151 results about "Power combiner" patented technology

The invention discloses a high-isolation waveguide three-way power dividing and combining network structure which comprises a waveguide three-way power divider and a waveguide three-way power combiner, and an amplifier is connected between the waveguide three-way power divider and the waveguide three-way power combiner. The waveguide three-way power divider comprises a power divider upper waveguide cavity and a power divider lower waveguide cavity which are symmetrically arranged, and the power divider upper waveguide cavity and the power divider lower waveguide cavity are connected through screws. The waveguide three-path power combiner comprises a combiner upper waveguide cavity and a combiner lower waveguide cavity which are symmetrically arranged, and the combiner upper waveguide cavity and the combiner lower waveguide cavity are connected through screws. Microwave signals are distributed by the waveguide three-way power distributor, amplified by the amplifier, and then combined by the three-way power combiner. By constructing a brand-new three-path power division and synthesis network architecture, the problem of mutual load traction of amplifiers in a traditional non-isolated network is solved, and the stability of power synthesis is improved.

A method for topological design optimization in which a number of objective scattering(S) parameters are initially decomposed into a product of smaller devices (primitives). Each of the primitives are optimized in parallel using inverse design; and the topologies of the smaller devices are then composited into a final device design region, in which the final device design region is an initialization of a final optimization, advantageously saving computation time. According to at least one embodiment, the herein described optimization procedure can be utilized in order to design a composite power combiner that is essentially phase-insensitive.

The invention discloses a single-stage cavity type power combiner capable of adjusting output power, the single-stage cavity type power combiner is used for an accelerator high-frequency system power source, the single-stage cavity type power combiner adopts a section of coaxial line resonant cavity folded into an n shape as a main body structure of the combiner, and by increasing the number of branches synthesized at a time, the output power of the combiner can be adjusted. The number of the single-stage cavity type power combiner is equivalent to the number of branches of the multi-stage power combiner, so that the multi-stage power combiner is replaced by the single-stage cavity type power combiner; the single-stage cavity type power combiner comprises a plurality of input coupling structures, an output coupling structure and a coaxial line resonant cavity, the plurality of input coupling structures are divided into two groups and are symmetrically distributed at two ends of the coaxial line resonant cavity shaped like a Chinese character'ji ', and each input coupling structure is directly connected with an output port of each power amplifier unit; when the single-stage cavity type power combiner has a module fault, the coupling between the fault module and the system can be quickly relieved, and the output power of other power amplifier modules is adjusted, so that the overall output power is recovered to be balanced.

Power-combining devices and more particularly spatial power-combining and related structural arrangements are disclosed. Such structural arrangements involve mechanical connections between center waveguide sections and input and / or output coaxial waveguide sections that provide scalable structures for different operating frequency bands, improved mechanical connections, and / or improved assembly. Exemplary structural arrangements include structures that extend through center waveguide sections and into input and / or output coaxial waveguide sections, integrated mechanical structures within the center waveguide section, compression fit arrangements, dielectric inserts arranged within channels of coaxial waveguide sections, and / or various combinations thereof.

The invention discloses a 16-in-one high-power combiner working in a radio frequency band, and belongs to the technical field of fusion radio frequency heating. The invention comprises a coaxial input hard feeder line, a radial transmission line (RTL), a gradient impedance matching coaxial line and a coaxial output hard feeder line. The physical size is designed through theoretical calculation, electromagnetic field distribution is optimized through simulation, 16 radio-frequency signal input ports are designed through radial symmetric topology, a radial transmission line serves as a main synthesis path of radio-frequency signal source power, the power input by the 16 radio-frequency signal source ports is subjected to one-step efficient synthesis in the center of the radial transmission line, and the radio-frequency signal source power is obtained. And the 50-ohm characteristic impedance standard output of the synthesized radio frequency signal power is realized through an impedance matching technology. The sixteen-in-one power combiner designed by the invention has the characteristics of high synthesis efficiency, symmetrical structure, good amplitude and phase consistency, high isolation, low return loss, low reflection loss, simple design structure, easiness in manufacturing and the like.

