367 results about "Radio frequency circuits" patented technology

Certain aspects of the present disclosure provide techniques for identifying a minimal, or at least reduced, set of representative calibration paths in radio frequency (RF) circuits and calibrating other calibration paths based on calibration codes used for the representative calibration paths. An example method generally includes receiving a calibration data set including measurements associated with each calibration path of a plurality of calibration paths in an RF circuit. Based on a clustering model and the calibration data set, a plurality of calibration clusters is generated. From each respective calibration cluster of the plurality of calibration clusters, a respective representative calibration path for is selected for the respective calibration cluster. Generally, calibration codes generated for the representative calibration path are applicable to other calibration paths in the calibration cluster. A lookup table is generated associating a respective calibration path with other calibration paths in each respective calibration cluster.

A device may include a mainboard including a grounding unit, a radio-frequency circuit, and a conductor, wherein an annular radiation slot is provided on the conductor. The device may include a feeding terminal having a first end connected to a feeding point of the conductor and a second end electrically connected to the radio-frequency circuit of the mainboard. The device may include a first inductor having a first end connected to a grounding point of the conductor and a second end electrically connected to the grounding unit of the mainboard. The device may include a first capacitor provided in the annular radiation slot and having two electrodes respectively connected to both ends of the annular radiation slot in a width direction of the annular radiation slot, located between the feeding terminal and the first inductor in a length direction of the annular radiation slot.

The invention belongs to the field of electronic design automation, and discloses a multi-agent radio frequency circuit netlist generation method and system based on a large language model, and the method comprises the steps: preparing a data set, and constructing a knowledge base; the method comprises the following steps: receiving and analyzing a natural language demand of a user, combining a cue word project and an RAG mechanism, carrying out chained reasoning, introducing a radio frequency design rule, and converting the information into structured parameter information; combining RAG knowledge base retrieval and new topology generation, and fusing PDK process constraints to obtain candidate topologies and a simulation netlist; a simulation tool is called to execute parameter analysis, iterative optimization is conducted on parameters in combination with a closed-loop feedback mechanism, and a final netlist meeting user requirements is obtained. Automatic decomposition, parallel cooperation and high-speed iteration of design tasks are achieved through multi-agent cooperation and in combination with the radio frequency knowledge graph and the RAG; introducing physical constraints to enable the generated topological structure and parameters to meet the physical constraints; and a closed-loop simulation feedback mechanism is fused, so that the dependence on manpower is reduced.

The invention provides a novel low-cost miniaturized TRSiP packaging structure, which relates to the field of wireless communication equipment and comprises an upper ceramic dielectric plate, a lower ceramic dielectric plate, a radio frequency circuit and a metal enclosure frame, a first metal bonding pad is arranged on the upper surface of the upper-layer ceramic dielectric plate, and a second metal bonding pad is arranged on the upper surface of the lower-layer ceramic dielectric plate; the radio frequency circuit comprises a radio frequency generation assembly and a metal column. The radio frequency generation assembly is arranged on the lower ceramic dielectric plate, the radio frequency generation assembly is connected with the second metal bonding pad, the lower end of the metal column is connected with the second metal bonding pad, and the upper end of the metal column is connected with the first metal bonding pad; and the metal enclosure frame is arranged between the upper-layer ceramic dielectric plate and the lower-layer ceramic dielectric plate and surrounds the radio frequency circuit. The structure has the advantages of being low in cost, small in size, high in integration, good in air tightness and high in structural strength, and the reliability is greatly improved.

The application discloses a high-reliability high-power three-dimensional heterogeneous integrated radio frequency antenna integrated microsystem, comprising a DPC substrate, a copper-based three-dimensional structure, a two-stage SiC adapter plate, a bare chip, a radio frequency circuit, a passive device and an antenna interface; wherein the DPC substrate is used for realizing integrated three-dimensional heterogeneous integration of the microsystem; the copper-based three-dimensional structure comprises a three-dimensional coaxial transmission structure and a three-dimensional packaging frame structure, and is used for realizing vertical transmission of high-power radio frequency signals and air-tight packaging of the microsystem; the two-stage SiC adapter plate is used for realizing a 2.5D*2 five-layer ultra-high-density mixed three-dimensional stacking architecture; the bare chip comprises a silicon-based Fan-out multifunctional bare chip, a power management bare chip, a power amplifier bare chip and a receiving bare chip; the radio frequency circuit comprises a radio frequency transmitting circuit and a radio frequency receiving circuit. The application forms a complete integrated air-tight packaging microsystem, and simultaneously realizes high reliability, high-density integration and high-power heat dissipation.

