Abstract: A power divider/combiner comprising a plurality of transmission lines, each transmission line being in the form of a separate longitudinal component (e.g. a length of coaxial cable), wherein the longitudinal components are arranged such that they are substantially parallel to each other, and such that a side of each longitudinal component is contiguous with a side of at least one other longitudinal component. Each of the transmission lines may be of substantially the same length. The length of a transmission lines may be substantially equal to a quarter of the wavelength of an input signal for the power divider/combiner.

Abstract: An improved nondirectional radiofrequency power divider is characterized by the following features:—having an outer conductor (1) and/or outer conductor housing (1?), with a first inner conductor (11), wherein the first inner conductor (11) runs in the outer conductor (1) or in the outer conductor housing (1?),—with a second inner conductor (13), wherein the second inner conductor (13) runs in the space (15) which is formed between the first inner conductor (11) and the outer conductor (1) or the outer conductor housing (1?),—the second inner conductor (13) is electrically connected to a branch line running away therefrom or is provided therewith, the second inner conductor (13) is relatively adjustable and/or positionable in terms of the distance of said second inner conductor from the first inner conductor (11) and/or in terms of the distance of said inner conductor from the outer conductor (1) or from the outer conductor housing (1?) so as to effect a variable power distribution.

Abstract: A passive coaxial signal power splitter apparatus includes an input port, an input coaxial waveguide section coupled to the input port, a guided wave structure coupled to the input coaxial waveguide section, a plurality of antenna elements arranged in the guided wave structure, and an output port coupled to each of the antenna elements. A passive coaxial signal power combiner includes a plurality of input ports, a guided wave structure coupled to the plurality of input ports, a plurality of antenna elements in the guided wave structure, wherein each antenna element is coupled to one or more of the input ports, a coaxial waveguide section coupled to the guided wave structure, and an output port coupled to the coaxial waveguide section.

Abstract: A power combining apparatus includes a waveguide structure and a plurality of antenna elements arranged in the waveguide structure, wherein each of the antenna elements comprises a center planar antenna layer, two outer planar antenna layers arranged on opposite sides of the center planar antenna layer, a non-conductive layer between the center planar antenna layer and one of the outer planar antenna layers, and another non-conductive layer between the center planar antenna and the other one of the outer planar antenna layers. The power combining apparatus includes a waveguide structure having an input, an output, and a plurality of antenna elements arranged in the waveguide structure, wherein each antenna element is configured to transform an electric field direction of an electromagnetic field by substantially 90 degrees rotation about a longitudinal axis of the waveguide structure, wherein a bandwidth of the antenna is less than, equal to, or greater than a decade of frequency range.

Abstract: A power combining apparatus includes an output waveguide section having inner and outer coaxial conductors, wherein an outer surface of the inner conductor and an inner surface of the outer conductor each includes a substantially linear taper, a center waveguide section having an input, an output, and a plurality of antenna elements, the output of the center waveguide section being coupled to the output waveguide section, and an output waveguide section coupled to the output of the center waveguide section.

Abstract: An apparatus comprising a first power combiner/divider network and a second power combiner/divider network. The first power combiner/divider network splits a first electromagnetic signal into split signals that are connectable to signal processor(s). The second power combiner/divider network combines processed signals into a second electromagnetic signal. The apparatus includes a three-dimensional coaxial microstructure.

Abstract: An apparatus and method for outputting high-frequency, high-power signals from low-frequency, low-power input is disclosed. The apparatus and method may provide a two-dimensional nonlinear lattice having a plurality of inductors and voltage-dependent capacitors intersecting at a plurality of nodes. Two or more adjacent boundaries of the nonlinear lattice may be provided with input signals which constructively interfere to output a signal of substantially higher amplitude and higher frequency than those of the input signals.

Abstract: A power splitter and/or combiner is described. The power splitter may be provided as a broadband, passive, divide by N power splitter that may be advantageously employed in providing power to multiple electrodes within a plasma source. The power splitter comprises a transmission line and a plurality of N secondary windings arranged about the transmission lines.

Abstract: Embodiments of the present disclosure disclose an inner connecting element of a cavity power divider, the cavity power divider and a manufacturing method thereof Two ends of the inner connecting element of the cavity power divider are respectively an input end and an output end, and the inner connecting element of the cavity power divider is in a sheet form. The cavity power divider comprises a cavity and at least three connectors. The cavity is provided with one connector at an input end thereof and with at least two connectors at an output end thereof The connecting element is included in the cavity, with the input end and the output end of the connecting element being connected respectively with the connectors at the input end and the output end of the cavity.