The invention relates to the technical field of power amplifiers, and discloses a GaN broadband radio frequency power amplifier which is applied to a multi-nuclear magnetic resonance system. The GaN broadband radio frequency power amplifier comprises a balance and nonlinear correction module, a preceding stage radio frequency amplification module, a driving stage radio frequency amplification module, a power divider, a radio frequency power amplifier and a power combiner. According to the invention, through the equalization and nonlinear correction module based on frequency identification, the fluctuation of the broadband gain is reduced, through linear correction, the stability of the gain and the stability of the phase are realized when the input power of the working frequency band is changed, and the frequency band coverage, the output power and the efficiency are improved.

The invention discloses a high-precision calibration amplitude-phase control device and a transceiver, the amplitude-phase control device and the transceiver are composed of one or more circuit devices of a phase shifter, an attenuator, an amplifier, a power combiner, a power divider and a transceiving switch, and a high-precision calibration circuit of the amplitude-phase control device comprises a calibration adjustment unit. The calibration adjusting unit is composed of one or more of a resistance network, a capacitance network, an inductance network, a transistor network and a switch element network. An adjustable resistance network is introduced into a phase shifter orthogonal signal generation circuit, an adjustable capacitance network is introduced into a variable gain amplifier of the attenuator, performance parameters of the phase shifter and the attenuator are adjusted by regulating and controlling the resistance network and the capacitance network, an amplitude-phase control device and a transceiver are regulated and controlled through a calibration adjustment unit, and the amplitude-phase control device and the transceiver are adjusted and controlled through a calibration adjustment unit. And high-precision calibration and optimization of performance parameters of the amplitude-phase control device and the transceiver are realized.

The invention provides a satellite-borne interference SAR (Synthetic Aperture Radar) system based on a reflector antenna system. The satellite-borne interference SAR system comprises a reflector antenna, a power combiner, a transceiving channel, a circulator, a low noise amplifier component, a radar processor and an inter-satellite communication terminal, the interference mode of the spaceborne interference SAR system adopts a two-satellite formation flight mode, and the spaceborne interference SAR system configurations of the two satellites are completely consistent; during working, any satellite is set as a primary satellite, and the other satellite is set as a secondary satellite; time, space and phase synchronization is carried out on the satellite-borne interference SAR systems of the two satellites, space synchronization is achieved through the satellites, time synchronization is achieved through an S-frequency-band and Ka-frequency-band communication link, and phase synchronization between the satellite-borne interference SAR systems is achieved through an X-frequency-band and Ka-frequency-band communication link. The system has the advantages of stable performance, high efficiency, strong expansion capability and the like.

An example device includes a first primary coil, a second primary coil, a combined power output, a first directional coupler output, a second directional coupler output. The example device also includes a secondary coil coupled to the combined power output, configured to magnetically couple to the first primary coil, and configured to magnetically couple to the second primary coil. The example device further includes a tertiary coil configured to magnetically couple to the secondary coil and including a first end coupled to the first directional coupler output, and a second end coupled to the second directional coupler output.

The invention relates to the technical field of radio frequency power synthesis, and provides an anti-phase broadband power synthesizer based on a high-permeability material, which comprises four power synthesis input ports, namely a port P2, a port P3, a port P4 and a port P5; an output port, namely a port P1; the five transmission line transformers, namely the transmission line transformer TL1, the transmission line transformer TL2, the transmission line transformer TL3, the transmission line transformer TL4 and the transmission line transformer TL5, all adopt coaxial lines, and the core and the shell of each coaxial line form the transmission line transformer with the ratio of 1: 1 and are all wound on a magnetic core made of a high-permeability material. According to the synthesizer, a high-permeability material is introduced, the natural anti-phase characteristic of the high-power transmission line transformer is utilized, an anti-phase power synthesis network is constructed, and the problems that in traditional broadband power synthesis, the broadband power synthesis difficulty of the frequency band ranging from 9 kHz to 100 MHz is large, and the power capacity is insufficient are solved.

