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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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WO/2023/115382A1 |
Embodiments of the present application provide an output network for a Doherty amplifier, the Doherty amplifier, and a method for designing the Doherty amplifier. The output network comprises: a first sub-output network, a second sub-out...
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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/2023/121138A1 |
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long-term evolution (LTE). According to...
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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/2023/110906A1 |
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/2023/114629A1 |
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/2023/108957A1 |
A power amplification circuit based on an envelope tracking (ET) technology and a design method, for use in solving the problems that the efficiency of a power amplification circuit of a traditional Doherty architecture is difficult to g...
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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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WO/2023/110868A1 |
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; and a receiver, having an input and an ou...
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WO/2023/108958A1 |
Disclosed in the present invention are a power amplification circuit based on envelope tracking technology and a Doherty architecture, and a design method therefor. The circuit comprises a Doherty architecture and an external power sourc...
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WO/2023/106183A1 |
A power amplification circuit (1) comprises: a power source terminal (140); and an amplifying transistor (11) that includes a base terminal (11B), a collector terminal (11C) connected to the power source terminal (140), and an emitter te...
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WO/2023/106730A1 |
According to an embodiment, an aerosol generating device includes: a battery configured to provide power; a heating body configured to heat at least a part of an aerosol generating article; and an amplifier circuit electrically connected...
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WO/2023/106312A1 |
This power amplifier circuit comprises: a first amplifier that amplifies a first signal that is one balanced signal, and outputs a first amplified signal from a first output terminal; a second amplifier that amplifies a second signal tha...
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WO/2023/107852A1 |
An RF transistor amplifier circuit comprises a Group III nitride based RF transistor amplifier having a gate terminal, a Group III nitride based self-bias circuit that includes a first Group III nitride based depletion mode high electron...
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WO/2023/106877A1 |
The disclosure relates to a method and a device for transmitting and receiving a signal by a base station or a terminal in a wireless communication system. Specifically, a method performed by a first device in a wireless communication sy...
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WO/2023/107786A1 |
Methods, systems, and devices for wireless communications are described. The method includes transmitting a set of reference signals to a user equipment (UE), where the set of reference signals include a power amplifier uncompressed refe...
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WO/2023/103742A1 |
The present application provides a GaAs-based HBT process MMIC mobile radio frequency power amplifier and a linearizing bias circuit, comprising: a first transistor HBT1, a second transistor HBT2, a third transistor HBT3, a second capaci...
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WO/2023/097940A1 |
A power amplification circuit and a radio frequency signal processing method. The power amplification circuit comprises a power supply management module, a triode, and an output matching module; an input end of the power supply managemen...
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WO/2023/101476A1 |
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). According to...
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WO/2023/101847A1 |
A power amplifier system having a power amplifier stage with dynamic bias circuitry is disclosed. Also included is bias control circuitry having a compression sensor having a sensor input coupled to a RF signal output and a sensor output...
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WO/2023/100518A1 |
This power amplification circuit (10) comprises a power amplifier (11 and/or 12) configured so as to amplify a high-frequency signal, a power supply voltage terminal (112) connected to the power amplifier (11 and/or 12), and a bypass cap...
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WO/2023/101111A1 |
A precharge circuit according to the present embodiment comprises: a sample unit for sampling, at least twice at an interval, an input signal that has passed through a filter, and sampling in the same phase; a comparison unit for calcula...
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WO/2023/097533A1 |
Provided in the present application are an amplifier and a control method therefor, and an electronic device, which are used for improving the linearity of the amplifier. The amplifier comprises a first amplification circuit, a second am...
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WO/2023/093350A1 |
Provided in the present invention is a radio frequency power amplifier. The radio frequency power amplifier comprises a front-stage power amplifier, which is used for amplifying a signal of an input end, and then outputting a single-ende...
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WO/2023/093775A1 |
Embodiments of the present disclosure provide a protection circuit and a protection method for a power amplifier. The protection circuit for a power amplifier comprises a detection circuit, a controller, and an input impedance adjustment...