Abstract: In general, in accordance with an exemplary aspect of the present invention, an electrical system configured to use power combining of microwave signals, such as those from monolithic microwave integrated circuits or MMICs is provided. In one exemplary embodiment, the system of the present invention further comprises a low loss interface that the circuits are directly connected to. In another exemplary embodiment, the circuits are connected to a pin which is connected to the low loss interface. In yet another exemplary embodiment of the present invention, a multi-layer power amplifier is provided that comprises two or more chassis and circuits attached to impedance matching interfaces according to the present invention. This multi-layered power amplifier is configured to amplify an energy signal and have a significantly reduced volume compared to existing power combiners.

Abstract: A combiner/divider may comprise a circuit ground and five transmission lines. The first transmission line may include a first conductor having a first end forming a first unbalanced-signal port relative to the circuit ground, and a second conductor having a first end connected to the circuit ground. The second and third transmission lines may be connected in parallel and each may include a conductor connecting a second end of the first conductor to a first balanced-signal port. The fourth and fifth transmission lines may be connected in parallel and each may include a conductor connecting a second end of the second conductor to a second balanced-signal port. A ferrite sleeve may surround the second and third transmission lines and/or the fourth and fifth transmission lines. The second, third, fourth and fifth transmission lines may be coaxial transmission lines with connected outer conductors.

Abstract: Devices are described that combine or divide electromagnetic signal power using short-circuited parallel-coupled multiconductor transmission lines. Such devices include single-stage, multi-stage ‘traveling wave’, and multi-stage broadband filter structures. Electrically shorting each coupled conductor simultaneously provides thermal cooling from heat generated by RF dissipative loss. These features may provide a compact, thermally robust power combiner/divider covering 3:1 bandwidth or greater. The devices may be applicable to radar, electronic countermeasures (ECM), and communications transmitters.

Abstract: A combiner/divider circuit may include first, second, third, fourth and fifth transmission lines each including a signal conductor and a signal-return conductor. The signal conductors at a first end of the first transmission line may form a first unbalanced sum signal terminal and the signal conductors at first ends of the second, third, fourth, and fifth transmission lines may form pairs of balanced signal terminals. The signal conductor at a second end of the first transmission line may be connected to the signal conductors at second ends of the fourth and fifth transmission lines. The signal conductors at second ends of the second and third transmission lines may be connected to the signal-return conductors at second ends of the fourth and fifth transmission lines, respectively. The second ends of the transmission lines may extend into the connection region along a common line.

Abstract: In cases where a power divider is constructed by using a multilayer substrate, a power divider is obtained which is smaller in size and has a good reflection property. The power divider according to the present invention is provided with a multilayer dielectric substrate (1), strip conductor patterns (2a through 2c) formed on one surface of the multilayer dielectric substrate (1), and a ground conductor pattern (3) formed on the other surface of the multilayer dielectric substrate (1), wherein a transmission line is composed of the dielectric substrate (1), the strip conductor patterns (2a through 2c) and the ground conductor pattern (3), and the transmission line has its one end branched to form a plurality of branch lines (12a, 12b), with an isolation resistance (4) being formed between the branch lines.

Abstract: To transport electromagnetic energy at high power levels, a coaxial-to-waveguide power combiner/divider comprises a length of single-conductor closed waveguide terminated at one end by a conductive end plate. A plurality N of holes is formed in the end plate. A conductive matching plate is positioned within the waveguide opposite and spaced apart from the conductive end plate and spaced apart from the inner walls of the waveguide. A plurality of coaxial input/output ports each comprise an outer conductor that is electrically and mechanically terminated at the end plate about one hole and an inner conductor that extends through the associated hole into the waveguide and is electrically and mechanically terminated at the underside of the matching plate. The location and geometry of the matching plate and physical arrangement of the N ports are chosen so that the sum of the direct reflection and the N?1 coupled reflection contributions are small.

