91 results about "Power combiner" patented technology

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.

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 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 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.

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 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 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.

The utility model relates to the technical field of microwave power sources, in particular to an eight-path power synthesis device mainly applied to an accelerator power source system. The eight-path power synthesis device comprises eight paths of input ports, one path of output port and eight paths of power synthesis units, and each path of power synthesis unit is connected to a coaxial change-over switch; each coaxial change-over switch is provided with at least three ports which are respectively used for connecting the corresponding input ports, the short circuiters and the input ends of the power synthesis units; according to the invention, by automatically adjusting the configuration of the input port of the power combiner, the power transmission path is optimized, the power reflection and loss are reduced, the power combining efficiency is improved, and the performance of a solid-state power source is fully exerted.

Power combiners and associated methods of manufacturing are provided. An example power combiner includes a plurality of power input structures each of which defines a waveguide that receives a respective electromagnetic radiation input from a respective power source and a central combining conduit. The central combining conduit receives the respective electromagnetic radiation inputs communicated via respective power input structures and combines the respective electromagnetic radiation inputs into a combined power signal for output via an output port communicably coupled with the central combining conduit. The central combining conduit defines a waveguide structure that is configured to minimize insertion loss between the respective electromagnetic radiation inputs and the combined power signal. The central combining conduit may combine the electromagnetic radiation inputs in the absence of a tuning element and may reduce or substantially prevent back reflection of the electromagnetic radiation inputs received from the plurality of power input structures.

An electronic device includes: at least one antenna; and a power amplifier electrically connected to the at least one antenna. The power amplifier includes: a first amplification circuit; a first transformer; a first switch; a second amplification circuit; a second transformer; a second switch; the power combiner; and the third switch configured to electrically connect at least one of the first switch, the second switch, or an output port of the power combiner with the at least one antenna.

An RF power combiner / divider that combines a plurality of inputs into a combined output and comprises an isolating circuit coupling the inputs to a common floating point is provided. The isolating circuit includes a grounded resonant cavity inside which transmission lines are arranged, each of the transmission lines having a first end respectively connected to one of the inputs and an opposite second end connected to a grounded resistor arranged outside of the resonant cavity. Each of the transmission lines is coupled to a coupling portion of the resonant cavity, one end of the coupling portion being connected to ground and an opposite end of the coupling portion forming the common floating point.

The present invention provides a power control device that controls transmission of power between a plurality of batteries connected in parallel and a load, comprising: a power synthesizer configured to synthesize the power output from the plurality of batteries; and a power controller configured to control an output of the power from each of the plurality of batteries, and control driving of the load with the power output from the power synthesizer.

This disclosure is directed to a power amplifier (PA) including circuitry to amplify and filter transmission signals in a radio frequency (RF) circuit. The PA may include multiple core amplifiers coupled to a power combiner to amplify and filter the transmission signals. For example, the PA may activate the core amplifiers to provide the transmission signals with a peak output power. Alternatively, the PA may activate a reduced number of the core amplifiers to provide the transmission signals with a reduced output power lower than the peak output power. Activating a portion of the PA when providing the transmission signals with a reduced output power may reduce a power consumption and improve power efficiency of the PA.

The invention relates to a high-power radio frequency power combiner which comprises a structured heat dissipation copper plate serving as a combining node, the structured heat dissipation copper plate is connected with a plurality of impedance matching branches in parallel, and each impedance matching branch receives one power source input. All the input power source signals are combined into a single combined signal at the combining node, and the single combined signal is output to the filter network. By designing the structured heat dissipation copper plate serving as a combining node, an electrical function and a heat management function are integrally designed on a physical structure, so that the heat dissipation bottleneck of high-power continuous waves is solved, the heat drift problem and effective decoupling of impedance matching, fault isolation and filtering are realized, and the defect that in the existing high-power combining technology, the power consumption is low is overcome. Due to the fundamental defects of mutual performance restriction, complex design and poor thermal stability caused by integration of multiple functions in a single network, each functional module can be independently optimized to an optimal state.

A hybrid charging apparatus according to the disclosure includes an alternating current (AC)-direct current (DC) converter configured to convert AC input power into first DC power, a DC-DC converter configured to convert DC input power into second DC power, a power combiner configured to generate charging power for an electric vehicle according to at least one of the first DC power and the second DC power, and a charging controller configured to control the AC-DC converter, the DC-DC converter, and the power combiner.

The invention discloses an E-surface power combiner, and aims to solve the technical bottlenecks of low efficiency, difficult heat dissipation, complex structure and the like of a traditional power combining scheme under a high-power condition, and the main technical scheme is as follows: two E-surface double-sided power dividers are adopted to respectively realize power distribution and combination; the E-plane double-sided power divider is constructed by a five-layer substrate copper embedding process and a metal column array, so that two branch ports generate a phase difference of 180 degrees + / -5 degrees, and power equalization is realized; broadband impedance matching is realized by using a microstrip line trapezoidal transition structure, and the return loss in a frequency band of 3.7-9GHz is ensured to be lower than-10dB; the metal block containing the microfluidic channel is introduced between the power amplifier slides, the heat dissipation efficiency is remarkably improved by optimizing the design of the microfluidic channel, heat management under high power density is ensured, and the micro-fluidic chip has the advantages of being compact in structure, efficient in heat dissipation and high in reliability.

