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WO/2022/023577A1 |
The invention relates to a method and a circuit (100) for driving and for supplying power to ultrasound transducers with a synchronous switched capacitor, controlled by a digital loop. This circuit (100) comprises a power interface (106)...
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WO/2022/019033A1 |
[Problem] To provide: an electronic device capable of suppressing noise; and an electro-acoustic transducer. [Solution] The present disclosure provides an electronic device comprising: a switching element that applies voltage based on a ...
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WO/2022/018560A1 |
Provided is a semiconductor device having reduced power consumption. This semiconductor device has a differential circuit and a latch circuit, wherein the differential circuit has a transistor including an oxide semiconductor in a channe...
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WO/2022/018824A1 |
An amplifier circuit comprises a variable degeneration circuit (1) connected to emitter terminals of transistors (Q1, Q2), and a variable negative capacitance circuit (2) connected to differential output signal terminals (Voutp, Voutn). ...
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WO/2022/017620A1 |
A differential amplifier (100A) includes an input stage (102). The input stage (102) includes a first input transistor and a second input transistor. The differential amplifier (100A) further includes a first capacitor coupled between th...
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WO/2022/015533A2 |
In certain aspects, a method is provided for measuring power using a resistive element coupled between a power amplifier and an antenna. The method includes squaring a voltage from a first terminal of the resistive element to obtain a fi...
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WO/2022/011459A1 |
An apparatus and method for determining signals representative of events in the environment of a reactive transducer while being driven by a switching amplifier is disclosed. While the switching amplifier is in a zero voltage state, a si...
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WO/2022/009748A1 |
The present invention limits deterioration of isolation when performing transmission of both a first transmission signal and a second transmission signal by simultaneous communication. A high-frequency module (1) is provided with a first...
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WO/2022/011339A1 |
A circuit (300) is provided. In some examples, the circuit includes a first transistor (336) having a gate and a drain coupled together and a current source (334) coupled to the drain of the first transistor (336). A second transistor (3...
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WO/2022/000341A1 |
A signal processing method and apparatus, involving: when a first radio-frequency emission channel operates at a first bandwidth, the first radio-frequency emission channel is configured to provide, for a first PA, a signal which is subj...
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WO/2021/259442A1 |
The present disclosure relates to a cascode amplifier (1), CA, for amplifying an input voltage (Vin) to an output voltage (Vout), wherein the CA (1) comprises at least one circuit branch (CB1) comprising a load resistor (RL), a first tra...
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WO/2021/261072A1 |
Provided is a current source circuit that generates a reference current with improved stability using capacity. The current source circuit comprises a pair of capacities, a switching circuit, an operational amplifier, and an output tra...
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WO/2021/260926A1 |
The other terminals of input terminating resistors (Ri1, Ri2) are respectively connected to bias voltages (Vb_1, Vb_2). The other terminal of an output terminating resistor (Ro1) is connected to a power supply voltage (VCC_1). The other ...
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WO/2021/260927A1 |
A multiplexer (4) is configured by: a distribution-type amplifier (1a) into which a signal (Vin1) is input and for which an impedance is matched to 50 Ω; a distribution-type amplifier (2a) into which a signal (Vin2) is input and for whi...
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WO/2021/262920A2 |
RF transistor amplifiers include an RF transistor amplifier die having a Group III nitride-based semiconductor layer structure and a plurality of gate terminals, a plurality of drain terminals, and at least one source terminal that are e...
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WO/2021/262748A1 |
Systems and apparatuses are disclosed that include an RF generator configured to generate RF signals having a wavelength. Amplifiers are configured to receive and amplify the RF signals from the RF generator and are separated from each o...
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WO/2021/260828A1 |
This Doherty amplifier is provided with: a first main amplifying element (5) which amplifies a first signal; a second main amplifying element (6) which amplifies the first signal after amplification by the first main amplifying element (...
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WO/2021/259034A1 |
An envelope amplifier (1), an envelope tracking power amplifier, and a signal processing method. The envelope amplifier (1) comprises: a comparator (11), used for comparing the voltage of a received radio frequency envelope signal to the...
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WO/2021/262557A1 |
Controllable radio frequency power amplifiers (RFPAs), e.g., in a Hybrid- MIMO array, which are being driven at lower power levels, are operated at conditions such that their inherent EVM and ACER are intentionally further increased. Thi...
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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/2021/257366A1 |
A device includes a sensor signal input node and a high-pass filter stage. The high-pass filter stage includes an operational amplifier and a feedback integrator. The operational amplifier includes an input node coupled to the sensor sig...
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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/2021/250117A1 |
Disclosed is a solid-state amplifier comprising at least one interconnection, between a microtrack and a linearized impedance transformation waveguide ridge, provided with a clamping device.
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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/2021/252858A1 |
Relay-aided intelligent reconfigurable surfaces (IRSs) are provided. A novel relay-aided intelligent surface architecture is described herein that has the potential of achieving the promising gains of IRSs with a much smaller number of e...
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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/2021/248344A1 |
Disclosed are a 1T2R radio-frequency circuit and a wireless communication device. The radio-frequency circuit comprises first and second radio-frequency amplifiers, first and second transceiving switches, first and second low-noise ampli...
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WO/2021/250118A1 |
Disclosed is a power combiner system comprising four solid-state microwave power amplifiers (1), connected in an H configuration by a magic tee device (2).
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WO/2021/250870A1 |
The amplification circuit according to an embodiment has a first circuit, a second circuit, and a third circuit. The first circuit includes a first transistor connected between a reference potential node and an input node through which a...
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WO/2021/244562A1 |
Disclosed in the present invention are a radio frequency power amplifier, a radio frequency front-end module, and a communication terminal. The power amplifier comprises a control unit, a power amplification unit, a detection and compari...
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WO/2021/247276A2 |
An integrated circuit device includes a radio frequency transistor amplifier die having a first surface, a second surface, a semiconductor layer structure that is between the first and second surfaces and includes a plurality of transist...
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WO/2021/243442A1 |
Disclosed is an RF (Radio Frequency) power source having a power supply configured to convert an AC (Alternating Current) voltage at a power supply input to a second voltage at a power supply output, and an RF generator configured to rec...
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WO/2021/244565A1 |
Disclosed are a radio-frequency power amplifier, a radio-frequency front-end module and a communication terminal. The radio-frequency power amplifier comprises a control unit, a power amplification unit, a detection unit and an input mat...
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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/2021/247202A1 |
An integrator circuit includes: an operational amplifier; a first capacitor coupled to an input of the operational amplifier; a second capacitor coupled in parallel to the first capacitor so that a first terminal of the first capacitor i...
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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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