Abstract: A combiner/divider may comprise a circuit ground and five transmission lines. The first transmission line may include a first conductor having a first end forming a first unbalanced-signal port relative to the circuit ground, and a second conductor having a first end connected to the circuit ground. The second and third transmission lines may be connected in parallel and each may include a conductor connecting a second end of the first conductor to a first balanced-signal port. The fourth and fifth transmission lines may be connected in parallel and each may include a conductor connecting a second end of the second conductor to a second balanced-signal port. A ferrite sleeve may surround the second and third transmission lines and/or the fourth and fifth transmission lines. The second, third, fourth and fifth transmission lines may be coaxial transmission lines with connected outer conductors.

Abstract: A Radio Frequency (RF) splitter/combiner technique for splitting and combining RF signals using a combination of microstrip traces and coaxial cable for an N-port network is disclosed.

Abstract: A power amplifier having multiple solid state sub-amplifiers connected in parallel between an input and an output are described. The signal input to the power amplifier is provided to an RF splitter connected between an input connector and the input of each of the sub-amplifiers. The RF splitter splits the input power from the signal input and provides the power to the sub-amplifier inputs through input electrical paths. The input electrical paths from the power amplifier input to the sub-amplifiers are substantially identical. Each of the sub-amplifiers drive an input of an RF combiner connected between the outputs of the sub-amplifiers and the output of the power amplifier. The RF combiner combines the output power from each of the sub-amplifiers through output electrical paths, and provides the combined power to the power amplifier output. The output electrical paths from the sub-amplifiers to the power amplifier output are substantially identical.

Abstract: An improved implementation of a 2×4 divider formed from a bridge junction is described. The bridge junction uses parallel and series connections of coaxial lines to eliminate impedance transformers that are normally required in a 2×4 power divider. In a preferred embodiment, the bridge junction is comprised of UT-085 coax transmission lines, 20 gauge twin lead wire and SB-805-61 ferrite beads with ½ turn windings to provide a wide bandwidth, compact, high power and rugged arrangement.

Abstract: Implementations and examples of power amplifier devices, systems and techniques for amplifying RF signals, including power amplifier systems based on Composite Right and Left Handed (CRLH) metamaterial (MTM) structures.

Abstract: A sequential rotated feeding circuit for sequential rotated feeding of a signal with a wavelength ?g is provided. The sequential rotated feeding circuit comprises a feed transformer, a resistance transforming unit, a first antenna transformer, a second antenna transformer, a third antenna transformer and a fourth antenna transformer. The feed transformer has a feed line width resistance Zin. The resistance transforming unit is connected to the feed transformer, the first antenna transformer, the second antenna transformer, the third antenna transformer and the fourth antenna transformer. The resistance transforming unit has a transforming line width resistance Zl.

Abstract: A wideband power coupler and method for taping part of a RF signal from a combined RF and AC signal with relatively simple structure and relatively low number of needed parts. The power coupler may include a BALUN, the BALUN constructed of a central conductor, an outer conductor and a ferrite element. Combined downstream AC and RF signal may flow through the central conductor of the BALUN. A part of the RF signal is reflected on the outer conductor of the BALUN with 180 degrees phase shift with respect to the RF signal, to create a reversed signal. Another part of the RF signal is sampled by a high pass filter. An autotransformer sums the reversed signal with the RF signal to create an output RF signal for an output tap port.

Abstract: An apparatus comprising a first power combiner/divider network and a second power combiner/divider network. The first power combiner/divider network splits a first electromagnetic signal into split signals that are connectable to signal processor(s). The second power combiner/divider network combines processed signals into a second electromagnetic signal. The apparatus includes a three-dimensional coaxial microstructure.

Abstract: An improved component for the separation or combination of high frequency outputs includes a coaxial input port located at the front end of the outer conductor. At the opposite end of the outer conductor, a head is located with at least two, and preferably three or four, single ports which cover the outer conductor connections. The head with the single ports is built as a single part to avoid any mechanical connection junctions. The head with the single ports which form integral outer conductor connectors consists of a forged part or a cast part.

Abstract: To transport electromagnetic energy at high power levels, a coaxial-to-waveguide power combiner/divider comprises a length of single-conductor closed waveguide terminated at one end by a conductive end plate. A plurality N of holes is formed in the end plate. A conductive matching plate is positioned within the waveguide opposite and spaced apart from the conductive end plate and spaced apart from the inner walls of the waveguide. A plurality of coaxial input/output ports each comprise an outer conductor that is electrically and mechanically terminated at the end plate about one hole and an inner conductor that extends through the associated hole into the waveguide and is electrically and mechanically terminated at the underside of the matching plate. The location and geometry of the matching plate and physical arrangement of the N ports are chosen so that the sum of the direct reflection and the N?1 coupled reflection contributions are small.

