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WO/2021/259448A1 |
A transmitter circuit (30) is disclosed. It comprises a signal input (40) for receiving an analog input signal and a local oscillator (LO) input (45) for receiving an LO signal. It comprises a mixer circuit (100) having a first input (10...
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WO/2021/261184A1 |
The objective of the present invention is to stabilize the power supply voltage supplied to a power amplifier in an average power tracking (APT) scheme, for a case in which the APT scheme and an envelope tracking (ET) scheme are supporte...
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WO/2021/257180A1 |
Integrated semiconductor devices are described. In one example, an integrated device includes first and second transistors formed on a substrate, where the transistors share a terminal metal feature (220) to reduce a size of the integrat...
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WO/2021/253597A1 |
A power amplifier output matching circuit, a radio frequency front-end module, and a wireless device. The power amplifier output matching circuit is used for connecting a first power amplifier output (11) and a second power amplifier out...
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WO/2021/255976A1 |
The purpose of the present invention is to limit the output power of an amplifier circuit more accurately. A high-frequency circuit (100) includes an amplifier circuit (2), a bias circuit (3), a bias control circuit (54), a comparison un...
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WO/2021/256088A1 |
The present invention limits the output power of an amplification circuit more accurately. This high frequency circuit is provided with an amplification circuit (2), a bias circuit (3), a bias control circuit (54), a comparing unit (6), ...
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WO/2021/257853A1 |
An electronic package houses one or more RF amplifiers (18, 18a, 18b). At least one of an input or output impedance matching network (16, 16a, 16b, 20, 20a, 20b) integrated on the package and electrically coupled to the gate or drain bia...
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WO/2021/251081A1 |
This semiconductor device comprises, for instance, one or a plurality of first subcontacts that are electrically conductive with a substrate. At least one of the first subcontacts is formed in an element placement region on the substrate...
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WO/2021/251680A1 |
In an electronic device and an operation method of the electronic device according to various embodiments, a communication circuit of the electronic device may comprise: a first transmission chain which outputs a first transmission signa...
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WO/2021/250721A1 |
An amplification circuit is configured so as to be provided with a first amplifier (3) for amplifying a signal subject to amplification, an output matching circuit (4) for propagating the signal after being amplified by the first amplifi...
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WO/2021/251852A1 |
There is provided mechanisms for enabling linearization of a non-linear electronic device. A method is performed by a linearizer device. The method comprises receiving an input signal destined to be input to the non-linear electronic dev...
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WO/2021/251217A1 |
The present invention makes it possible to achieve both low loss and good attenuation characteristics in each of a plurality of communication bands. A high frequency module (1) comprises a plurality of power amplifiers, an external conne...
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WO/2021/247365A1 |
An amplifier includes an input matching network; at least one transistor; an input lead coupled to the at least one transistor; a ground terminal coupled to the transistor; an output lead coupled to the at least one transistor; an output...
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WO/2021/244236A1 |
Disclosed are a predistortion method and system, a device, and a storage medium. The method is applied to the predistortion system. The predistortion system comprises a predistortion multiplier, a complex neural network, and a radio freq...
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WO/2021/245060A2 |
The invention relates to a protective circuit assembly (21) for protecting an electric signal processing device (11) from damage caused by an error status exhibiting an error of the following group of error types: error voltage, in parti...
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WO/2021/245891A1 |
This Doherty amplifier is configured to include: a first amplifier (9) which amplifies a first signal as an auxiliary amplifier if the frequencies of the first signal and a second signal are each a first frequency, and amplifies the firs...
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WO/2021/240784A1 |
An amplification circuit (1) according to the present invention comprises: source-grounded amplifiers (20, 30); and a neutralization circuit (40) that is connected between the drain terminals and gate terminals of the source-grounded amp...
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WO/2021/240843A1 |
An amplification circuit (1) according to the present invention is provided with source grounded amplifiers (20, 30), and a neutralizing circuit (40) which is connected between the drain terminals and the gate terminals of the source gro...
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WO/2021/241474A1 |
According to the present invention, power consumption is reduced. This tracker module (1) comprises: a second substrate separate from a first substrate; a tracker component (3); and a low-pass filter (4). A power amplifier is disposed on...
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WO/2021/242613A1 |
Methods and apparatuses for providing a reduction in output power of a balanced amplifier configuration are presented. According to one aspect, reduction of the output power is provided by deactivating one of the two amplification paths ...
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WO/2021/241491A1 |
This amplifier module comprises a Doherty amplifier circuit. The Doherty amplifier circuit includes a first transistor chip that constitutes a carrier amplifier, a first output signal line that transmits a first amplified signal outputte...
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WO/2021/241233A1 |
The present invention makes it possible to realize both low-loss and good attenuation characteristics in each of a plurality of communication bands. A tracker module (1) comprises an external connection terminal (12), a tracker (3), and ...
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WO/2021/240830A1 |
An amplification circuit (1) according to the present invention comprises: source-grounded amplifiers (20, 30); and a neutralization circuit (40) connected between drain terminals and gate terminals of the source-grounded amplifiers (20,...
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WO/2021/232601A1 |
A composite series digital power amplifier, belonging to the technical field of digital power amplifiers. A front-stage module and a rear-stage module are connected in series; the front-stage module uses a high-voltage power supply, a hi...
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WO/2021/235125A1 |
This amplifier device (1) comprises: an amplifier (20) that includes an amplification transistor (21) that amplifies inputted high frequency signals; a bias circuit (40) connected to the amplifier (20); an inductor (50) serially connecte...
