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WO/2024/078155A1 |
A radio frequency low noise amplifier circuit (100) and a radio frequency chip. The circuit comprises: successively connected, a signal input end (1), an input matching circuit (2), an amplification circuit (3), an output matching circui...
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WO/2024/080724A1 |
An electronic device according to one embodiment may comprise: an amplifier circuit for amplifying a signal of a specific frequency band; an over voltage protection (OVP) circuit for reducing voltage applied to the amplifier, if the volt...
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WO/2024/080490A1 |
A Doherty power amplifier of a wireless communication system is provided. The Doherty power amplifier may comprise: a first stage including a first power amplifier and a second power amplifier; a second stage including a third power ampl...
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WO/2024/070736A1 |
An amplification circuit (1), which receives a plurality of discrete power supply voltages, comprises: a carrier amplifier (12); a peak amplifier (22); a synthesizing circuit (40) that synthesizes a high frequency signal output from the ...
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WO/2024/070030A1 |
A voltage generation circuit comprising: a voltage input terminal; a voltage output terminal; a first resistive element connected by a first terminal to the voltage input terminal; a second resistive element connected by a third terminal...
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WO/2024/067147A1 |
Provided in the embodiments of the present disclosure is a power amplifier, comprising: a coupler and a harmonic generation network, the coupler being connected to the harmonic generation network, wherein the coupler is configured to cou...
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WO/2024/067226A1 |
A balanced radio frequency power amplifier, a front-end module, and a corresponding electronic device. The balanced radio frequency power amplifier comprises a driving-stage power unit (101, 201), an inter-stage power divider (102, 202),...
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WO/2024/065725A1 |
Embodiments described herein relate to methods and apparatuses for performing digital predistortion, DPD, to provide a transmit signal, x(n) wherein the transmit signal, x(n), is for deriving one or more amplifier signals, xm(n), for dri...
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WO/2024/070748A1 |
This tracker circuit (1A) comprises: a switched capacitor circuit (20) that is configured to generate a plurality of discrete voltages on the basis of a first input voltage; an output switch circuit (31) that is configured to selectively...
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WO/2024/069368A1 |
A system includes an inverter including: a first galvanic isolator separating a low voltage area from a high voltage area, the first galvanic isolator having a first galvanic isolator output path; a second galvanic isolator having a seco...
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WO/2024/068001A1 |
Embodiment of the invention relate to power splitter (100) comprising a first separation block (110) comprising an input (102) and a first output (104), the first separation block (110) being configured to receive an input signal (V in )...
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WO/2024/066098A1 |
Embodiments described herein relate to methods and apparatuses for performing digital predistortion, DPD, to provide a transmit signal, z(n) wherein the transmit signal, z(n), is for deriving one or more amplifier signals, zm(n), for dri...
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WO/2024/071797A1 |
Provided are: an electronic device having an operation for enabling efficiency of current consumption by a power amplifier (PA); and a control method therefor. The electronic device, according to one embodiment, may comprise a first PA m...
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WO/2024/070747A1 |
This tracker module (7) comprises: a substrate (390) on which a switch included in a pre-regulator circuit (310) configured to convert input voltage to regulated voltage is disposed and a separate module substrate (90); a switched capaci...
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WO/2024/066713A1 |
Disclosed in embodiments of the present invention is a multi-band gain-adjustable low noise amplifier, comprising a signal input end, an input matching network, a plurality of common-source amplification units, a negative gain attenuatio...
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WO/2024/070746A1 |
A tracker circuit (1A), which is connected to a pre-regulator circuit (11) configured to convert an input voltage to an adjusted voltage, comprises: a switched capacitor circuit (20) configured to generate a plurality of discrete voltage...
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WO/2024/062775A1 |
An amplification circuit (40) comprises: power amplifiers (21 and 22); trackers (11 and 12) that can output variable power supply voltages; a switch (31) that is connected between the output terminal of the tracker (11) and the output te...
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WO/2024/064551A1 |
A near-field communication (NFC) antenna system comprising an antenna, a plurality of chips, and an antenna matching network connected on one side to the plurality of chips and on another side to the antenna. Wherein only one of the plur...
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WO/2024/064604A1 |
Examples include audio playback devices having power supply circuitry that is configured to condition power received over, for example, an Ethernet or USB connection, to provide steady power to an output device such as a speaker, and met...
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WO/2024/063006A1 |
A tracker circuit (1A) comprises: an output switch circuit (30) that is configured to selectively output at least one of a plurality of discrete voltages to a power amplifier (2A); a voltage supply path (P41) that connects the output swi...
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WO/2024/063509A1 |
According to one embodiment, provided is an RF circuit comprising: a power amplifier; a switching circuit for electrically connecting the power amplifier to a first switch if the output voltage of the power amplifier does not exceed the ...
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WO/2024/063948A1 |
Current-accelerated voltage transition in a wireless communication circuit is disclosed. The wireless communication circuit includes a power management integrated circuit (PMIC) configured to generate a voltage, such as an average power ...
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WO/2024/064593A1 |
Aspects described herein include devices and methods for an envelope tracking power supply. In some aspects, the envelope tracking power supply includes an envelope signal input port, an output power port, an input interface circuit coup...
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WO/2024/064592A1 |
Aspects described herein include devices and methods for generating a supply voltage for a power amplifier. One aspect is an apparatus including a first amplifier and a second amplifier having a control input, where the control input of ...
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WO/2024/064512A1 |
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless communication device (WCD) may receive an indication of an error parameter associated with communications that use di...
