| Document |
Document Title |
|
WO/2023/182680A1 |
An electronic device comprises at least one communication processor, an RFIC, at least one power amplifier, and at least one converter, wherein the at least one communication processor may be configured to: identify at least one first dr...
|
|
WO/2023/180636A1 |
According to one aspect, the invention relates to a phased array antenna comprising: - a plurality of elementary antennas, - an amplifier circuit (AMPC) for each elementary antenna (ANTE), the amplifier circuit (AMPC) comprising: a power...
|
|
WO/2023/182510A1 |
This electronic circuit includes: a variable amplitude control circuit that controls the amplitude of a first high-frequency signal, which is a single end signal, on the basis of a control signal that changes continuously, and outputs a ...
|
|
WO/2023/176762A1 |
An output circuit according to the present invention comprises: a control voltage generation unit that generates in a first node a first control voltage based on an input voltage signal and generates in a second node a second control vol...
|
|
WO/2023/178200A1 |
Provided is a dual-drive based Doherty amplifier that includes a first power amplifier and a second power amplifier that is in parallel with the first power amplifier. The first power amplifier is configured to receive a first portion of...
|
|
WO/2023/177937A1 |
Certain aspects of the present disclosure provide techniques for digital pre-distortion (DPD). An apparatus for wireless communication generally includes a power amplifier (PA); a first DPD circuit, a second DPD circuit, and a transmitte...
|
|
WO/2023/176526A1 |
A first voltage divider circuit 252 receives an internal power source voltage VREGD at an input node. An input node of a buffer 254 is connected to an output node FILA of the first voltage divider circuit 252. A second divider circuit 25...
|
|
WO/2023/171364A1 |
A high-frequency module (1) comprises a carrier amplifier (11), peak amplifiers (12 and 20), a transformer (30), a phase-shifting line (40), and bias circuits (51 and 52). The amplifiers are included in a semiconductor IC (80), input ter...
|
|
WO/2023/171910A1 |
An electronic device, according to various embodiments, may comprise: a power amplifier for amplifying an input signal; an antenna module for transmitting an RF signal amplified in a circuit of the power amplifier; and a communication pr...
|
|
WO/2023/171499A1 |
A power amplifying device 10A comprises: a first amplifier 110 that outputs an output sound signal Vout to a speaker 20 for converting the signal into a sound; a voltage feedback circuit 100 that negatively feeds back the voltage of the ...
|
|
WO/2023/168820A1 |
A bias signal generation circuit (100) and a clock input circuit using the bias signal generation circuit (100). The bias signal generation circuit (100) comprises: a first branch (11), wherein a first end thereof is connected to a suppl...
|
|
WO/2023/164795A1 |
Disclosed in embodiments of the present application is an off-chip output stage driver circuit, comprising an amplification module for receiving an input signal, amplifying the input signal and then outputting a primary output signal; a ...
|
|
WO/2023/168290A1 |
Certain aspects of the present disclosure provide techniques for applying digital pre-distortion with frequency selectivity to a transmission signal. An example technique includes determining one or more target parameters of an input sig...
|
|
WO/2023/167864A1 |
Amplification circuitry is disclosed that couples neutralization transistors to amplification transistors to neutralize parasitic capacitance of the amplification transistors. Gates of a first amplification transistor and a first neutral...
|
|
WO/2023/165699A1 |
A driver amplifier for an optical transmitter includes a first and a second amplifier channel, each configured to amplify a respective radio frequency channel signal. The first and the second amplifier channel each include a direct curre...
|
|
WO/2023/167885A1 |
A transimpedance amplifier system (TIA) for stabilizing high gain and high frequency signals while minimizing parasitic capacitance effects on the transimpedance amplifier system. The TIA includes an operational amplifier having a first ...
|
|
WO/2023/166664A1 |
In this distortion compensation device, a duplicated sequence removal unit (12) generates a unique sequence (17), which is a sequence obtained by removing a duplicated sequence from a transmission signal (16). A delay amount estimation u...