A cascaded radio frequency (RF) device comprises a first RF chip containing a first local oscillator designed to generate and output a first local oscillator signal during an operating time interval, a second RF chip containing a second local oscillator designed to generate and output a second local oscillator signal during the operating time interval, and a power combiner designed to combine the first local oscillator signal and the second local oscillator signal into a combined local oscillator signal and output the combined local oscillator signal to an input of the first RF chip and to an input of the second RF chip, wherein the first local oscillator signal and the second local oscillator signal exhibit the same frequency response during the operating time interval.

The utility model discloses a kind of straight-through coaxial waveguide radial power combiners, including outer cavity, inner cavity, cover plate, probe, medium, output end connector, input end connector, output connector mounting screw, cover plate mounting screw, input connector mounting screw, the probe is set in the bottom of inner cavity, the outer cavity, inner cavity, cover plate are sequentially connected from top to bottom, medium is sleeved on probe, output end connector is set above outer cavity by output connector mounting screw, the input end connector is set in the bottom of cover plate by input connector mounting screw.The utility model input connector and output connector are on the line of direction opposite in length direction, save the space of chassis in height direction, make chassis height lower;Save the space of chassis in width direction, make power amplifier module, power module better realize layout.

The application discloses a tray type traveling wave power combiner, which comprises a partition plate and two trays, the partition plate is arranged between the two trays, each tray is provided with a waveguide port on two opposite diagonal corners, each tray is provided with a first PCB plate, the first PCB plate is provided with a radio frequency circuit, the radio frequency circuit is connected with a microstrip probe, the partition plate is provided with two second PCB plates, each second PCB plate faces the first PCB plate, and the second PCB plate is provided with an EBG structure. The application can effectively avoid the influence of resonance on the traveling wave power combiner by arranging the EBG structure PCB plates on the two surfaces of the partition plate facing the radio frequency circuit PCB plate; the resonance of the working frequency band of the traveling wave power combiner is eliminated by arranging the EBG structure PCB plate, the circuit layout of the first PCB plate is not affected, the radio frequency circuit is more compact, the transmission loss is reduced, and the synthesis efficiency of the traveling wave power combiner is improved. The application can be widely applied in the field of power combiners.

The invention relates to an asymmetric transmission line power combiner. An example apparatus described herein includes a first pad (140A), a second pad (140H), and a transmission line (135) including a first end (155) configured to be coupled to monitoring circuitry (125), wherein the transmission line (135) includes a second end (150). The example apparatus also includes a first switch (145A) coupled to the first pad (140A), wherein the first switch (145A) is coupled to the transmission line (135) between the first end (155) and the second end (150). The example apparatus further includes a second switch (145H) coupled to the second pad (140H) and to the second end (150) of the transmission line (135), wherein an impedance of the first switch (145A) is higher than an impedance of the second switch (140H).

Disclosed is an analog equalizer network apparatus for wideband LOS-MIMO processing, the apparatus according to an embodiment including: a power distributor configured to distribute a first input signal received through a receiving antenna of a wideband LoS-MIMO network to a first path from a first input terminal to a first output terminal, and distribute a second input signal received through the receiving antenna to a second path from a second input terminal to the first output terminal; a first delay line located on the first path, and configured to delay the first input signal distributed to the first path; a second phase shifter located on the second path and configured to shift a phase of the second input signal distributed to the second path; and a power combiner configured to combine the delayed first input signal and the phase-shifted second input signal to perform channel separation.

This invention discloses an amplitude and phase consistency calibration system for a high-power combining system, comprising multiple transmit link modules, a power combiner, a main controller, and a host computer. It also discloses a calibration method for amplitude and phase consistency in a high-power combining system. This method sets the voltage standing wave ratio (VSWR) and reflected power of each input port as mandatory safety constraints and embeds them into the optimization algorithm. A calibration strategy is adopted that increases progressively from low power to high power, prioritizing the adjustment of the phase of the channel with the highest reflected power, and finally performing amplitude fine-tuning. This invention is applicable to the high-power radio frequency field, overcoming the major drawbacks of traditional unconstrained phase synchronization algorithms that easily lead to excessive reflected power and damage to core components in multi-channel power combining. While ensuring absolute system safety, it achieves efficient and reliable amplitude and phase calibration in high-channel, high-power combining systems, significantly improving the system's engineering feasibility and reliability.

The utility model discloses a ferrite two-path power combiner with an adjustable input power proportion. The ferrite two-path power combiner comprises a first input port, a second input port, a first impedance conversion unit, a second impedance conversion unit, a power combining unit and an output port, a first power signal flows into the first impedance conversion unit through the first input port; a second power signal flows into the second impedance conversion unit through the second input port; the output of the first impedance conversion unit and the output of the second impedance conversion unit are both input into the power synthesis unit, and a synthesized power signal is output by an output port; a wiring position of a first input port and an input end of a first impedance conversion unit, a wiring position of a second input port and an input end of a second impedance conversion unit, and a wiring position of an output end of the first impedance conversion unit and a power synthesis unit are changed; and the output end of the second impedance conversion unit is connected with the wiring position of the power synthesis unit, so that the adjustment of the input power proportion and the impedance conversion proportion is realized.