The invention relates to the field of signal processing, in particular to a frequency doubler device for suppressing quartic stray. The device comprises: a power divider-90 DEG for receiving an input signal; the input ends of the two frequency doublers are respectively connected with the two output ends of the power divider (-90 degrees); and the input end of the power combiner (180 DEG) is connected with the output ends of the two frequency doublers. According to the frequency multiplier device for suppressing the quartic stray, the high suppression degree of quartic harmonics is achieved, and the frequency multiplier device has a large application prospect in broadband radar signal generation.

An exemplary device includes a first primary coil, a second primary coil, a combined power output, a first directional coupler output, and a second directional coupler output. The exemplary device also includes a secondary coil coupled to the combined power output, configured for magnetic coupling with the first primary coil and configured for magnetic coupling with the second primary coil. The exemplary device further includes a tertiary coil configured for magnetic coupling with the secondary coil, comprising a first end coupled to the first directional coupler output and a second end coupled to the second directional coupler output.

The present invention discloses a feed network system, belonging to the field of antenna feeding technology. It comprises four 2x2 rectangular arrays of equal-amplitude, 90° network sub-arrays and a power combining network composed of a four-in-one Wilkinson power combiner located at the bottom of the sub-arrays. The four arrays of equal-amplitude, 90° network sub-arrays achieve signal synthesis output through a cascaded four-in-one Wilkinson power combiner. The equal-amplitude, 90° network sub-arrays comprise a first metal ground plate, a first microwave substrate, a first metal signal line, a first prepreg, a second microwave substrate, a second metal ground plate, a second prepreg, a second metal signal line, a third microwave substrate, and a third metal ground plate, stacked sequentially from top to bottom. The microwave substrates are bonded together by prepregs, thereby achieving a feed network capable of connecting four feed points with right-handed equal-amplitude, 90° antenna signals. The present invention reduces the horizontal and lateral dimensions of the feed network, achieving miniaturization and high integration of the antenna array.

The application discloses a V-band six-way waveguide power combiner and belongs to the technical field of satellite communication. The application comprises a shielding box main body, wherein a straight-through input port, a branch waveguide three-way power divider, an input waveguide cavity, an input co-planar magic T, a waveguide-microstrip-waveguide conversion structure, an output co-planar magic T, an output waveguide cavity, a branch waveguide three-way power combiner and a straight-through output port are arranged in the shielding box main body from left to right. An isolation waveguide cavity is arranged on the front and back sides of the input port of the branch waveguide three-way power divider and on the front and back sides of the output port of the branch waveguide three-way power combiner. A wedge-shaped wave-absorbing material is arranged in the isolation waveguide cavity. The shielding box main body comprises an upper box body and a lower box body, the upper box body and the lower box body are fixed through screws and form the shielding box main body. The application realizes non-binary power combination and has the characteristics of small insertion loss, wide frequency band and good isolation.

The invention relates to a power combiner (1) for coupling RF signals, in particular designed for a plasma processing supply system and a plasma processing system, the power combiner (1) being designed for a predefined operating frequency range with frequencies in the range of 2 MHz to 200 MHz, in particular in the range of 10 MHz to 50 MHz, the invention relates to a power combiner designed for output power > = 2 kW, preferably output power > = 4 kW, comprising: e) a plurality of inputs (In1 to In4) designed for connecting RF power amplifier stages (AS1 to AS4); f) a main output (OUT); g) a plurality of coupling elements, in particular in the form of inductors (L1 to L4), each coupling element connecting one input (In1 to In4) to the main output (OUT); h) a balancing circuit (B) connecting the inputs (In1 to In4) to each other, having: iii) an energy absorber, in particular in the form of resistors (R1 to R4), and a balancing line (W1 to W4), having a fixed characteristic impedance and a length of this,

