal forward, and each low-pass element shifts the phase of a signal backward to generate the asymmetrical signal.

Abstract: A power processing circuit includes a first portion, a second portion, a third portion, a resistor, a first coupling portion, a second coupling portion, a third coupling portion and a fourth coupling portion. The first portion, the second portion and the third portion are connected to respective external components. The first coupling portion and the third coupling portion are micro-strips symmetrical to the first portion. The second coupling portion and the fourth coupling portion are micro-strips symmetrically connected to two terminals of the resistor.

Abstract: A cross-guide coupler for use in a waveguide network is provided. The cross-guide coupler comprises a main waveguide arm having an input port and a transmitted port and a hollow metallic conduit therebetween. The cross-guide coupler also comprises a secondary arm positioned substantially transversely relative to the main arm and being fastened to the main arm, wherein the secondary arm includes a substrate integrated waveguide.

Abstract: A device and a method for utilizing the device for radio-frequency (RF) power coupling, particularly a power combiner and/or divider, includes a box shaped casing forming the outside conductor, and connectors for inputting and outputting RF-power, which are electrically connected to at least one center conductor, where the electrical connection between the connectors and the at least one center conductor is a direct electrical and mechanical connection.

Abstract: A radio-frequency module component includes a splitter/combiner and a shield case. The splitter/combiner includes a multilayer body, a common input/output electrode, a low-band input/output electrode, a high-band input/output electrode, and outer ground electrodes. The multilayer body includes insulating layers and electrode patterns stacked on each other, and side surfaces opposed to each other. The common input/output electrode is disposed on one of the side surfaces and a bottom surface of the multilayer body. The low-band input/output electrode and the high-band input/output electrode are disposed on another of the side surfaces and the bottom surface of the multilayer body. An additional side surface of the multilayer body opposes a side surface of the shield case in the closest proximity to each other.

Abstract: A radio frequency module includes a transmission terminal, a transmission filter connected to the transmission terminal, a common terminal, a reception filter which is connected to the common terminal, a reception terminal, a branch point to which the common terminal, the transmission filter, and the reception filter are connected, a transmission path connecting the transmission terminal and the branch point, a reception path connecting the reception terminal and the branch point, a common path connecting the common terminal and the branch point, a matching circuit connected to the common path, and an inductor circuit that includes a first inductor that defines a propagation path through electromagnetic coupling to at least one of the transmission path, the common path, the matching circuit, and the reception path, and a second inductor that is positioned so as not to be electromagnetically coupled to the transmission path, the common path, the matching circuit, or the reception path.

Abstract: A radio-frequency filter comprises an input terminal and an output terminal. A signal line is galvanically connected or capacitively coupled firstly to the input terminal and secondly to the output terminal. The signal line, with the formation of a capacitive inner conductor and/or resonator coupling, runs past the relevant inner conductor through the resonators of the radio-frequency blocking filter. The signal line has at least one galvanic isolation location in the form of a capacitive isolation location. The capacitive isolation location is spaced apart from the inner conductors and capacitively coupled thereto. The resonators and/or the inner conductors capacitively coupled to the signal line.

Abstract: There is described herein a real-time scheme, implementable in software, hardware, or a combination thereof, to detect a resonating frequency of a structure from a sensed signal and dynamically set the center frequency of an adaptive compensator for effective attenuation of the resonating frequency.

Abstract: The disclosure generally relates to shielded transmission lines, electrical systems including the shielded transmission lines, cables using shielded transmission lines, and electrical connectors using shielded transmission lines. In particular, the present disclosure provides transmission lines that include floating shields capable of isolating interference between conductors that can result in reduced crosstalk.