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WO/2023/093835A1 |
A circuit and method for protecting an amplifier. The circuit (300) for protecting the amplifier comprises a detection circuit (301), a controller (302), and a bypass impedance adjusting circuit (303). The detection circuit (301) is used...
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WO/2023/096669A1 |
A power amplifier has an amplifier cell (350) with an input terminal (352) receiving an input signal and an output terminal (386) providing an output signal. A bias network (408) is coupled to the output terminal (386) of the amplifier c...
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WO/2023/096878A1 |
Disclosed is a power amplifier having an output stage (12) having a radio frequency (RF) output (14) and an RF input (16) and a driver stage (18) having a driver input (20) coupled to the RF input (16), a control input (22), and a driver...
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WO/2023/093359A1 |
The utility model provides an output matching circuit, comprising a first low-pass matching network, a second low-pass matching network, a third low-pass matching network, a fourth low-pass matching network, a series matching network, a ...
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WO/2023/058414A9 |
A high-frequency circuit (1A) that can perform uplink MIMO for a first band comprises a power amplifier (30) that can amplify signals in the first band, a first circuit that can adjust the linearity of the output power of power amplifier...
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WO/2023/090604A1 |
An electronic device according to an embodiment comprises: an antenna; a PAM comprising a PA for amplifying a transmission signal and a protection circuit; a PMIC; and at least one processor, wherein the at least one processor may be con...
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WO/2023/088005A1 |
The present utility model provides an output matching network, a radio frequency power amplifier and a wireless communication apparatus. The output matching network comprises: an output power combining unit, the output power combining un...
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WO/2023/087627A1 |
The present invention provides a broadband Doherty power amplifier, comprising a driving amplifier, a power divider, a first input matching network, a carrier power amplifier, a second input matching network, a peak power amplifier, and ...
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WO/2023/090689A1 |
A method for controlling a power supply for amplifying an RF signal comprises: determining whether or not a power supply mode, for supplying power to an amplifier for amplifying the RF signal from a power modulator of a communication dev...
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WO/2023/090064A1 |
This limiter circuit includes: one first diode or a plurality of series-connected first diodes, the one or plurality of first diodes having an anode electrically connected to a signal line through which a high frequency signal passes, an...
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WO/2023/088000A1 |
A self-adaptive linear bias circuit (100), comprising a temperature compensation circuit (1), a third power transistor (Q3) and a second resistor (R2), which are connected in sequence. The temperature compensation circuit (1) comprises a...
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WO/2023/089796A1 |
This doherty amplifier comprises a main amplifier transistor (1) that has a source-drain parasitic capacitance (12) and operates as class AB, a transmission line (2) that has an input end (2a) connected to an output end (1a) of the main ...
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WO/2023/092095A2 |
A power amplifier system is disclosed having an N number of transistors coupled together drain-to-source between a supply node and a fixed voltage node, wherein a first one of the N number of transistors coupled nearest to the fixed volt...
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WO/2023/090202A1 |
A power amplification circuit (10A) comprises: a power amplifier (12) (carrier amplifier); a power amplifier (13) (peak amplifier); an external output terminal (101); a synthesizer (20) including an input terminal (201) connected to an o...
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WO/2023/087200A1 |
The present application relates to the technical field of communications, provides a signal processing apparatus and a communication device, and is used for improving the cancellation precision of a nonlinear distortion signal. The appar...
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WO/2023/087589A1 |
Provided in the present disclosure is a variable gain amplifier, comprising a voltage signal input end; a high-level generation module, which comprises a first high-level signal output end and a second high-level signal output end, and i...
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WO/2023/088002A1 |
The present utility model provides a substrate matching circuit, comprising a transmitting matching circuit, and a first receiving matching circuit and a second receiving matching circuit respectively connected to the transmitting matchi...
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WO/2023/082940A1 |
Provided in the embodiments of the present utility model is a radio frequency power amplifier, comprising a first transformer, a first-stage power amplifier, a second transformer, a second-stage power amplifier, a third transformer, a fi...
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