This invention belongs to the field of optical fiber communication technology and discloses a low-refractive-index doped mother tube, a capillary, a preparation method, and applications. The invention first deposits a low-refractive-index doped silicon dioxide layer on the inner surface of a pure silicon dioxide liner to prepare a low-refractive-index doped mother tube. Then, the low-refractive-index doped mother tube is heated to its softening temperature and drawn to obtain a low-refractive-index doped capillary. The minimum relative refractive index difference of the low-refractive-index doped silicon dioxide layer in this invention is -1.8% to -2.6%. The low-refractive-index doped capillary designed in this invention can be used to prepare optical fiber power combiners and can improve the performance of the combiners.

The invention relates to an on-chip fully-integrated terahertz signal spread spectrum device based on a SiGe BiCMOS (Bipolar Complementary Metal-Oxide-Semiconductor Transistor) process. The on-chip fully-integrated terahertz signal spread spectrum device comprises a filtering frequency doubler, a single-ended differential Balun, a differential filtering frequency tripler, a differential driving amplifier, a differential power divider, a differential power amplifier, a differential filtering frequency doubler, a terahertz power combiner and a transmission line waveguide converter. Radio frequency input of 9.16 GHz-13.75 GHz is externally provided, the radio frequency input is converted into a differential signal through the single-ended differential Balun after being subjected to frequency doubling twice through the two filtering frequency doublers, the differential signal is subjected to frequency doubling triple through the differential filtering frequency tripler, the single-path differential signal obtains gain through the differential driving amplifier, the single-path differential signal is converted into two-path signals through the differential power divider, and the two-path signals are transmitted to the output end of the output end of the output end of the output end of the output end of the output end of the output end of the output end of the output end. Differential power amplification and differential filtering frequency doubling are respectively carried out, and then the signals are combined into one path by a terahertz power combiner, so that a terahertz signal of 220GHz-330GHz is obtained.

The application discloses a Ka-band eight-way power combiner, which comprises a shielding box body, wherein a straight-through input port, an input waveguide cavity, an input coplanar magic T, a secondary waveguide power division module, a waveguide-microstrip double-probe conversion structure, a secondary waveguide power synthesis module, an output waveguide cavity, an output coplanar magic T and a straight-through output port are sequentially arranged in the shielding box body along a signal transmission direction; the secondary waveguide power division module and the secondary waveguide power synthesis module both adopt an E-T junction structure and are integrated with a three-stage waveguide E-plane stepped structure, so as to realize impedance matching from an input end to an output end; the Ka-band eight-way power combiner has high synthesis efficiency, extremely low amplitude imbalance and phase imbalance in the Ka band through multi-stage waveguide impedance matching, optimized double-probe conversion and symmetrical layout design. The combiner has the advantages of compact structure, large power capacity, simple machining and assembly and good stability.

The invention discloses an antenna optimization method, system and device based on a QVE frequency band feed source network, and a medium, and relates to the technical field of antennas. The method comprises the following steps: acquiring a QVE frequency band illumination angle parameter and an edge illumination level parameter; calculating the standard radius of the circular waveguide and establishing a longitudinal groove geometric parameter constraint relation to obtain longitudinal groove differential geometric parameters; determining a first orthogonal support arm length deviation value and a broadside structure parameter of the first-stage turnstile structure by taking a preset phase difference angle of orthogonal polarization radio frequency signals of the first-stage turnstile structure as a target; constructing a dual circular polarization network and a stepped transition structure; constructing a power combiner and a Chebyshev impedance matcher; and integrating the differential longitudinal slot feed source, the dual-circular polarization network and the orthogonal mode converter to obtain a QVE frequency band feed source network, and performing antenna feed through the QVE frequency band feed source network. By implementing the technical scheme provided by the invention, the feed efficiency of the antenna system can be improved, so that the performance of the antenna system is enhanced.