A radio frequency circuit includes first and second filters for first and second time division duplex (TDD) bands. Third and fourth filters cover third and fourth bands. A switch including a first terminal, a second terminal, and a third terminal to connect these filter to an antenna. The first terminal is connected to only the first filter and the second terminal is connected to only the second filter, among the filters having acoustic wave filters. The third terminal connects to both the third filter and the fourth filter. This configuration enables simultaneous transfer of a transmission signal of the first band and a reception signal of the second band, as well as simultaneous transfer of signals of the third and fourth bands. By isolating the TDD filters on separate terminals, signal quality and isolation are improved during simultaneous operation.

A method can include wireless circuits that, by operation of transmit switch circuits, include a transmit component in an output signal path between a transmit amplifier and an antenna port, the output signal path including a shared matching network. By operation of a transmit amplifier, an output signal can be generated for transmission over an output signal path to an antenna port. In a receive mode, by operation of the transmit switch circuits, an input impedance of the transmit component can be excluded from an input signal path between the antenna path and a receive amplifier. An input signal path can include the shared matching network. By operation of the receive amplifier, amplifying the received input signal. Corresponding devices and systems are also disclosed.

The invention provides a WIFI antenna impedance matching parameter generation method and device, equipment and a storage medium, and relates to the field of radio frequency circuit design. The method comprises the steps of obtaining input parameters in response to input operation; determining an initialization optimization parameter according to the input parameter; wherein the input parameter is basic data used for generating the impedance matching parameter of the WIFI antenna. On the basis of a preset optimization algorithm and the initialized optimization parameters, executing an operation of globally searching for an optimal solution, and determining candidate element parameters; and according to a preset application resonance constraint condition, carrying out forced correction on the candidate element parameters. Determining fundamental frequency impedance according to the forcibly corrected candidate element parameters; and if it is determined that the fundamental frequency impedance meets a preset fundamental frequency impedance matching degree threshold, determining that the candidate element parameters are WIFI antenna impedance matching parameters. Therefore, the problems of low design efficiency and single optimization target in the prior art are solved.

The invention relates to the technical field of mobile phone antennas, in particular to a mobile phone antenna and electronic equipment for exciting a floor characteristic mode based on a shunt feed technology, and the mobile phone antenna comprises a dielectric substrate, an antenna radiation metal patch on the outer side of the dielectric substrate, a metal floor arranged below the dielectric substrate, a low-frequency inverted-F antenna and a power divider, a first low-frequency feed port and a second low-frequency feed port are respectively arranged on corresponding radiation patches on two sides of the metal floor, and the two feed ports are simultaneously and electrically connected with an output end of the power divider through feeder lines, so that parallel feed of the low-frequency inverted-F antenna is realized, low-frequency characteristic modes of two long sides of the metal floor are simultaneously excited, and the low-frequency inverted-F antenna is formed. The low-frequency-band radiation efficiency is improved, the working bandwidth is expanded, and integration with a radio frequency circuit of the whole mobile phone can be completed only through a single excitation source.

In one embodiment, an apparatus includes a baseband processor to generate a baseband signal and a digital pre-distortion (DPD) circuit to pre-distort the baseband signal with compensation information obtained from a lookup table. The lookup table may have a plurality of entries each to store a pre-distortion value, the lookup table to be addressed based on a target output power level of the baseband signal. The apparatus also may include a converter to convert the pre-distorted baseband signal to an analog signal and radio frequency (RF) circuitry comprising: a mixer to upconvert the analog signal to a pre-distorted RF signal, and a power amplifier to amplify the pre-distorted RF signal.

The present application relates to the technical field of radio frequency circuits. Provided are a radio frequency front-end module and an electronic device. The radio frequency front-end module comprises: a first antenna switch, a first filter assembly, a second filter assembly, a first power amplifier, a first low noise amplifier and a second low noise amplifier. The first filter assembly is used for transmitting signals in a first frequency band, and the second filter assembly is used for transmitting signals in a second frequency band. The first antenna switch is coupled to a first antenna, and the first antenna is used for transmitting transmission signals in the first frequency band and receiving reception signals in the first frequency band. In a first state, the first antenna switch is in a dual-on state, and can support low-band + low-band combination scenarios. In the low-band + low-band scenarios, the module can simplify circuits, reduce costs, and facilitate module miniaturization.

