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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...
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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...
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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...
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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...
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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: ...
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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)...
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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 (...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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/2023/150545A1 |
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/2023/150259A1 |
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/2023/143230A1 |
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...
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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/2023/146551A1 |
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). The Tx path may be configured to provide a set of ...
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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/2023/147098A1 |
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/2023/137649A1 |
There is provided mechanisms for operating a DPD for a non-linear electronic device. A method is performed by a DPD controller. The method comprises receiving an input signal destined to be input to the non-linear electronic device. The ...
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WO/2023/138602A1 |
Disclosed in the present invention are a high-bandwidth load-modulation power amplifier, comprising a main-path power amplifier, an auxiliary-path power amplifier, a quadrature coupler, a main-path radio frequency signal matching network...
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WO/2023/140751A1 |
The invention relates to electrical engineering and is based on the conversion of energy using a pulse width modulation method. An AC and DC voltage signal repeater comprises a signal source, a polarity generator, operational amplifiers,...
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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/2023/138615A1 |
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/2023/135440A1 |
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/2023/137215A1 |
This disclosure describes systems, methods, and apparatuses for a two-stage solid state match having a load side and a source side; a first coarse stage and a second precision stage, wherein the first coarse stage is coupled between the ...
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WO/2023/137226A1 |
This disclosure describes systems, methods, and apparatuses for a power system comprising a generator connected to a solid-state match network and a synchronization module connected to the generator and the solid-state match network, whe...
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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/2023/130843A1 |
The present invention relates to the technical field of electronics, and provides a novel broadband Doherty radio frequency (RF) power amplifier, comprising: a power divider, an input matching network, a driver amplifier network, a diffe...
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WO/2023/130184A1 |
An electrometer includes an amplifier exhibiting output drift and having a floating input terminal; a current source providing an electrical current to the floating input terminal, and a controller controlling the electrical current to c...
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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/2023/127434A1 |
The present invention comprises: a first splitter that splits an input signal into a first input signal and a second input signal; a Doherty amplifier circuit that includes a carrier amplifier and a peak amplifier, and amplifies the firs...
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WO/2023/126054A1 |
A method and radio interface for digital phase locked loop (PLL) compensation of amplitude-to-phase (AM-PM) variations are disclosed. According to one aspect, a method in a includes generating a local oscillator signal based on a sum of ...
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WO/2023/128311A1 |
The present invention relates to a 6G communication system for achieving high data transmission rates and ultra-low latency beyond 4G and 5G communication systems. According to one embodiment of the present invention, provided are a meth...
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WO/2023/117872A1 |
One or more systems, devices and/or methods of use provided herein relate to a baseband filter that can be used in a current-mode end-to-end signal path. The current-mode end-to-end signal path can include a digital to analog converter (...
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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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