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WO/2021/235140A1 |
This amplification circuit is provided with: an amplifier (5) that includes an amplification transistor (10); and a bias circuit (1). The bias circuit (1) includes: a bias transistor (22) that has a base terminal (B1) and a collector ter...
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WO/2021/227328A1 |
Disclosed are an impedance regulating circuit (501) and method, and a bias circuit and an amplifier. The impedance regulating circuit (501) is connected in parallel to a bias current output end of a bias circuit (502). The bias circuit (...
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WO/2021/227902A1 |
A multiphase-based Doherty power amplifier control method and device. The method comprises: obtaining a baseband signal; generating two vector signals according to the baseband signal, the two vector signals respectively comprising a pha...
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WO/2021/227275A1 |
A gain compensation device (13) and a bias circuit device. A compensation bias current is generated by the gain compensation device (13), so as to compensate a gain deviation of a power amplifier (122), improving the stability of the pow...
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WO/2021/229913A1 |
In the present invention, a DPD (1) comprises a polynomial structure and an FIR filter (107). The polynomial structure includes: a pseudo-interpolation and sub-sample shift processing unit (101) that operates at a sampling rate at which ...
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WO/2021/232030A1 |
An active balun amplifier includes a first plurality of metal oxide semiconductor (MOS) transistors arranged in series, the first plurality of MOS transistors comprising a first input transistor of a first conductivity type, a second inp...
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WO/2021/228396A1 |
17 ABSTRACT A transmitter and Doherty power amplifier configured for envelope-controlled biasing of an auxiliary transmitter of the Doherty power amplifier are disclosed. According to one aspect, a transmitter having a main amplifier in ...
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WO/2021/225970A1 |
A radio frequency front end circuit for a multimode transceiver has a first operating mode transmit input port, a second operating mode transmit input/receive output port, and a hybrid first and second operating mode receive output port....
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WO/2021/225031A1 |
A transconductance amplifier, wherein the power consumption and noise are reduced. The transconductance amplifier is provided with a main amplifier, an auxiliary amplifier, a feedback capacitance, a gate capacitance, a load capacitance...
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WO/2021/219004A1 |
Provided is a multistage Doherty power amplifier apparatus. The apparatus comprises a power divider, an adjustable matching circuit, a power amplifier module and a combiner, wherein the power divider divides a received input signal into ...
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WO/2021/217673A1 |
The present application relates to the technical field of communications. Disclosed are a wireless communication device, a system, and a signal processing method, which facilitate stabilizing the characteristics of a power amplifier in a...
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WO/2021/221522A1 |
A method and apparatus for decomposition of signals with varying envelope into offset components are disclosed here, that sample the time variant envelope of a single carrier (SC) or a multi-carrier (MC) band limited signal, quantizes th...
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WO/2021/220772A1 |
A power amplifying device (100) comprises: a first power supply terminal for inputting a first power supply voltage; a first transistor (101) for power amplification, which is supplied with power from the first power supply terminal and ...
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WO/2021/221523A1 |
Methods and systems for power amplification with digital quantized power supply with multiple amplifiers are disclosed herein. In one embodiment, a time-varying envelope signal is sampled, quantized and decomposed into several constituen...
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WO/2021/220338A1 |
A Doherty amplifier (1) is provided with: a first amplifier element (5) for amplifying a first signal; a second amplifier element (6) for amplifying a second signal that has a phase difference from the first signal; a first transmission ...
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WO/2021/212727A1 |
The present application provides a radio frequency power amplifier capable of performing harmonic suppression. One end of an input matching circuit is connected to a radio frequency input end, and the other end of the input matching circ...
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WO/2021/212818A1 |
A broadband Doherty amplifier, comprising: an input, an output, a main amplifier and at least one auxiliary amplifier, wherein a harmonic modulation circuit connected to the main amplifier or the auxiliary amplifier is respectively integ...
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WO/2021/215443A1 |
This high frequency amplifier comprises: a first transistor and a second transistor; a first drain pad connected to the first transistor and a second drain pad connected to the second transistor; a matching circuit pattern that includes ...
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WO/2021/211369A1 |
A method for automatically correlating radio wave pulses includes deterring a first normalized phase shift that corresponds to a first radio wave pulse. The method further includes determining a second normalized phase shift that corresp...
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WO/2021/211900A1 |
Certain aspects of the present disclosure provide techniques for training a digital pre-distorter (DPD) using real-time over-the-air transmissions and receptions by a user equipment (UE). A method for training the DPD generally includes ...
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WO/2021/208391A1 |
Embodiments of the present application provide a circuit of a power amplifier. The circuit of the power amplifier comprises: a power amplifying circuit and a diode assembly. The diode assembly is connected to a transistor amplifying circ...
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WO/2020/156161A9 |
A digital-to-analog converter, a digital power amplification subsystem, and a digital power amplification system, the digital converter comprising: a first constituent branch and a second constituent branch. The first constituent branch ...
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WO/2021/211619A1 |
Amplifier having input power protection. In some embodiments, an amplifier circuit can include an input node and an output node, and an amplifier implemented between the input node and the output node. The amplifier circuit can further i...
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WO/2021/204004A1 |
The embodiments of the present application provide a signal processing method and apparatus, relating to the field of communications. The apparatus can provide adjustable equivalent impedance at an input port of a 90° directional couple...
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WO/2021/206658A1 |
The invention relates to a transmitter (A) that saves energy by providing the best efficiency in all conditions in terrestrial radio-television broadcasting, reduces the malfunction issues, reduces the time spent by its manufacturers for...
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