This disclosure discloses a Class E amplifier symmetrical amplifier topology circuit for an RF generator and relates to the field of RF power amplifiers to address the problems of low efficiency and poor stability of current symmetrical amplifier topology circuits for RF generators. In the Class E amplifier symmetrical amplifier topology circuit, one input of the first power divider is connected to an output of a power supply; one output of the first power divider is sequentially connected in series with the 90-degree phase shifter, the second power divider, the first Class E matching network, and the first power combiner; the other output of the first power divider is sequentially connected in series with the third power divider, the second Class E matching network, and the second power combiner.The outputs of the first and second power combiners are each connected to a coupling terminal and an input terminal of the quadrature coupler; a co-source terminal of the quadrature coupler is connected to a load; the first Class E matching circuit and the second Class E matching circuit each have N Class E reference matching circuits; the Class E reference matching circuit has an input matching circuit, a Class E RF power amplifier, and an output matching circuit connected in series.

The utility model relates to a combined two-in two-out polarization switch structure, including, function module, the function module includes side by side arrangement's two microwave two -way switch and the up and down stack setting's two microwave two -way power combiner, and the output of each microwave two -way switch is connected with two microwave two -way power combiner an input respectively, the packaging shell is encapsulated with the function module in the packaging shell, the utility model uses mature modularization product, spares the time and cost of redesigning, whole system installation is convenient, does not need to rearrange interface, and the combination adopts six -sided board interlaced splicing structure, and the convenient dismounting is convenient.

The present invention increases the output voltage of a switching amplifier in a situation where the power supply voltage is limited. The switching amplifier includes first and second switches that are turned on and off in a complementary manner, and a capacitance, both ends of which serve as inputs to a power combiner. Both ends of the capacitance are connected to output ends of the first and second switches. The capacitance is supplied with power along with the operation of the first and second switches. As a result, an electric charge in the capacitance is used as a charge pump, and is used alternatingly for boosting or stepping down the output voltage depending on the operation frequency of the switching amplifier, thereby generating a rectangular voltage with a controlled wave height.

The utility model provides an optical receiver system. An optical receiver system includes an optical circuit, which may include a phase shift device, a demultiplexer device, a power combiner device, and / or a power divider device. Different combinations of these devices within the optical circuit may balance and / or reduce photocurrent within the photodiode device to improve performance (e.g., bandwidth) of the optical receiver system relative to another optical receiver system that does not include the optical circuit.

The invention discloses a millimeter wave Doherty power amplifier and rectangular ring slot antenna integrated chip. The integrated chip comprises a Doherty power amplifier (1) and a rectangular ring slot antenna (2) which are connected in sequence, a radio frequency signal is input from the input end of the Doherty power amplifier (1), an output signal of the Doherty power amplifier (1) is output through the power combiner (13) and connected to the rectangular ring slot antenna (2), and the rectangular ring slot antenna (2) serves as a load of the Doherty power amplifier (1). The chip works in a millimeter wave frequency band; compared with a traditional discrete scheme that a power amplifier is connected with an antenna, the rectangular ring slot antenna has the advantages of being small in size, high in integration level, low in transmission loss and the like. The method has the advantages that the bandwidth is wider, and the influence of the topological shape of the power amplifier circuit on antenna pattern distortion and impedance position movement is small. The invention can be widely applied to high-integration millimeter wave sensors, communication systems and medical detection.

The present invention relates to the field of beamforming integrated circuits, and provides a hybrid multi-beamforming circuit structure, including: a power divider, receiving a first data stream for dividing the first data stream into a plurality of second data streams; and a power combiner, receiving the second data streams and combining the plurality of second data streams into a third data stream, where an input port of an FTVAP circuit is connected to an output port of the power divider, and an output port of the FTVAP circuit is connected to an input port of the power combiner, to control an amplitude, a phase, and time delay of the second data streams. A BTVAP circuit is connected to an input port of the power divider to control an amplitude, a phase, and time delay of the first data stream, or the BTVAP circuit is connected to an output port of the power combiner to control an amplitude, a phase, and time delay of the third data stream. The present invention is provided with a simple and proper structure, greatly improving an integration degree and reducing costs. The present invention is used in a phased array, implementing multi-beamforming and beam scanning.

