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Matches 351 - 400 out of 28,868

Document Document Title
WO/2023/043587A1
An apparatus (105) includes a transformer (240) including a first inductor (245), a second inductor (250), and a third inductor (255). The apparatus (105) also includes a power amplifier (110) having an output coupled to the first induct...  
WO/2023/040201A1
Disclosed in the embodiments of the present invention is a radio-frequency power amplifier based on a transformer matching network. The radio-frequency power amplifier comprises an input matching network, a first-stage one-way amplificat...  
WO/2023/043686A1
A full-bridge class-D amplifier circuit comprises first through fourth power devices. First conduction terminals of the first and third power devices are coupled to a first power supply voltage, and second conduction terminals of the sec...  
WO/2023/041032A1
The present application provides an output matching module, and a Doherty power amplifier. The output matching module comprises a first inductor, a second inductor, a first passive electronic component, a second passive electronic compon...  
WO/2023/040472A1
Embodiments of the present invention disclose a coupling circuit for 4G full-band power amplifier, comprising a directional coupler, a coupling signal output port, a low-frequency coupling path network, a medium-high-frequency coupling p...  
WO/2023/043882A1
A transceiver circuit (68) generates a radio frequency (RF) signal from a time-variant modulation vector and a power amplifier circuit (36) amplifies the RF signal based on a modulated voltage. The transceiver circuit (68) is configured ...  
WO/2023/044245A1
The present disclosure generally relates to techniques and apparatus for implementing an envelope-tracking power supply for a radio frequency (RF) power amplifier. One aspect includes an amplification system. The amplification system may...  
WO/2023/041673A1
The invention relates to an amplification device (20) configured to amplify an input signal (SE2), the device comprising: - a wavelength or frequency demultiplexer (22) configured to demultiplex the input signal (SE2) into N intermediate...  
WO/2023/040238A1
A differential power amplifier, comprising an input matching network (11), a first-stage amplification circuit (12), a first inter-stage matching network (13), a second-stage amplification circuit (14), a second inter-stage matching netw...  
WO/2023/037850A1
A high-frequency circuit (1) comprises: a first circuit including a high-frequency input terminal (11), a high-frequency output terminal (12), and a control terminal (14); a power detector (30) connected to the high-frequency output term...  
WO/2023/038721A1
An RF amplifier (100) utilizes first and second main amplifiers (105, 110) in a balanced amplifier configuration with first and second auxiliary amplifiers (115, 120) connected in parallel across the first and second main amplifiers (105...  
WO/2023/035922A1
Embodiments of the present application relate to the technical field of amplifiers, and in particular, to a power amplifier architecture, a control method, a circuit board, and a controller. The power amplifier architecture comprises a p...  
WO/2023/036626A1
A digital pre-distortion method pre-distorts an input signal for amplification by a power amplifier before transmission through at least one antenna. For a first stage of predistortion, the method processes a discrete amplitude of the in...  
WO/2023/030420A1
Embodiments of the present disclosure relate to a phase compensation circuit module, a power amplification assembly, and a compensation method and device. The phase compensation circuit module at least comprises a variable resistor, a de...  
WO/2023/033827A1
According to one aspect of the present disclosure, a radio frequency (RF) chip is provided. The RF chip may include a waveform generator. The RF chip may generate a calibration waveform and a constant waveform of a same length. The RF ch...  
WO/2023/032679A1
A high-frequency circuit (1) equipped with a power amplification circuit (10) which corresponds to a first power class which allows a first maximum output power that is equal to or greater than the maximum output power allowed by a power...  
WO/2023/034191A1
A compensation circuit includes a tail current source (118), an error amplifier (102); a compensation resistor (114), and a voltage-to-current converter circuit (106). The tail current source (118) is configured to generate a tail curren...  
WO/2023/031774A1
The invention relates to an RF power amplifier integrated circuit (1) comprising a semiconductor chip (2) encapsulated in a package (3), the chip (2) comprising at least one RF power transistor (4) and an input pre-adaptation circuit (5)...  
WO/2023/034078A1
A number of different types of semiconductor material structures and wafers, including epiwafers, are described herein. The semiconductor material wafers are optimized in certain aspects to form transistor amplifiers for use with new mod...  
WO/2023/024785A1
A power amplification circuit and a power amplifier. The circuit comprises a power distribution device, a carrier amplification device, and a plurality of peak amplification devices; the plurality of peak amplification devices comprise a...  
WO/2023/027146A1
This power amplification circuit comprises: a first amplifier that is operable by power supplied through a first supply line, and that amplifies a first transmission signal in a first frequency band; a second amplifier that is operable b...  
WO/2023/023870A1
A signal generator is configured to generate a signal to be converted into a biocompatible electromagnetic signal. A coil assembly is configured to receive the signal, and to produce a biocompatible electromagnetic fieldequency. A magnet...  
WO/2023/024090A1
The present application belongs to the technical field of electronics. Disclosed are a signal amplification circuit and method, and a signal transmitter. The method comprises: performing digital-to-analog conversion and power amplificati...  
WO/2023/019909A1
The present application provides a harmonic suppression circuit, a power amplifier module, a communication device, and a communication system. The harmonic suppression circuit suitable for a 5G-NR radio frequency power amplifier comprise...  
WO/2023/020098A1
A harmonic suppression matching circuit structure suitable for a balun, and a power amplifier. The circuit structure comprises a balun (1), a first tuning unit (2), a second tuning unit (3), and a third tuning unit (4); the balun (1) com...  