Abstract: A power divider includes an input port and a plurality of output ports. The power divider further includes a splitter fabricated from a plurality of discrete elements including at least one transformer having a ferrite core. The splitter has an input and a plurality of outputs. The power divider further includes a plurality of transmission lines fabricated on a printed circuit board. Each transmission line has a first end coupled to one of the outputs of the splitter and a second end coupled to one of the output ports, and includes a plurality of transmission line sections between the first end and the second end. The power divider further includes a plurality of balance resistors each having a first end connected between sections of one of the transmission lines, and having a second end connected between sections of another of the transmission lines.

Abstract: A power amplifier (power amplifier) having multiple solid state sub-amplifiers connected in parallel between the power amplifier input and the power amplifier output are described. The signal input to the power amplifier is provided to an RF splitter connected between the power amplifier input connector and the input of each of the sub-amplifiers. The RF splitter splits the input power from the signal input and provides the power to the sub-amplifier inputs through input electrical paths. The input electrical paths from the power amplifier input to the sub-amplifiers are substantially physically identical. Each of the sub-amplifiers drive an input of an RF combiner connected between the outputs of the sub-amplifiers and the output of the power amplifier. The RF combiner combines the output power from each of the sub-amplifiers through output electrical paths, and provides the combined power to the power amplifier output.

Abstract: A signal distribution structure for distributing a signal to a plurality of devices includes a first signal guiding structure including a first characteristic impedance. The signal distribution structure also includes a node, wherein the first signal guiding structure is coupled to the node. The signal distribution structure includes a second signal guiding structure including one or more transmission lines. The one or more transmission lines of the second signal guiding structure are coupled between the node and a plurality of device connections. The second signal guiding structure includes, side-viewed from the node, a second characteristic impedance which is lower than the first characteristic impedance. The signal guiding structure also includes a matching element connected to the node.

Abstract: Embodiments of the invention relate to an integrated circuit comprising at least one functional unit configured to operate at a first clock frequency. The integrated circuit also comprises at least one first interconnect originating from a contact pad and leading to at least one frequency divider configured to receive a clock signal having a second frequency and generate one or more clock signals to operate the functional unit at the first frequency. The integrated circuit further comprises at least one second interconnect coupling an output of the frequency divider and an input of the functional unit, wherein a total length of the second wired interconnect is less than a total length of the first wired interconnects.

Abstract: An ortho-mode transducer may include an annular common waveguide defined by an outside surface of an inner conductor and an inside surface of an outer conductor, the outside surface and the inside surface concentric about a waveguide axis. A first port may couple a first TE11 mode to the annular common waveguide. A second port may couple a second TE11 mode to the annular common waveguide, the second TE11 mode orthogonal to the first TE11 mode. A TEM probe may suppress resonance of a TEM mode within the annular common waveguide.

Abstract: A diplexer for receiving and transmitting a first bandwidth signal corresponding to a first central frequency and a second bandwidth signal corresponding to a second central frequency includes a first signal end, a second signal end, a third signal end, a first impedance unit, a second impedance unit and a third impedance unit. The first impedance unit forms an impedance match with the third impedance unit when the third signal end receives or transmits the first bandwidth signal, and forms a high impedance unit when the third signal end receives or transmits the second bandwidth signal. The second impedance unit forms an impedance match with the third impedance unit when the third signal end receives or transmits the second bandwidth signal, and forms a high impedance unit when the third signal end receives or transmits the first bandwidth signal.

Abstract: A system (10) for monitoring PLC impedance of a phase conductor 12.1 of a high voltage overhead power transmission line (OHTL) 12 comprises a hybrid 40 comprising a first port (40), a second port (40.2) and a third port (40.3). The hybrid is configured to divide power received at the first port between the second and third ports, at least partially to isolate the second port from power received at the third port and at least partially to isolate the third port from power received at the second port. The isolation is a function of an impedance connected to the first port 40.1. The first port is connected to the phase conductor. The second port is connected to be driven by an alternating signal source (14). The second and third ports are connected to a monitoring logging device (42) for monitoring signals at the second and third ports, thereby to monitor the isolation at second and third ports and hence impedance at the first port.