The invention discloses a radio frequency circuit and a control method thereof, a radio frequency heating device, equipment and a medium, and the control method comprises the steps: controlling the radio frequency circuit to work in a first state, and the first state comprises that the working frequency point of a signal generation device is a preset frequency point, and the output power of a power amplifier is preset power; the preset power is smaller than rated output power of the power amplifier; controlling the signal generation device to traverse frequency points in a predetermined frequency band, and detecting the reflection power of the power amplifier in real time to obtain a target frequency point corresponding to the minimum reflection power; and controlling the signal generating device to work at the target frequency point, and adjusting the attenuation value of the automatic level control device, so that the output power of the power amplifier is the rated output power, and the attenuation value corresponding to the rated output power is the target attenuation value. An isolator is not needed, and the power amplifier can output rated power under different working frequencies by adjusting the attenuation value of the automatic level control device.

The utility model relates to aerosol generating equipment and an interaction system. The aerosol generating equipment comprises a metal shell, a radio frequency circuit and a signal transmission module, the radio frequency circuit and the signal transmission module are arranged in the metal shell; and the radio frequency circuit is electrically connected with the signal transmission module and is used for outputting a radio frequency signal to the metal shell through the signal transmission module, so that the metal shell serves as an antenna radiator to emit the radio frequency signal. According to the aerosol generating equipment, the radio frequency circuit and the signal transmission module are arranged in the metal shell, and the radio frequency signal output by the radio frequency circuit is output to the metal shell through the signal transmission module, so that the metal shell is directly used as an antenna radiator, a wireless communication function is realized, and the signal transmission module can transmit the radio frequency signal to the metal shell. And the all-metal shell meets the industrial design angle.

Embodiments of the present application provide a radio frequency compensation control method, a communication device and a storage medium, by determining the current connection state of the main radio frequency circuit and the antenna matching circuit in the radio frequency circuit of the communication device, and then performing at least one of power compensation and matching compensation on the communication device according to the connection state, the effect of providing different power compensation and / or matching compensation for the communication device under different connection states of the radio frequency circuit is realized, so that the communication device can have different radio frequency transceiving performance under different connection states of the radio frequency circuit, which can better meet the needs of the current working state of the communication device, and is beneficial to improve the accuracy of the test result of the communication device and the user experience of the communication device.

The invention relates to the technical field of wireless communication, and relates to a radio frequency transceiver, a combiner module, a first access module, a second access module and a third access module, the combiner module comprises a first combiner and a second combiner, the two input ends of the first combiner are respectively connected with the COM common end of the first access module and the COM common end of the second access module, the second combiner is respectively connected with the outlet end of the first combiner and the COM common end of the third access module, and the outlet end of the second combiner serves as an ANT interface; by means of the mode, multi-frequency-band radio frequency signal combining processing is achieved in a low-cost mode.

The utility model relates to electronic equipment technical field discloses a kind of radio frequency circuit and electronic equipment, radio frequency circuit includes: cellular communication antenna;First GPS antenna;Second GPS antenna, compared with first GPS antenna, with higher spatial isolation between the cellular communication antenna;Radio frequency switching circuit, the input of the radio frequency switching circuit is connected the first GPS antenna and second GPS antenna, the output of the radio frequency switching circuit is connected GPS demodulator;Control module is connected with cellular communication module, for according to the interference state of cellular communication module output, control the radio frequency switching circuit switching and the connection state of the first GPS antenna and second GPS antenna. By the interference state of cellular communication module output dynamic adjustment antenna path, to enhance overall anti-interference capability. It is favorable to provide more stable GPS receiving path in the scene where cellular interference exists.

The application provides a power amplification circuit, a radio frequency circuit, a radio frequency chip and an electronic device. The power amplification circuit comprises a power amplification unit, a signal conversion unit and a resonance unit. The power amplification unit has an input end and an output end, can perform power amplification processing on an input signal input from the input end to form a corresponding amplified signal, and outputs the amplified signal through the output end. The input signal is a differential signal comprising a first frequency band local oscillator signal, and the amplified signal is a differential signal comprising a second frequency band interference signal and the first frequency band local oscillator signal. The signal conversion unit is connected with the output end of the power amplification unit, and the signal conversion unit is used for converting the amplified signal from the differential signal into a single-ended signal. The resonance unit is connected with the signal conversion unit and is connected between the signal conversion unit and the output end of the power amplification circuit.

An antenna system according to an example embodiment of the present disclosure can include a first substrate that can include an antenna array that can have a plurality of antenna elements. The antenna system can further include a second substrate that can be spaced apart from the first substrate and can include a radio frequency circuit that can be operable to carry a radio frequency signal to communicate via the antenna array. The first substrate can have a curved configuration relative to the second substrate such that at least one of the plurality of antenna elements can be disposed on a curved surface of the first substrate.

