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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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. ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2023/139678A1 |
This reference voltage generation circuit comprises: a resistor circuit (117) that is electrically connected between a first node and a second node and between the first node and a third node, and has variable resistors, the resistance v...
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WO/2023/138615A1 |
Disclosed are a radio frequency front-end module having a current protection function, and an electronic device. The radio frequency front-end module comprises an input matching module, a power amplifier, an output matching module, a pow...
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WO/2023/141444A1 |
Hybrid predistortion in a wireless transmission circuit is provided. The wireless transmission circuit includes a transceiver circuit that generates a radio frequency (RF) signal and a power amplifier circuit than amplifies the RF signal...
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WO/2023/140827A1 |
According to one aspect of the present disclosure, a radio frequency (RF) chip is provided. The RF chip may include a transmitter (Tx) path coupled to an input of a power amplifier (PA) and configured to provide a set of Tx path samples....
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WO/2023/135440A1 |
A phono-preamplifier for processing audio output signals from a turntable is powered by a variable voltage adapter such as a USB-C PD power supply adapter.
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WO/2023/136165A1 |
This tracker module (100) comprises a module substrate (90) and an integrated circuit (80) positioned on the module substrate (90). The integrated circuit (80) includes: at least one switch included in a pre-regulator circuit (10); at le...
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WO/2023/137097A1 |
A system for filter enhancement, preferably including one or more analog taps and a controller, and optionally including one or more couplers. The system is preferably configured to integrate with a filter, such as a passband filter or o...
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WO/2023/135036A1 |
The present disclosure relates to an amplifier circuit comprising a main amplifier circuit comprising a plurality of first switched-capacitor, SC, house-of-cards, HoC, amplifier cells coupled in parallel between an input and an output of...
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WO/2023/124636A1 |
The embodiments of the present invention provide a low-mismatch operational amplifier, comprising a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transis...
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WO/2023/127397A1 |
A power amplification circuit (10) is equipped with a power amplification instrument (11) that, if a first signal (S1) of a first channel and a second signal (S2) of a second channel are simultaneously transmitted, amplifies the first si...
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WO/2023/127435A1 |
The present invention comprises: a first distributor that distributes input signals into first input signals and second input signals; an amplification circuit that includes a pair of amplifiers electrically connected in parallel, amplif...
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WO/2023/129314A1 |
Methods and apparatus for an amplifier (400) including first (406) and second (408) transistors coupled in a stacked configuration with first and second current mirrors to provide respective bias signals to the amplifier transistors (406...
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WO/2023/123448A1 |
The present application discloses a power-amplifier power supply circuit and a communication device, and relates to the field of communication. The power-amplifier power supply circuit and the communication device are used for improving ...
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WO/2023/126994A1 |
This high-frequency circuit is provided with a substrate, a first amplifier, a post wall waveguide, and a cover member. The first amplifier is mounted on the substrate and amplifies a high-frequency signal. The post wall waveguide is for...
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WO/2023/127386A1 |
Provided is a high frequency module wherein the electromagnetic interference of a power supply wiring part with amplifiers can be suppressed inside a semiconductor integrated circuit. This high frequency module (100) comprises a mounting...
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WO/2023/126777A1 |
One or more systems, devices and/or methods of use provided herein relate to a device that can facilitate a signal generation. A current-mode end-to-end signal path can include a digital to analog converter (DAC) operating in current-mod...
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WO/2023/126780A1 |
One or more systems, devices and/or methods of use provided herein relate to a device that can support a signal generation. A current-mode end-to-end signal path can include a digital to analog converter (DAC) operating in current-mode a...
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WO/2023/120086A1 |
This high-frequency circuit (1) comprises an electric power amplification circuit (10), and a tracking circuit (50) connected to the electric power amplification circuit (10). Upon receipt of a control signal (CTL1) indicating a first po...
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WO/2023/121742A1 |
An amplifier, communication device and method of amplification are disclosed. An RF signal is amplified by a Doherty power amplifier (DPA). The DPA has a main amplifier with a Class- AB amplifier in parallel with a Class-C amplifier. Whe...
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WO/2023/117083A1 |
A method, system and apparatus for mitigating memory effects in a power amplifier of a radio transmitter are disclosed. According to one aspect, a method in a transmitter includes sensing memory states of the power amplifier, a memory st...
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WO/2023/122265A1 |
A bidirectional RF circuit, preferably including a plurality of terminals, a switch, a transistor, a coupler, and a feedback network. The circuit can optionally include a drain matching network, an input matching network, and/or one or m...
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WO/2023/120071A1 |
The present invention mitigates characteristics degradation during simultaneous communication. A plurality of communication bands include two or more communication bands that are included in a first combination of communication bands cap...
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WO/2023/108793A1 |
A high-speed trans-impedance amplifier having a bandwidth expansion characteristic within a full-temperature range, and a bandwidth extension method, which belong to the field of integrated circuits. The present invention aims to solve t...
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WO/2023/114304A1 |
Wake-up receivers (WuRx) are provided including an antenna having a real input impedance different than 50 Ω configured for receiving a radiofrequency (RF) signal, resonant circuitry configured to provide voltage gain to the received RF...
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WO/2023/110906A1 |
A transceiver circuit for transmitting and receiving via a single antenna interface, the transceiver circuit comprising: a transmitter arranged to send a transmit signal to the antenna interface; an amplifier arranged to receive a receiv...
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WO/2023/109426A1 |
The present invention provides a power regulation circuit for a power amplifier, and a power amplifier. The power regulation circuit for a power amplifier comprises a bias current generation circuit, a current magnitude control circuit, ...
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WO/2023/114629A1 |
Methods and devices to improve nonlinearity performance of low noise amplifiers (LNAs) are disclosed. The described methods and devices reduce the capacitive loading of the LNA amplifying devices on the bypass path of the LNAs when opera...
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WO/2023/109760A1 |
Voltage sense circuit for measuring a load connected to a power amplifier, the load configured to receive a first and second voltage in opposite phase, the voltage sense circuit comprises a first input terminal coupled to the first volta...
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WO/2023/110048A1 |
The present disclosure relates to a load circuit (3) for use in an amplifier circuit (1). The amplifier circuit (1) comprising a transconductance circuit (2). The load circuit (3) comprises one circuit branch (3a) or two circuit branches...
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WO/2023/110924A2 |
A differential transceiver circuit for transmitting and receiving via a single antenna interface, the transceiver circuit comprising: a differential pair of signal paths, comprising a first signal path and a second signal path; different...
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WO/2023/113154A1 |
The present invention relates to an analog output circuit and an inverter including same. An analog output circuit according to an embodiment of the present invention is an analog output circuit of an electronic device, comprising an ope...
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