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WO/2024/060832A1 |
A radio frequency power amplifier (100), a radio frequency chip, and a wireless communication apparatus. The radio frequency power amplifier (100) comprises a first power amplifier (1), a second power amplifier (2), a third power amplifi...
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WO/2024/063007A1 |
A tracker circuit (1A) comprises an output switch circuit (30) that is configured to selectively output at least one of a plurality of discrete voltages to power amplifiers (2A and 2B). The power amplifier (2A) is configured to amplify a...
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WO/2024/055632A1 |
Disclosed in the present invention is a load-modulated balanced amplifier based on a variable cross-coupled pair, comprising an adaptive bias circuit, a first balanced end amplifier module, a second balanced end amplifier module, a contr...
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WO/2024/055759A1 |
A low-noise amplifier (100) and a radio frequency chip. The low-noise amplifier (100) has an adjustable circuit gain and a wide dynamic input range. The low-noise amplifier (100) comprises a radio frequency input end (RFIN), a first indu...
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WO/2024/058929A1 |
Intra-symbol voltage change acceleration in a wireless transmission circuit is disclosed. The wireless transmission circuit includes a power amplifier circuit that amplifies a radio frequency (RF) signal based on an average power trackin...
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WO/2024/058900A1 |
A high voltage driver is provided that includes a PMOS stack of transistors arranged in series between a power supply node and an output node. The high voltage driver also includes an NMOS stack of transistors arranged between the output...
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WO/2024/055760A1 |
A multi-band low-noise amplifier (100), an integrated circuit chip and an electronic device. In the multi-band low-noise amplifier (100), a plurality of switch changeover units (S1-Sn) are provided, and are respectively correspondingly c...
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WO/2024/059399A1 |
An apparatus is disclosed for reducing parasitic capacitance. In an example aspect, an apparatus includes an amplifier having a differential cascode configuration. Each stack of the amplifier includes a first transistor configured to ope...
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WO/2024/055761A1 |
A multi-band low-noise amplifier (100), which is provided with a plurality of switch handover units (S1-Sn), which are respectively connected to a plurality of signal input ends (RFin1-RFinn) in a manner of corresponding to each other on...
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WO/2024/051520A1 |
A digital predistortion circuit and method, and a radio frequency chip and an electronic device. The digital predistortion circuit comprises a first spectrum splicing circuit and a digital predistorter, wherein the first spectrum splicin...
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WO/2024/051381A1 |
A power amplifier with a reconfigurable matching network, and a communication device, the power amplifier comprising: an input matching network, a first transformer (T1), a first-stage amplification circuit, a second transformer (T2), a ...
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WO/2024/051919A1 |
Embodiments according to the invention comprise an amplifier arrangement the amplifier arrangement comprising an amplifier, wherein the amplifier is configured to be controlled by a voltage at a control input of the amplifier arrangement...
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WO/2024/054801A1 |
Doherty power amplifier systems are provided herein. In certain embodiments, a Doherty power amplifier system includes a main amplifier, a first auxiliary amplifier, and a second auxiliary amplifier that operate in combination with one a...
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WO/2024/054748A1 |
An apparatus (305) includes a low-noise amplifier (320) having an input and an output, a first switch (330) coupled between the input of the low-noise amplifier (320) and the output of the low-noise amplifier (320), and a transformer (34...
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WO/2024/050444A1 |
An integrated circuit coupled resonator filter including a low-noise amplifier (2208), first parallel resonator including a first capacitance (C1) connected in parallel with a first inductance (L1), a second parallel resonator including ...
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WO/2024/050442A1 |
A coupled resonator filter (2604) includes a first parallel resonator including a first capacitance (Cl) connected in parallel with a first inductance (LI), a second parallel resonator including a second capacitance (C2) connected in par...
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WO/2024/049559A1 |
Voltage switching in a power management integrated circuit (PMIC) is provided. The PMIC is required to increase or decrease a modulated voltage from a present voltage level in a present one of multiple time intervals to a future voltage ...
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WO/2024/050443A1 |
A coupled resonator filter including a first parallel resonator (620) including a first capacitance (C1) connected in parallel with a first inductance (L1). The filter includes a second parallel resonator (622) including a second capacit...
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WO/2024/049663A1 |
Memory distortion neutralization in a power amplifier circuit (58) is provided. The power amplifier circuit (58) includes one or more amplifier stages (40, 42) each configured to amplify a radio frequency (RF) signal based on a time-vari...
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WO/2024/045820A1 |
Provided in the present disclosure is a power amplifier, comprising: a first transistor (M1) and a second transistor (M2), wherein a gate electrode of the first transistor (M1) is electrically connected to a gate electrode of the second ...
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WO/2024/045144A1 |
The present application relates to the technical field of radio frequency communications. Provided are a power amplification circuit and a radio-frequency transceiving apparatus, which are used for further improving the rollback efficien...
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WO/2024/047244A2 |
The invention relates to an amplifier circuit (1) for broadband and low-noise amplification of a capacitive current source, preferably a pyroelectric sensor, comprising a signal input (3) that can be connected to the capacitive current s...
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WO/2024/046581A1 |
In various embodiments of the present disclosure, provided is a system to perform reduced complexity frequency selective linearization. In an embodiment, multistage digital predistortion (DPD) can linearize different parts of the spectru...
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WO/2024/044049A1 |
Various methods and circuital arrangements for protection of a power amplifier (110) from over temperature are presented. According to one aspect, a protection circuit coupled to a temperature sensor (338) controls a biasing current or v...
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WO/2024/041267A1 |
The present invention discloses an audio power amplifier circuit, and a duty ratio modulation circuit and a noise suppression circuit thereof. The audio power amplifier circuit comprises an integral amplification module and a high-freque...
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