Provided are an impedance matching circuit and method, a radio frequency circuit, and an electronic device, and belong to the technical field of electronics. The impedance matching circuit comprises a transducer, a first adjustable circuit and a first switch circuit coupled between a first coil of the transducer and a first signal end, a second adjustable circuit and a second switch circuit coupled between a second coil of the transducer and a second signal end, and a control circuit coupled with the adjustable circuits and the switch circuits. The control circuit can adjust the working parameters of the adjustable circuits and the on-off states of the switch circuits based on the input impedance and the output impedance determined under different signal gain configurations, so as to achieve impedance matching. Therefore, the impedance matching circuit can achieve better impedance matching for different signal gain configurations, and has better flexibility in impedance matching.

The invention discloses a sensing and probing integrated micro module based on a glass substrate and a working method, and belongs to the field of radio frequency circuit integration, the sensing and probing integrated micro module comprises at least two functional layers, the functional layers are arranged in a stacking mode; the functional layer comprises a glass substrate, a rewiring layer and a radio frequency functional chip, the rewiring layer is arranged on the glass substrate, and the radio frequency functional chip is fixed on the glass substrate through an electric connection structure and electrically connected with the rewiring layer; a vertical conductive through hole is formed between every two adjacent functional layers to realize signal interconnection, and the radio frequency functional chips of different functional layers form a complete radio frequency link at least comprising a transceiving function through the rewiring layer and the vertical conductive through holes; a radio frequency switch network is integrated in the micro module, and the radio frequency switch network is used for switching the complete radio frequency link among different working modes of sensing, detection and communication. According to the invention, the problem that sensing and probing integrated stacked packaging cannot be realized on a small size in the prior art can be solved.

The invention discloses a radio frequency circuit, method and device, electronic equipment and a readable storage medium, and belongs to the technical field of radio frequency. The radio frequency circuit comprises a signal transmitter used for transmitting a radio frequency signal; the power amplifier is connected with the signal transmitter and is used for amplifying the radio frequency signal; the switch module is connected with the power amplifier, the switch module comprises a first signal channel and a second signal channel, the first signal channel is provided with a filter, the second signal channel is a non-filtering channel, and the switch module is used for switching the power amplifier according to the power gain level of the power amplifier. Selectively conducting a first signal channel or a second signal channel associated with the power gain level to transmit the radio frequency signal; and the antenna is connected with the switch module and is used for receiving the radio frequency signal.

The invention discloses a broadband Schottky frequency tripling circuit structure and related components, and relates to the field of signal processing. Two groups of Schottky diode strings which are reversely connected in parallel are integrated on a single radio frequency circuit substrate, and an input split-phase structure and a synthesis output structure are matched, so that independent frequency doubling and power synthesis of two paths of differential signals in a single-chip circuit are realized, the effective power capacity is improved to twice that of a traditional single-channel structure, and the output power is improved. According to the structure, while the power is improved, a complex waveguide network and a plurality of independent radio frequency circuit substrates required by a traditional multi-channel power synthesis technology are avoided, the problems of transmission loss, volume expansion and channel consistency caused by the complex waveguide network and the plurality of independent radio frequency circuit substrates are eliminated, and the unification of high power, broadband, miniaturization and high integration level is really realized.

The present application discloses a radio frequency circuit and a control method therefor, a radio frequency heating apparatus, a device, and a medium. The control method comprises: controlling a radio frequency circuit to operate in a first state, the first state comprising an operating frequency point of a signal generation apparatus being a preset frequency point, and an output power of a power amplifier being a preset power, the preset power being less than a rated output power of the power amplifier; controlling the signal generation apparatus to traverse frequency points within a predetermined frequency band, and detecting a reflected power of the power amplifier in real time and obtaining a target frequency point corresponding to a minimum reflected power; and controlling the signal generation apparatus to operate at the target frequency point, and adjusting an attenuation value of an automatic level control apparatus, so that the output power of the power amplifier is the rated output power, and the attenuation value corresponding to the rated output power is a target attenuation value. By adjusting the attenuation value of the automatic level control apparatus without using an isolator, the power amplifier can output the rated power at different operating frequencies.

A radio frequency circuit including power amplifiers, a transformer having an input-side coil and an output-side coil, a bias circuit connected to the power amplifiers, an output terminal connected to one end of the output-side coil, an output terminal connected to another end of the output-side coil, a switch connected between the output terminal and a ground, a switch connected between the output terminal and a ground, a phase shift line having an input end connected to an output terminal of the power amplifier and an output end connected to one end of the input-side coil, and a phase shift line having an input end connected to an output terminal of the power amplifier and an output end connected to another end of the input-side coil.

