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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...
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WO/2023/030530A1 |
Disclosed are a power amplifier and a circuit board. The power amplifier comprises: a first transmission path, which comprises a control power amplifier and a first power divider, wherein an output end of the control power amplifier is c...
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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)...
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WO/2023/034600A1 |
The present invention includes a radio frequency power amplifier (RF PA) system-in-a-package (SiP) device including a substrate comprising one or more inductors, capacitors, and thin film resistors wherein the one or more are formed in, ...
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WO/2023/024526A1 |
The present invention relates to an amplification apparatus, and in particular to an amplification apparatus capable of overcoming cut-off of fully-controlled devices, comprising a first device and a second device used for amplification,...
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WO/2023/025314A1 |
Embodiments of the present invention disclose a power amplifier and a control method. The power amplifier comprises a current-generating circuit, a first mirror circuit, a power amplifying circuit, and a stacked circuit. The current-gene...
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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...
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WO/2023/026350A1 |
A switched capacitor circuit for a capacitive sensor system includes an amplifier having a first input terminal, a second input terminal, and an output coupled to the second input terminal. The first input terminal is a non-inversion inp...
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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...
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WO/2023/025619A1 |
A method for automatically controlling loudness of an audio signal to be replayed within a vehicle is provided. The method comprises an automatic loudness measurer measuring a loudness of an incoming audio signal that comprises a sequenc...
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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...
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WO/2023/020680A1 |
Circuitry (400) for controlling the amplification of an input signal (408), the circuitry (400) comprising: an amplifier (401) for receiving an input signal (408) and being configured to amplify the input signal (408) to generate an ampl...
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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...
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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...
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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 ...
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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...
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WO/2023/022848A1 |
A class-D amplifier including a pulse width modulator including an input configured to receive a first signal based on an input signal, and an output configured to generate a pulse width modulated (PWM) signal; an H-bridge including an i...
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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...
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WO/2023/020015A1 |
Provided in the present application are an antenna diplexer circuit, a power amplifier transmission module and a mobile communication device. The antenna diplexer circuit comprises: a first port, which is used for being connected to a fi...
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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...
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WO/2023/023450A1 |
Techniques and apparatus for output common-mode control of dynamic amplifiers, as well as analog-to-digital converters (ADCs) and other circuits implemented with such dynamic amplifiers. One example amplifier circuit includes a dynamic a...
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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...
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WO/2023/022110A1 |
An optical receiver comprising: a light receiving element; a carrier substrate; a dielectric layer; a base; a first electrically conductive film; a second electrically conductive film; an electrical conductor; and a transimpedance. The f...
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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...
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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...
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WO/2023/022241A1 |
The present invention relates to a sound source processing apparatus using a magnetic drum, the apparatus using the magnetic drum to prevent sound quality deterioration and amplify the volume of sound when a sound source transmitted from...
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WO/2023/020095A1 |
The present application relates to a radio frequency power amplifier circuit, a transmission module, a communication device, and a communication system. The radio frequency power amplifier circuit comprises: a transformer, wherein a prim...
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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...
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WO/2023/022108A1 |
An optical receiver comprising a light-receiving element, a capacitor, a transimpedance, and a base. The light-receiving element comprises: a semiconductor layer; a first electrically conductive film electrically connected to a cathode e...
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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...
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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 ...
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WO/2023/019015A1 |
An amplifier (300) includes a first stage (302) and a second stage (304). The first stage (302) includes a first output, and a second output. The second stage (304) includes a first transistor (310), a second transistor (312), and a comm...
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WO/2023/018882A1 |
A dual-band MMIC power amplifier and method of operation to amplify frequencies in different RF bands while only requiring input drive signals at frequencies f1 and f2 in a narrow RF input band. This allows for the use of a conventional ...
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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...
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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...
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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...
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WO/2023/017754A1 |
This high frequency amplifier includes: an amplifier that amplifies a high frequency signal; and an impedance adjustment unit that adjusts, in consideration of a load side, impedance relative to a high frequency wave from the amplifier s...
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WO/2023/018563A1 |
Methods and devices for speeding up the onset of a target current through an output leg of a current mirror are presented. Upon activation of the current mirror, a pre-charge current is sourced to a node of the current mirror that is com...
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WO/2023/017761A1 |
This power amplifying circuit (100) comprises an amplifying element (120), a TLT circuit (130) including lines (131, 132 and 133), and a switch circuit (14) including terminals (151, 152 and 153). One end (131a) of the line (131) is conn...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2023/007556A1 |
This differential amplification circuit (1) includes a differential input circuit (DI) including first and second transistors (Q4, Q5), and amplifies and outputs the differential voltage between a first input voltage (VINP) that is appli...
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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...
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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...
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WO/2023/009933A1 |
Methods and apparatus for limiting the input voltage swing of a power amplifier, such as a power amplifier (316) in a radio frequency front-end (400) of a wireless device. One example radio frequency front-end circuit (400) generally inc...
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WO/2023/009387A1 |
An operational amplifier includes a pre-amplifier circuit, a first trim circuit, and a second trim circuit. The pre-amplifier circuit is to include a differential pair and receive an input voltage. The first trim circuit is to produce an...
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