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Patent Searching and Data


Matches 301 - 350 out of 28,909

Document Document Title
WO/2023/082938A1
Embodiments of the present application provide a radio frequency power amplifier, comprising a first-stage power amplifier, a first transformer, a second-stage power amplifier, a second transformer, and a capacitor that are connected in ...  
WO/2023/083453A1
In one aspect, a method performed by a transmitter in a first device for signaling a nonlinearity profile of distortion of transmissions in a communications network is provided. The method includes generating an amplitude tracking refere...  
WO/2023/082934A1
Provided in the present utility model is an MMIC radio-frequency power amplifier. An amplifier chip unit is used for amplifying a single-ended input signal, and converting the single-ended input signal into two paths of differential inpu...  
WO/2023/086789A1
Methods and devices for realizing RF processing paths associated to different frequency bands are presented. According to one aspect, the RF processing paths are provided by a hybrid input LNA RF frontend that includes RF processing path...  
WO/2023/083383A1
The present invention relates to a power amplifier. The present invention particularly relates to switched-mode power amplifiers operable in a frequency range between 0.5GHz and 40GHz, and configured for outputting powers ranging from 1W...  
WO/2023/082939A1
Provided in the present utility model is an ultra-wideband communication low-noise amplifier, comprising a first amplification stage circuit, a second amplification stage circuit and an output follower stage circuit, which are connected ...  
WO/2023/082933A1
A radio frequency power amplifier (100), comprising a bias circuit (10). In the bias circuit (10), the base of a third transistor (Q2) is connected to the collector of the third transistor (Q2), the collector is connected to a reference ...  
WO/2023/081636A1
A system may include a driver configured to drive a load with a single-ended driving signal and a processing system configured to implement a function to minimize signal distortion within a signal path of the single-ended driving signal ...  
WO/2023/081068A1
Intra-symbol voltage modulation in a wireless communication circuit is disclosed. In a wireless communication circuit, a power amplifier circuit is configured to amplify a radio frequency (RF) signal based on a modulated voltage that tra...  
WO/2023/077251A1
Embodiments of the present application disclose a polar transmitter and a base station, a power amplifier of the polar transmitter being provided with a dual gate transistor. By means of inputting an envelope signal into a direct-current...  
WO/2023/079020A1
A RF pulse amplifying device comprises an amplifier configured to amplify a pulsed RF signal, a DC link configured to supply a DC bus voltage, and an energy storage device connected to the DC link. The amplifier comprises an input for re...  
WO/2023/078396A1
Embodiments of the present application disclose a power amplifier protection circuit and a method. The power amplifier protection circuit comprises a protection control circuit, an inter-stage adjustment circuit and a multi-stage power a...  
WO/2023/080433A1
One embodiment of the present disclosure relates to a current mirror circuit and a neuromorphic device comprising same, and provides a current mirror circuit and a neuromorphic device comprising same, which may enable an ideal current va...  
WO/2023/078058A1
The present invention provides a power amplifier, comprising a third capacitor, a first transistor, a first-stage matching circuit, a second transistor, a second-stage matching circuit, a third transistor, an output matching circuit, a f...  
WO/2023/078062A1
Provided in the embodiments of the present utility model is a Doherty radio frequency power amplifier, comprising a drive amplifier, a carrier input matching network, a carrier power amplifier, a peak input matching network, a peak power...  
WO/2023/081124A1
Various embodiments of the invention provide amplifier control systems and methods for adjusting a high frequency gain of an amplifier circuit. In certain embodiments, this is accomplished by varying an effective inductance of an amplifi...  
WO/2023/078061A1
A Doherty radio frequency power amplifier, comprising a drive amplifier (1), a carrier input matching network (2), a carrier bias circuit (3), a carrier power amplifier (4), a peak input matching network (5), a peak bias circuit (6), a p...  
WO/2023/078057A1
Provided in the present utility model is an HBT high-efficiency radio frequency power amplifier, comprising an input end; a drive power tube; a first spiral line balun, which is used for converting a single-end signal of the drive power ...  
WO/2023/078060A1
The present application provides a Doherty radio frequency integrated power amplifier, comprising a driving amplifier, a carrier input matching network, a carrier power amplifier, a peak input matching network, a peak power amplifier, an...  
WO/2023/078056A1
A high-efficiency radio frequency power amplifier (100), comprising a first-stage power amplification circuit (11), an inter-stage balun matching network (12), a second-stage power amplification circuit (13) and an output balun matching ...  
WO/2023/070438A1
Embodiments of the present disclosure provide digital predistortion method and digital predistortion apparatus. The digital predistortion method for power amplifier, PA, comprises: in accordance with a predicted traffic condition associa...  
WO/2023/075325A1
Embodiments herein disclose a method for controlling a non-linear effect of a power amplifier by an apparatus. The method includes acquiring an input data of the power amplifier of the apparatus and an output data of the power amplifier....  
WO/2023/076179A1
Aspects of the present disclosure provide a circuit (810) configured to adjust an input impedance of an amplifier such as a low-noise amplifier (130). In certain aspects, the circuit (810) is coupled to a node (X), wherein the node (X) i...  
WO/2023/074251A1
A tracker module (100) is provided with: an integrated circuit (80) which includes at least one switch included in a switched capacitor circuit (20) and at least one switch included in an output switch circuit (30A), and is arranged on a...  
WO/2023/076197A1
An amplifier circuit (300) includes an amplifier core (360) having a cascode transistor (372) and a gain transistor (374), a bias circuit (310) coupled to the amplifier core (360), the bias circuit (310) comprising: a first current sourc...  