|
|
WO/2023/161010A1 |
A multilevel linear amplifier with nonlinear components, MLINC (1), for a radio-frequency transmitter, the MLINC (1) comprising a first outphasing amplifier (2) designed to receive a first set of input signals (S11, S12) and to provide a...
|
|
WO/2023/162173A1 |
An amplifier (1) comprises: a first signal source (2) that outputs a first-frequency signal and a second-frequency signal; a second signal source (3) that outputs a first-frequency signal and a second-frequency signal; a first amplifier ...
|
|
WO/2023/162814A1 |
An amplifier (1) comprises: a first transistor (M1); a second transistor (M2) disposed adjacent to the first transistor in a plan view; first wiring (31) disposed around the first and second transistors in a plan view; and second wiring ...
|
|
WO/2023/164036A1 |
A power amplifier includes an over-current protection loop and/or an over-voltage protection loop to assist in preventing operation outside a safe operating zone. In particular, a trigger threshold for the protection loop may dynamically...
|
|
WO/2023/164369A1 |
A virtual radio frequency (VRF) equalizer for an envelope tracking integrated circuit (ETIC) is disclosed. In one aspect, an ETIC provides envelope tracking (ET) for a barely Doherty (BD) power amplifier stage. The VRF equalizer includes...
|
|
WO/2023/162655A1 |
This Doherty amplification circuit (10) comprises a single-stage or multi-stage carrier amplifier (11) and a multi-stage peak amplifier (12). The peak amplifier (12) has a greater number of stages than that of the carrier amplifier (11).
|
|
WO/2023/160431A1 |
Disclosed in the present application are a low-noise amplification circuit and a radio-frequency front-end module. The low-noise amplification circuit comprises a signal input end, a signal output end, a first amplification circuit, a se...
|
|
WO/2023/163796A1 |
This description relates, generally, to protecting a circuit from an input voltage. Various examples include an apparatus including one or more circuits to draw current from, or provide current to, a pair of connectors for an input circu...
|
|
WO/2023/162736A1 |
An oscillation circuit (100) comprises an oscillator (101) and an amplifier circuit (A1) that amplifies the voltage of the oscillator (101). The amplifier circuit (A1) is provided with a first inverter (INV102) which outputs a first inpu...
|
|
WO/2023/159483A1 |
A computer-implemented method performed by a device (e.g., QQ110, QQ112, QQ200, QQ300, QQ500) configured with a power feature aided machine learning, ML, model is provided that models a behavior of a DPD to reduce non-linear distortion o...
|
|
WO/2023/160432A1 |
The present application discloses a low-noise amplification circuit and a signal transceiving circuit. The low-noise amplification circuit comprises a signal amplification circuit, a first protective circuit, and a second protective circ...
|
|
WO/2023/155600A1 |
The present application relates to a common-mode voltage dynamic modulation circuit and method and a D-class audio power amplifier. The modulation circuit comprises: a signal input end and a common-mode voltage dynamic adjustment module;...
|
|
WO/2023/157702A1 |
This high frequency circuit (1) comprises: an input terminal (110); an antenna connection terminal (100); a carrier amplifier (21); a peak amplifier (22); preamplifiers (11 and 23); a transformer (30) having an input coil (301) and an ou...
|
|
WO/2023/157270A1 |
An amplifier (1) comprises: a signal acquisition unit (21) which acquires an input signal that is a digital signal; a signal generation unit (22) which generates an in-phase signal, an orthogonal signal, and an envelope signal by using t...
|
|
WO/2023/157725A1 |
A high frequency circuit (1) comprises a carrier amplifier (21) capable of amplifying high frequency signals in a band A, a carrier amplifier (22) capable of amplifying high frequency signals in a band B, peak amplifiers (23 and 24) capa...
|
|
WO/2023/154823A1 |
A system and method which includes receiving an input signal and providing, by an amplifier circuit (1308), an output signal in response to the input signal, the output signal having an envelope. An envelope detection signal correspondin...