WO/2023/020097A1
A harmonic suppression matching circuit structure suitable for a balun, and a power amplifier. The circuit structure comprises a balun (1), a first tuning unit (2) and a second tuning unit (3). The balun (1) comprises a primary coupling ...  
WO/2023/022850A1
A reconfigurable amplifier includes a first transistor having a gate coupled to an input of the reconfigurable amplifier, and a source coupled to a ground. The reconfigurable amplifier also includes a gate control circuit, and a second t...  
WO/2023/020094A1
The present application provides a power amplifier circuit and a bias circuit thereof. The bias circuit of the power amplifier circuit is applied to a wireless network WiFi circuit, and comprises a switch, a level conversion circuit, and...  
WO/2023/019911A1
The present application provides a radio frequency amplifier and a 1dB compression point dynamic adjustment circuit thereof. The 1dB compression point dynamic adjustment circuit of the radio frequency amplifier is connected to an output ...  
WO/2023/019905A1
The present application relates to a bias current control device, a radio frequency amplifier, an electronic device, and a chip. The bias current control device comprises: a current detector, which is connected to a preset radio frequenc...  
WO/2023/022862A1
Aspects of the disclosure relate to a radio frequency phase shifter. An example includes an amplification stage to produce an amplified voltage, the amplification stage having a first amplifier with a first input coupled to a first outpu...  
WO/2023/019582A1
The present application relates to the technical field of electronics. Provided are a power amplifier (PA) circuit, a radio frequency circuit and a communication device, which are used for reducing the temperature difference between diff...  
WO/2023/019812A1
Embodiments of the present disclosure relate to a compensation circuit module, a power amplification assembly, a compensation method, and a device. The compensation circuit module at least comprises a variable resistor, a detection assem...  
WO/2023/019557A1
The present application relates to the field of communications, and discloses an amplification circuit, a radio-frequency receiver, a communication module, and an electronic device, for use in improving the linearity of the amplification...  
WO/2023/020096A1
Provided in the present application are a harmonic suppression matching circuit structure suitable for a balun, and a power amplifier. The circuit structure comprises a balun, a tuning unit and a matching unit. The balun comprises a prim...  
WO/2023/020697A1
A voltage buffer comprising one circuit branch or two circuit branches. Each circuit branch comprises a transistor (T1), a resistor (R1) and a current source (CS1) electrically connected in series, and a DC level shifter (3) electrically...  
WO/2023/022075A1
This high-frequency module (1A) comprises a module board (91) having principal surfaces (91a and 91b) that are reverse to each other and a power amplifier (11), the power amplifier (11) including amplification elements (11A and 11B), an ...  
WO/2023/019008A1
An amplifier (400) includes a first stage (302) and a second stage (404). The first stage (302) includes a first output and a second output. The second stage (404) includes an output (356), a first transistor (310), and a second transist...  
WO/2023/018667A1
An amplifier with temperature compensation where the amplifier has transistors (Q1, Q2) configured to amplify a received signal to create an amplified signal. The amplifier gain changes over temperature. A gain control circuit adjusts th...  
WO/2023/017760A1
A high-frequency circuit (1) comprises: power amplifiers (10 and 20); a transformer (32) having an input-side coil (321) and an output-side coil (322); a bias circuit (50) connected to the power amplifiers (10 and 20); an output terminal...  
WO/2023/016261A1
The present application belongs to the technical field of communications. Provided are a signal processing apparatus and a tunable impedance matching module. The signal processing apparatus comprises a configuration screening module, a t...  
WO/2023/014766A1
A circuit includes a field effect transistor (FET), a reference transistor having an output coupled to an output of the FET, an active bias circuit coupled to the reference transistor and configured to generate an input signal for the re...  
WO/2023/011136A1
A power amplifier circuit, a base station, a signal transceiver device, and a power amplifier apparatus. The power amplifier circuit comprises a main amplifier circuit and an auxiliary amplifier circuit connected in parallel between a si...  
WO/2023/013939A1
An electronic device comprises at least one communication processor, an RFIC, at least one power amplifier, and at least one converter. The at least one communication processor may be set to: on the basis of an APT mode, set a first volt...  
WO/2023/014021A1
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as long term evolution (LTE). According to various...  
WO/2023/012149A1
The invention relates to a circuit (1) for transmitting and amplifying an analogue useful signal (2) in a communication device, comprising: a signal transmission path (25) which is used to transmit the useful signal (2) in modulated form...  
WO/2023/014355A1
A power management circuit supporting fast voltage switching with reduced rush current is provided. The power management circuit is configured to provide an average power tracking (APT) voltage to a power amplifier circuit for amplifying...  
WO/2023/007961A1
In the present invention, a first switch electrically connects a first path and an antenna connection unit when a first transmission signal is propagated, and electrically connects a second path and the antenna connection unit when a rec...  
WO/2023/008255A1
A high frequency circuit (1) comprises: power amplifiers (11 and 12); a transformer (14); a filter (62) having band A as a pass-band; a filter (63) having band B as a pass-band; a filter (64) having band C as a pass-band; matching circui...  
WO/2023/006259A1
The invention relates to a circuit (100) for compensating for nonlinearities substantially without changing a characteristic working point and/or characteristic working range, said circuit (100) comprising: an AC voltage signal source (1...  

Matches 351 - 400 out of 28,868