WO/2023/072214A1
Disclosed in the present application are a power amplifier circuit, a radio-frequency chip, and an electronic device. The power amplifier circuit comprises: N stages of power amplifiers, which are connected in series in sequence, wherein...  
WO/2023/071833A1
Embodiments of the present utility model provide a multi-voltage domain-based power supply planning circuit, comprising a voltage detection module, a low-dropout linear voltage regulator, a first switch, a second switch and a low-noise a...  
WO/2023/074253A1
A high frequency circuit (1) comprises a carrier amp (11), a peak amp (12), an input-side coil (211), an output-side coil (212), higher harmonic suppression circuits (31 and 32), and a phase shift line (52). One end of the input-side coi...  
WO/2023/075344A1
The present invention relates to a dual mode power amplifier which can selectively operate in a low power mode for low output and a high power mode for high output, the dual mode power amplifier comprising: a high power amplifier includi...  
WO/2023/074254A1
This tracker module (100) comprises: an integrated circuit (80) that is located on one of the main surfaces (90a and 90b) of a module board (90); and at least one capacitor that is included in a switched capacitor circuit (20) configured...  
WO/2023/076291A1
An aspect of the disclosure relates to a method of reducing a third-order intermodulation component at a first terminal of a transistor (M1), including: receiving an input radio frequency (RF) signal cycling with a first frequency at a c...  
WO/2023/070474A1
The present application discloses a multi-band power amplification circuit, a radio frequency transceiver, and a base station, relates to the technical field of communications, and is used to improve the output power and broadband charac...  
WO/2023/067420A1
An impedance adaptor is provided, including first and second transmission lines, each of which is provided by an arm and includes a first conductor and a second conductor. The transmission lines are arranged such that the first conductor...  
WO/2023/068766A1
The present invention is to provide a consumption power improvement-type amplifier circuit for detecting an output signal and actively adjusting an SMPS bias voltage in order to optimally reduce consumption power, the circuit comprising:...  
WO/2023/065843A1
A transformer matching-based three-power synthesis radio frequency power amplifier. After a radio frequency input signal RFin sequentially passes through an input matching network and a first-stage two-signal amplifier circuit, one signa...  
WO/2023/065846A1
A boost protection circuit (100), comprising a voltage detection circuit (1), a current mirror circuit (2), and a bias circuit (3). The voltage detection circuit (1) comprises a voltage detection module (11) and a current limiting circui...  
WO/2023/068360A1
Provided is a power amplification circuit operating in a linear mode and a saturation mode, comprising: a signal output unit for receiving input of a control voltage and outputting an adjustment signal based on the linear mode or the sat...  
WO/2023/065844A1
The present utility model provides a boost protection circuit, comprising a voltage detection module, an overvoltage protection module, and a bias circuit module. The voltage detection module is configured to detect a first power supply ...  
WO/2023/068266A1
This power amplifying circuit comprises: a variable power distribution circuit that distributes a first signal to a second signal and a third signal different in phase from the second signal, and that is capable of reducing/increasing a ...  
WO/2023/065522A1
The present invention provides a fourth-order feed-forward compensated operational amplifier and a design method therefor. A gain and three zero points of a transfer function would be easily obtained on the basis of a structural design t...  
WO/2023/069831A1
Methods and devices to support multiple frequency bands in radio frequency (RF) circuits are shown. The described methods and devices are based on adjusting the effective width of a transistor in such circuits by selectively disposing ma...  
WO/2023/061086A1
Provided in the present utility model is a power amplifier. The power amplifier comprises an input matching network circuit, an amplification circuit module and an output matching network circuit, which are connected in sequence. An ampl...  
WO/2023/063670A1
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system, such as long term evolution (LTE). According t...  
WO/2023/061309A1
A method, apparatus and system for calibrating an offset voltage of an operational amplifier circuit, and a computer-readable storage medium. A compensation circuit consists of a current calibration circuit and a resistance calibration c...  
WO/2023/063316A1
This Doherty amplification circuit includes: a carrier amplifier for amplifying an inputted high-frequency signal; a peak amplifier for amplifying the inputted high-frequency signal; a first bias circuit for applying a bias to the carrie...  
WO/2023/063074A1
This tracker module (100) comprises a module substrate (90), an integrated circuit (80) disposed on the module substrate (90), and a power inductor (L71) disposed on the module substrate (90). The integrated circuit (80) includes: at lea...  
WO/2023/062291A1
The present invention relates to a neutralised amplifier (50) comprising at least one variable-capacitance neutralising capacitor (76, 78), in which the at least one neutralising capacitor (76, 78) is configured to compensate for the pha...  
WO/2023/060879A1
The present invention relates to the technical field of electronics, and provides a broadband microwave power amplifier. The broadband microwave power amplifier comprises: a differential signal generation network, provided with a signal ...  
WO/2023/059505A1
A generator and a method for controlling the generator are disclosed. The method comprises receiving a power sequence comprising a plurality of power states, creating a dynamic reference-time response within each state, and determining a...  
WO/2023/051840A1
Disclosed in the present application is a radio-frequency push-pull power amplifier chip. A second end of a first capacitor is connected to a first bonding pad of the push-pull power amplifier chip, and a second end of a second capacitor...  

Matches 301 - 350 out of 28,909