|
|
WO/2023/153458A1 |
This tracker module (100A) comprises a module board (90), an integrated circuit (80) disposed in the module board (90), and an output terminal (141) and a plurality of output terminals (121-124) that are externally connectable, wherein: ...
|
|
WO/2023/153460A1 |
A power circuit (1) comprises a switched capacitor circuit (20) configured to generate a plurality of discrete voltages on the basis of an input voltage, a power modulator (30A) configured to selectively output, to a power amplifier (2A)...
|
|
WO/2023/153964A1 |
A power amplifier arrangement (100) comprises comprising a first power amplifier (P1) and a second power amplifier (P2) of a Doherty power amplifier (110). The power amplifier arrangement (100) further comprises an input power splitter (...
|
|
WO/2023/153526A1 |
The present invention achieves a limiter circuit and a power amplification circuit with which it is possible for an output power of an amplifying transistor to be effectively limited in accordance with an amplitude of an input signal. A ...
|
|
WO/2023/154611A1 |
An aspect of the disclosure relates to a receiver, including: a low noise amplifier (LNA); and an input stage coupled to the LNA, wherein the input stage is configured to provide a first passband for a first signal across at least a port...
|
|
WO/2023/150434A1 |
A hybrid power amplifier circuit is provided. The hybrid power amplifier circuit includes a carrier amplifier and a peak amplifier configured to collectively amplify a radio frequency (RF) signal from a time-variant input power to a time...
|
|
WO/2023/150432A1 |
A multi-transmission envelope tracking (ET) circuit is provided. The multi-transmission ET circuit includes multiple voltage circuits configured to generate multiple modulated voltages for amplifying multiple radio frequency (RF) signals...
|
|
WO/2023/150587A1 |
A bias circuit (3300) for a power amplifier (3310) is disclosed. The bias circuit (3300) may select between different power sources based on a power need for the power amplifier (3310). As voltage levels between the different power sourc...
|
|
WO/2023/150505A1 |
Fail-safe methods and devices to protect the receiver of a transceiver in the event of an antenna failure are disclosed. The described devices implement inductive and capacitive elements to replace switches and can be used in any communi...
|
|
WO/2023/150539A1 |
A power amplifier with analog predistortion is disclosed. In one aspect, a signal in the transmission chain is sampled to determine if a phase distortion (delay or advancement) is present. Information about the sampled signal is provided...
|
|
WO/2023/150545A1 |
A power amplifier with analog predistortion is disclosed. In one aspect, a signal in the transmission chain is sampled to determine if an amplitude distortion (expansion or compression) is present. Information about the sampled signal is...
|
|
WO/2023/150259A1 |
A power amplification circuit (600) includes an amplifier circuit (100) and a circuit (602) protecting the amplifier circuit (100) from destructive voltage. The amplifier circuit includes a first cascode transistor (104(1)) coupled to an...
|
|
WO/2023/150261A1 |
A power amplification circuit includes an amplifier circuit (800) comprising cascode transistors coupled in series between an output node (816) and a reference voltage node. A bias control circuit includes an on-state bias control circui...
|
|
WO/2023/150422A1 |
A hybrid class-H/predictive class-G switching amplifier architecture and techniques for amplifying a signal (e.g., an audio signal) using such an architecture. One example method of amplification generally includes delaying an input sign...
|
|
WO/2023/146402A1 |
The present invention relates to an amplifier and to a Doherty amplifier comprising the same. According to the present invention, the amplifier comprises one or more amplifier units of which each amplifier unit comprises a FET that is in...
|
|
WO/2023/147211A1 |
Voltage ripple cancellation in a transmission circuit is provided. The transmission circuit includes a power amplifier circuit that amplifies a radio frequency (RF) signal based on a modulated voltage and a modulated current. Specificall...
|
|
WO/2023/143230A1 |
Disclosed in the present application is a signal amplification circuit, comprising an amplification unit and a bias current source having a bias current set at a nano-ampere level; one end of the bias current source is connected to a bia...
|
