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Matches 201 - 250 out of 40,124

Document Document Title
WO/2023/168149A1
Methods and apparatus for a signal isolator that mitigates the effects of CMTI strikes. In embodiments, a first die comprises a transmit module and the first die has a first voltage domain; and a second die comprises a receive module inc...  
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/2023/160391A1
Provided are a fingerprint detection amplification circuit (20a) and a fingerprint identification device. The fingerprint detection amplification circuit (20a) comprises a fully differential amplifier (21), a switch group (23), a first f...  
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/2023/159651A1
Provided in the embodiment of the present application are a conversion circuit and a conversion method, a radio frequency chip, a radio frequency transceiver and an electronic device. The present application relates to the technical fiel...  
WO/2023/162826A1
A constant voltage circuit 500 stabilizes a voltage VFILA generated at a capacitor connection terminal FILA. An internal circuit 410 operates on the basis of the voltage VFILA generated at the capacitor connection terminal FILA. A first ...  
WO/2023/155064A1
The present disclosure relates to the technical field of integrated circuits. Specifically disclosed is an operational amplifier, which is used for solving the problem of mismatch. The specific implementation solution involves: the opera...  
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/2023/158842A1
An exemplary complementary bi-directional amplifier (e.g., for 5G wireless systems in RF and mm-Wave frequencies, RADAR, etc.) and methods are disclosed that employ an integrated front-end transmitter (TX) and receiver (RX) chains in eac...  
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/2023/154281A1
Disclosed herein are related to systems and methods for adaptively configuring various components of a wireless device. In one aspect, the wireless device includes a first low noise amplifier, a second low noise amplifier, and an attenua...  
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/2023/152101A1
The invention relates to a station (1) for charging a hybrid or electric vehicle via a power grid, the station being capable of receiving an electrical signal from the grid, which electrical signal comprises: - a sinusoidal power signal ...  
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/2023/154795A2
The present disclosure provides a system for a wideband coupler balun with a load modulated power amplifier wherein the system can comprise a first port, a second port, a differential port, a differential main power amplifier, and an aux...  
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/2023/150930A1
Disclosed in the present application are a transmitter and a signal processing method, which have relatively low power source loss and relatively high safety. The transmitter comprises at least one power amplification circuit and a match...  
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/2023/150714A2
Various voltage multipliers are disclosed for charging high voltage batteries and/or devices. The voltage multiplier includes an input node configured to receive an input voltage; an output node configured to output an output voltage, wh...  
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/2023/148207A1
The invention relates to an electro-optical mixer (1) having an electrical output, the electro-optical mixer comprising: - a photodiode (PD) for converting an incident optical signal, - a first and a second terminal, to which first termi...  
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/2023/149039A1
This balance-unbalance conversion circuit is composed of a transmission line consisting of a main line and an auxiliary line that are coupled to each other. The main line includes at least one wire. The auxiliary line includes a pluralit...  
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/2023/149040A1
In the present invention, a class E amplifier amplifies a differential signal. A power supply voltage is supplied from a power supply terminal. Two output nodes of the class E amplifier are connected to the power supply terminal via at l...  
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/2023/146732A1
A receiver has a first equalizer circuit (700) including a first stage having a source degeneration circuit and a trans-impedance amplifier (TIA). The source degeneration circuit includes a resistor coupled in parallel with a capacitor. ...  
WO/2023/147217A1
Aspects of the present disclosure relate to apparatus and methods for dynamically adjusting the common-mode input signal of a power amplifier, such as a class-D power amplifier. One example power amplifier circuit generally includes a fi...  
WO/2023/144200A1
The invention relates to a high-performance audio amplifier (102) intended to control at least one loudspeaker (R44), the amplifier comprising a pre-amplification stage (301) that receives an input signal (S1), a power amplification stag...  
WO/2023/142574A1
Disclosed in the present application are an adjustment circuit and an electronic device. The adjustment circuit comprises: a current limiting circuit, which is used for receiving a power source provided by an external power source circui...  
WO/2023/144891A1
A power amplifier according to the present disclosure includes a transistor, a main line connected to a drain of the transistor, a branch line that branches from the main line and is connected to a drain pad, and a drain bias circuit pro...  
WO/2023/147098A1
In an example, a system (100) includes an amplifier having an output stage configured to provide an output voltage (108), where the output stage includes a p-channel transistor (102) and an n-channel transistor (110). The system (100) in...  
WO/2023/145093A1
The present invention discloses a current-to-voltage conversion device that runs with low noise and a wide band. In addition to a power source terminal for supplying a common power source voltage to five HEMTs (H1 to H5), the invention i...  
WO/2023/142407A1
Disclosed in the present invention is a radio frequency front-end module, comprising at least one driving amplifier and at least one power amplifier. The output end of the driving amplifier is connected to the input end of the power ampl...  
WO/2023/144617A1
An amplifier includes a first and a second differential input ports, and a single-ended output port. The amplifier includes a first and a second transistors, each having a gate, source, and drain terminals. The source terminals are coupl...  
WO/2023/140999A1
Aspects of the disclosure relate to devices, wireless communication apparatuses, methods, and circuitry implementing a low noise amplifier (LNA) with phase-shifting circuitry to achieve a continuous phase at the output of the LNA. One as...  

Matches 201 - 250 out of 40,124