The invention relates to a communication sensing integrated device with super-resolution and a calibration method, which can improve the angle resolution of an antenna in a low-cost manner, thereby improving the sensing function. The communication and sensing integrated device comprises a plurality of beam channels used for carrying out beam forming on received signals in a communication stage and a sensing stage; the first ends of the plurality of beam channels are connected with a plurality of antennas, and the second ends of the plurality of beam channels are connected with a baseband; in the communication stage and the sensing stage, the plurality of antennas are subjected to time division multiplexing so as to be used for receiving the receiving signals; wherein the plurality of antennas comprise a plurality of antenna sub-arrays; the plurality of first radio frequency circuits are connected between the baseband and the plurality of beam channels and are used for performing down-conversion on the received signals; the combining module is used for combining the received signals; and a switching module configured to selectively route the received signal from the plurality of beam channels to the combining module.

In various aspects, a radio frequency circuit is provided. The radio frequency circuit may include a substrate that may include a radio frequency front-end to antenna (RF FE-to-Ant) connector. The RF FE-to-Ant connector may include a conductor track structure and a substrate connection structure coupled to the conductor track structure. The substrate may include radio frequency front-end circuitry monolithically integrated in the substrate. The substrate connection structure may include at least one of a solderable structure, a weldable structure, or an adherable structure. The substrate connection structure may be configured to form at least one radio frequency signal interface with an antenna circuit connection structure of a substrate-external antenna circuit. The substrate may include an edge region. The substrate connection structure may be disposed in the edge region.

The utility model relates to a radio frequency feed-through component, a coaxial radio frequency feed-through component and a packaging piece for a radio frequency circuit. A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The radio frequency feedthrough component includes a ceramic body having a flexible non-ferrous conductor adhered to an outer peripheral surface of the ceramic body and to an inner peripheral surface of a hole passing through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and projects from at least one side of the aperture. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the hole and a non-ferrous conductor adhered to an inner circumferential surface of the hole. The RF feedthrough component may be assembled in the opening of the conductive housing to form an electromagnetic shielding package for the circuit.

The invention belongs to the technical field of antenna and radio frequency circuit integration, and discloses a cavity antenna circuit integrated metamaterial and a preparation method thereof. By removing part of the dielectric substrate to construct the artificial cavity, space is provided for a radio frequency functional circuit, and efficient coplanar integration of the antenna and the radio frequency circuit is realized. According to the invention, the mutual restriction of the thickness of the dielectric substrate on the antenna bandwidth and radio frequency circuit design can be overcome, the design flexibility and stability are improved, and the application scene is expanded. Through cavity and space stacking integration, the problem that in the prior art, an antenna and a radio frequency circuit are machined on the same layer of substrate at the same time, and consequently the design requirements of the antenna and the radio frequency circuit are contradictory is solved, the artificial cavity is formed in the bottom of the antenna medium, and the radio frequency function circuit executing the electromagnetic function is arranged in the artificial cavity, so that the antenna efficiency is improved. The prepared cavity antenna circuit integrated metamaterial can simultaneously exert the optimal performance of the two parts of an antenna and a radio frequency circuit, and the design flexibility is greatly improved.

This application discloses a radio frequency circuit and an electronic device. The radio frequency circuit includes a radio frequency integrated component and a controller. The radio frequency integrated component includes a first radio frequency port, a second radio frequency port, a third radio frequency port, two antenna ports, two single-pole multi-throw switches, and two filtering components. The controller is configured to control the first single-pole multi-throw switch to select a transmission link in which the first radio frequency port, the first filtering component, and the first antenna port are located; or control the first single-pole multi-throw switch to select a transmission link in which the second radio frequency port and the first antenna port are located, and control the second single-pole multi-throw switch to select a transmission link in which the third radio frequency port, the second filtering component, and the second antenna port are located.

The invention relates to a wireless communication apparatus and a packet reception control method thereof. A wireless communication device includes a radio frequency circuit, a baseband circuit, and a media access control circuit. The radio frequency circuitry is configured to receive a packet transmitted by an access point to generate a radio frequency signal and to convert the radio frequency signal to a baseband signal. The baseband circuit is coupled to the radio frequency circuit and is configured to decode the baseband signal to obtain bit data. The media access control circuitry is coupled to the baseband circuitry and is configured to parse the bit data to obtain information of a specific field in the packet and stop reception of the packet upon determining that the information of the specific field does not match the wireless communication device.