Abstract: A power combiner comprising an LC lattice structure is shown, together with a method for generating a planar wave front. The LC structure can comprise constant or voltage dependent capacitors. Either the delay or the characteristic impedance of the two-dimensional transmission line formed by the LC lattice structure are kept constant. A planar wave propagating along one direction of the transmission line gradually experiences higher impedances at the edges, creating a lower resistance path for the current in the middle. This funnels more power to the center as the wave propagates.

Abstract: According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and third printed branch distribute a received communication signal to respective outputs having substantially the same phase, frequency, and impedance. Each printed branch includes a number of substantially ninety-degree angles. In one embodiment, the printed branches are quarter wavelength transmission lines in a frequency range of 1.5 GHz. In one embodiment, the three-way splitter consumes less than one square inch of surface area on a printed circuit board, and can be used in a satellite receiving system, for example. In this embodiment, the three-way splitter is utilized for frequencies in the range of approximately 900 MHz to 2.2 GHz.

Abstract: A coaxial characteristic-impedance transformer for dividing RF power on a first terminal onto n second terminals situated in the same radial plane by multi-stage serial transformation via ?/4 lines is provided with a short overall size, where the ?/4 lines between the first connection and the second connections are at least partly disposed to surround each other concentrically.

Abstract: A power amplifier (power amplifier) having multiple solid state sub-amplifiers connected in parallel between the power amplifier input and the power amplifier output are described. The signal input to the power amplifier is provided to an RF splitter connected between the power amplifier input connector and the input of each of the sub-amplifiers. The RF splitter splits the input power from the signal input and provides the power to the sub-amplifier inputs through input electrical paths. The input electrical paths from the power amplifier input to the sub-amplifiers are substantially physically identical. Each of the sub-amplifiers drive an input of an RF combiner connected between the outputs of the sub-amplifiers and the output of the power amplifier. The RF combiner combines the output power from each of the sub-amplifiers through output electrical paths, and provides the combined power to the power amplifier output.

Abstract: The present invention provides a splitter. The splitter includes a substrate and a layer formed on the substrate. The layer is patterned such that a signal applied to at least one input port is provided to a plurality of output ports. The relative power of the signal provided at each of the plurality of output ports is determined by at least one property of the substrate and at least one property of the layer.

Abstract: A radial power divider-combiner is disclosed. Such a radial divider-combiner may include a plurality of waveguides, each of which extends between a central monopole antenna and a respective peripheral monopole antenna. Such a waveguide may have a central portion with a height-to-width ratio of two, and a peripheral portion having an aspect ratio of one. To improve impedance-matching, a transformer portion may be disposed between the central portion and the peripheral portion. Such a transformer portion may have any number of sections, from one to infinity, with each section having a respective height between that of the central portion and that of the peripheral portion. In the extreme case, where the number of “sections” is infinite, the height of the transformer portion may vary linearly from that of the central portion and that of the peripheral portion.

Abstract: A power combiner comprising an LC lattice structure is shown, together with a method for generating a planar wave front. The LC structure can comprise constant or voltage dependent capacitors. Either the delay or the characteristic impedance of the two-dimensional transmission line formed by the LC lattice structure are kept constant. A planar wave propagating along one direction of the transmission line gradually experiences higher impedances at the edges, creating a lower resistance path for the current in the middle. This funnels more power to the center as the wave propagates.

Abstract: A rectangular-to-circular mode combiner/divider is provided. In one aspect of the invention, a power combiner is provided that comprises a plurality of rectangular waveguide ports arranged in an integral arrangement. Each rectangular waveguide port is operative to operate in a rectangular mode. The power combiner is also includes a circular waveguide port operative to operate in a circular mode, and a transition body that couples the plurality of rectangular waveguide ports to the circular waveguide port. The transition body has an inner transition cavity and an outer body operative to convert radio frequency (RF) signals between the rectangular mode and the circular mode, and provide a combined output signal at the circular waveguide port from RF signals received at the plurality rectangular waveguide ports.

Abstract: The present invention provides an RF module capable of outputting balanced electromagnetic waves without requiring adjustment and easily realizing miniaturization. The RF module includes: a waveguide (3) having an area which is surrounded by a pair of ground electrodes (6) and (7) provided so as to face each other and through holes (8) for making electric conduction between the pair of ground electrodes (6) and (7) and in which electromagnetic waves in the TE mode can propagate and a one-wavelength resonator (11) is formed; and a pair of output lines (4a) and (4b) connected to portions corresponding to half-wavelength resonance regions (A) and (B) of the one-wavelength resonator (11) in the ground electrode (6).

