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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/2021/240239A1 |
Isolated circuit systems are provided. The systems include a primary side circuit and a secondary circuit, electrically isolated from each other. The primary side and secondary side circuits each utilize a direct current (DC) reference s...
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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/2021/240994A1 |
A first transistor M1 has a control terminal to which a first input signal is supplied and which is connected between the other end of a current source 18, and a first node N1. A second transistor M2 has a control terminal to which a sec...
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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/2021/232788A1 |
The present application belongs to the technical field of medical instruments, and provides a pacemaking switching circuit, a pacemaking switching apparatus, and an implantable cardiac pacemaker. A first electrode and a second electrode ...
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WO/2021/236462A1 |
A class-D amplifier (305) with multiple "nested" levels of feedback. The class-D amplifier (305) surrounds an inner feedback loop (340), which takes the output of a switching amplifier (310) and corrects for errors generated across the s...
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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/2021/232861A1 |
Disclosed are a differential signal amplification circuit, and a digital isolator and a receiver employing the differential signal amplification circuit. The differential signal amplification circuit comprises differential amplifiers in ...
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WO/2021/227419A1 |
An output circuit of a power amplifier, comprising: an output network connected to an active device. The output network comprising an impedance matching network and a bias balance network; the bias balance network is connected to an outp...
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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/2021/229913A1 |
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/2021/227280A1 |
Disclosed are a radio-frequency front-end module and a wireless apparatus, which are applied to the technical field of radio-frequency circuits, and are used for solving the problem of a low-reliability device being burnt due to a power ...
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WO/2021/227281A1 |
Disclosed in the present application are a power amplifier module and a wireless device, applied to the technical field of radio-frequency circuits and used for solving the problem of the low integration level of power amplifier modules....
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WO/2021/228652A1 |
The invention relates to a circuit assembly for limiting the gate current at a field-effect transistor, in particular a circuit assembly for limiting the gate current at a GaN or HaAs HF power HEMT in an analogue amplifier circuit. A cir...
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WO/2021/227125A1 |
Disclosed are a radio-frequency circuit, a radio-frequency signal transmitting and receiving method, and a wireless communication device. The radio-frequency circuit comprises a first radio-frequency amplifier, a second radio-frequency a...
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WO/2021/227274A1 |
Disclosed are a capacitor switching chip and a radio-frequency power amplification circuit. A capacitor switching chip (1) comprises: an interface module, a first switch module (10), an internal capacitor (C1), and a second switch module...
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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/2021/223121A1 |
Disclosed are a bidirectional multi-frequency amplifier (100), a transceiver, a control method and a storage medium. The bidirectional multi-frequency amplifier (100) comprises: an amplification circuit (10), comprising a plurality of am...
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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/2020/257392A9 |
A dual integrator system (200) comprises two integrators (220A-B), an output stage (270), and a switching network (240 A-D). The first and second integrators receive a differential Hall sensor signal (205, 210) and a reference voltage (2...
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WO/2021/219799A1 |
The invention relates to a vehicle circuit assembly (1) for supplying an electric load (2) with a vehicle on-board voltage (UFB) in order to detect an overload, said electric load (2) having a specifiable nominal power. The vehicle circu...
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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/2021/219167A1 |
The invention relates to a level converter and to a circuit assembly comprising such a level converter. The level converter comprises a transistor (10), an impedance converter (20), an input voltage connection (30), an output voltage con...
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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/2021/212543A1 |
Provided is a differential amplifier common-mode rejection ratio and gain trimming circuit, comprising: a first trimming unit and a second trimming unit that are connected between a non-inverting input voltage and a reference voltage, wh...
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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/2021/214049A1 |
A drive device (100) for driving an actuator (200) of an optical system (300), comprising a switching amplifier (110) for generating an amplified signal (aPWM) depending on a modulation signal,a filter unit (120) connected between the ac...
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WO/2021/215457A1 |
[Problem] To provide an AC amplifier in which current consumption in an oscillating state is reduced. [Solution] The present invention is an AC amplifier including a first PMOS transistor, a first NMOS transistor, and a second NMOS trans...
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WO/2021/215041A1 |
Provided are a power amplifier module and a communication device having reduced size. A power amplifier module (100) comprises a mounting substrate (200), a power amplifier (80), and an attenuating circuit (such as a first attenuating ci...
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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/2021/211900A1 |
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/2021/209390A1 |
An impedance matching circuit (11), a plasma supply system (1) comprising such an impedance matching circuit, and a method for operating such an impedance matching circuit, in particular in such a plasma supply system comprising a series...
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WO/2021/211565A1 |
Examples described herein include methods, devices, and systems which may compensate input data for nonlinear power amplifier noise to generate compensated input data. In compensating the noise, during an uplink transmission time interva...
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WO/2021/211026A1 |
The present invention relates to a tunable waveguide resonator and a method of tuning a frequency of the tunable waveguide resonator. The waveguide resonator comprises a waveguide part having a plurality of walls where one of the plurali...
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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/2021/205962A1 |
This integrated circuit comprises an amplifier that amplifies an analog signal, and an offset adjusting circuit that is provided in a stage preceding the amplifier and adjusts the offset amount of the analog signal before the amplificati...
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WO/2021/205614A1 |
A power supply modulator (1) is provided with: a first switching element (11) which has a first terminal and a second terminal, wherein a first voltage is applied to the first terminal, and the second terminal is connected to an output t...
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WO/2021/206176A1 |
This power-amplifying device realizes wide bandwidth operation of a high-frequency power-amplifying circuit. A power-amplifying device (100A) includes: a power-amplifying circuit (1) that amplifies a high-frequency input signal; a first ...
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