The invention discloses a power combiner based on combination of transmission line transformers and strip lines. The power combiner comprises two strip line combination networks and two transmission line transformers. The strip line synthesis network comprises an output impedance matching strip line and a plurality of input impedance matching strip lines. One end of each input impedance matching strip line is connected with the corresponding input terminal, and the other end of each input impedance matching strip line is connected with the strip line convergent point and connected with the output impedance matching strip line through the strip line convergent point. And the output impedance matching strip lines of the two strip line synthesis networks are respectively connected with second ports of the two transmission line transformers through output points. The second ports and the third ports of the two transmission line transformers are in cross connection, the first ports are connected with the output terminals, and the fourth ports are grounded. And the output points of the two strip line synthesis networks are connected through a balance resistor. According to the power combiner, the transmission line transformer and the strip line type device are combined, so that the power combiner integrates the advantages of the transmission line transformer and the strip line type device.

The application relates to a broadband radio frequency power combiner based on a T waveguide and a double-ridge waveguide, belonging to the field of waveguide devices, which comprises a combining structure, a T waveguide output port, a T waveguide input port and a double-ridge waveguide load port; two T waveguide input ports are connected at two ends of the combining structure through input port transition structures respectively, and the top of the T waveguide output port is connected with the input port transition structures; the double-ridge waveguide load port is connected with the combining structure through a load port transition structure; a matching step one is arranged at the middle of the back of the combining structure, one end of the matching step one extends longitudinally to the top of the T waveguide output port, and the other end extends to the double-ridge waveguide load port. The application has the advantages of the T waveguide power divider / combiner, such as wide working bandwidth, high combining efficiency, large power capacity and binary combining branch expansion, and the matching step one and the matching step two on the combining structure are connected with the double-ridge waveguide load, so that the application also has the advantage of high isolation.

In a general aspect, a magnetic resonance system is operated. In some examples, an amplifier circuit for a magnetic resonance system includes first and second switch devices, a high-power amplifier (HPA) device, and a power combiner device. The first switch device includes an input port and two output ports. The HPA device includes an HPA input port and an HPA output port. The HPA input port is coupled to a first output port of the first switch device. The second switch device includes input and output ports. The power combiner device includes two input ports and an output port. A first input port of the power combiner device is coupled to the output port of the second switch device. A second input port of the power combiner device is coupled to the second output port of the first switch device along a path that bypasses the HPA device.

The present invention increases the output voltage of a switching amplifier in the case of a limited supply voltage. The switching amplifier is provided with a first switch and a second switch which are turned on and off in a complementary manner, and a capacitor whose terminals are used as inputs of a power combiner. The terminals of the capacitor are connected to the output terminals of the first switch and the second switch. Depending on the operation of the first switch and the second switch, the capacitor receives a supply from the power supply. As a result, the load in the capacitor is used as a charge pump, which alternately steps up or steps down the output voltage via the operating frequency of the switching amplifier, thereby generating a rectangular voltage with a controlled wave height.

A four-way synthesized compact tunable series-parallel power combining network belongs to the field of power combining technology and solves the problems of existing power combining networks being difficult to miniaturize and unable to be used in multiple frequency bands. The present invention uses differential series power combiner transmission lines to form a fully differential transformer structure with two symmetrical double-coil windings and a double-layer metal stack. The parallel power combiner transmission lines form two symmetrical parallel planar spiral baluns. Four pairs of differential feed input terminals of the series power combiner input differential signals, which are fed through the series power combiner and the interlayer coupling of the parallel power combiner in the lower layer, and the synthesized signal is output through the intermediate output terminal of the parallel power combiner. A tunable capacitor array and the differential series power combiner transmission lines form an LC resonant network, and the port impedance of the differential feed input terminal is adjusted by the capacitor. The power combining network of the present invention has a small size and a compact structure and can be used in multiple operating frequency bands.