Abstract: A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the divider. Within the divider, the input signal is divided into a plurality of individual signals. The individual signals are received by receiving antennas and provided to respective amplifiers. The amplifiers amplify the respective individual signals by a desired amplification factor. The amplified individual signals are provided to a plurality of transmitting antennas within the combiner. Inside the combiner, the amplified individual signals are combined to form an output signal that is received by a receiving antenna in the combiner.

Abstract: A power combiner/divider is disclosed that employs triaxial transmission line structures operatively coupled to provide a desired number of input/output ports. A balun is operatively coupled to the triaxial transmission line structures, and is adapted to couple out unbalanced currents flowing therebetween.

Abstract: A compact amplifier output bias circuit is used as a broadband harmonic termination. The bias circuit is adapted as a harmonic termination circuit to produce an effective low impedance at the signal harmonic frequencies while having the capability of supplying DC power to the amplifier stage, optionally, if needed. A pi network is coupled to an active device output through a predetermined length of transmission line tuned for optimum power added efficiency in the frequency band of operation and provides a low impedance at frequency bands above the frequency band of operation while allowing DC bias to be appliable to the active device output.

Abstract: A radio frequency (RF) switch which is used in an RF unit of a communication apparatus and which has less of an insertion loss during a transmission. A strip line disposed in the RF switch is formed by combining first and second strip lines having different values of characteristic impedance from each other.

Abstract: A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the divider. Within the divider, the input signal is divided into a plurality of individual signals. The individual signals are received by receiving antennas and provided to respective amplifiers. The amplifiers amplify the respective individual signals by a desired amplification factor. The amplified individual signals are provided to a plurality of transmitting antennas within the combiner. Inside the combiner, the amplified individual signals are combined to form an output signal that is received by a receiving antenna in the combiner.

Abstract: An ultrafast sampler includes a series of Schottky diodes configured with a coplanar waveguide to form a nonlinear transmission line (NLTL) that compresses a local oscillator input to form a series of strobe pulses. Strobe pulses of opposite polarity are capacitively coupled to sampling diodes to obtain samples of a signal applied to a signal input. The samples are directed along an intermediate frequency waveguide to, for example, a signal processor such as an oscilloscope, for storage and analysis. The intermediate frequency waveguide is configured so that conductors of the intermediate frequency waveguide receive signal samples of a common polarity and strobe samples of opposite polarities so that portions of strobe pulses delivered to a signal processor are distinguished from signal samples.

Abstract: An impedance converter device comprises an electrically conductive external conductor with one or more connection locations for electrical lines, an electrically conductive internal conductor with one or more connection locations for electrical lines, and also a dielectric arranged between external conductor and internal conductor. The external conductor comprises a base area bounded by one or more side walls thereby forming an external conductor housing with an internal space and an opening opposite the base area. The internal conductor is arranged in the internal space. The internal conductor and the external conductor are insulated from one another by the dielectric. The internal conductor comprises at least one cutoff bar-type section with a cutoff bar bottom and at least one wall which extends from the bottom in the direction of the opening of the external conductor housing.

Abstract: A high power, non-directional tap coupler having low loss and expanded bandwidth using a novel airline coaxial line structure. Each of the main and secondary conductors forms a concentric structure of constant dimension over a substantial length inside a metallic housing. The coupled port conductor is connected perpendicularly at the middle point to the secondary conductor. The conductors form a novel structure in which coupling remains relatively constant over a broadband frequency range and main line VSWR remains low. The result is a non-directional tap coupler with a wideband operational frequency, a reduced physical size, and low loss and with good PIM performance.

Abstract: A photonic band gap coplanar waveguide transmission line and a method for fabricating a power divider using the same capable of increasing a characteristic impedance, increasing a signal line width of the transmission line and providing high power, includes: a ground conductive layer formed on a substrate; linear grooves formed on the ground conductive layer; a signal line formed between linear grooves; rectangular grooves formed close to the signal line, and formed on the ground conductive layer; and slots formed at the rectangular grooves respectively, and connecting the rectangular groove and the linear groove.