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WO/2022/271825A1 |
An amplifier includes a Field Effect Transistor (FET) or a Bipolar Junction Transistor (BJT) with "hard saturation."; where the FET or the BJT to has a nearly constant drain or collector current when the drain or collector voltage is gre...
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WO/2022/272046A1 |
A phase shifter includes functional actively controlled phase-shift elements formed with TSVs. The phase shifter may include plural phase shifter elements each including: a signal line including a signal line through-substrate-via (TSV) ...
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WO/2022/268508A1 |
Systems and methods for compensating a transmit signal for charge trapping effects of a power amplifier are provided. In certain embodiments, a non-linear filter is trained based on time aligning a first set of observations taken from di...
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WO/2022/271017A1 |
The present invention relates to a Doherty power amplifier, and a Doherty power amplifier module configured to be mounted on a printed circuit board for forming such a Doherty power amplifier. According to the present invention, a series...
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WO/2022/271407A1 |
A peak detector for a power amplifier is provided that includes a threshold voltage detector configured to pulse a detection current in response to an amplified output signal from the amplifier exceeding a peak threshold. A plurality of ...
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WO/2022/271472A1 |
A method may include receiving, by a transducer driving system, a first signal for driving an amplifier that drives an electromagnetic load and receiving, by the transducer driving system, a second signal driven by the amplifier in order...
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WO/2022/270537A1 |
Provided is a power amplifier of which gain can be adjusted according to a power mode. This power amplification circuit 10 comprises: a distributor 104 which distributes an input signal RFin into a signal RF1 and a signal RF2, and output...
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WO/2022/268590A1 |
Systems, methods, apparatuses, and computer program products for network- assisted signaling for uplink digital pre-distortion (DPD). A gNB may use an uplink reference signal (RS) to measure a user equipment's (UE's) power amplifier (PA)...
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WO/2022/271405A1 |
Methods and devices for limiting the power level of low noise amplifiers (LNA) implemented in radio frequency (RF) receiver front-ends. The described methods are applicable to bypass, low and high gain modes of the LNA. According to the ...
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WO/2022/262991A1 |
Systems and methods for multiband linearization using kernel regression are provided. In some embodiments, a method includes, for each band of the multiband transmitter: transforming a group of input signals from one or more bands into a...
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WO/2022/266009A1 |
An application specific integrated circuit (ASIC) can drive semiconductor devices, such as, radio frequency amplifiers, switches, etc. The ASIC can include a supply and reference voltage generation circuit, a digital core, a clock genera...
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WO/2022/264716A1 |
Provided is a high voltage amplifier that allows shoot-through currents to be held stably without individual adjustment. A high voltage amplifier comprising: an input circuit for amplifying an input signal; a positive-side level shift ...
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WO/2022/265963A1 |
A two-stage differential amplifier (300) includes a first amplifier stage (304P, 306P) receiving a differential input voltage (VINP, VINM) and presenting first and second intermediate outputs (V1P, VIM). The amplifier further includes a ...
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WO/2022/263047A1 |
A system comprising a transimpedance amplifier (TIA) circuit, the TIA circuit comprising a primary transimpedance circuit stage for connection to an optical sensor. The primary transimpedance circuit stage comprises: a first and second c...
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WO/2022/265844A1 |
Methods and devices for reducing DC current consumption of a multi-stage LNA amplifier. According to one aspect, first and second amplification stages are stacked to provide a common conduction path of a DC current. The first stage inclu...
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WO/2022/260855A1 |
A packaged RF transistor amplifier includes an RF transistor amplifier die having a first terminal, a first lead, an integrated passive device that includes a first series microstrip transmission line, a first bond wire coupled between t...
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WO/2022/259892A1 |
An amplification circuit (10) comprises: amplifiers (11-13); transformers (21, 22); and a transmission line (31). One end (211a) of an input side coil (211) is connected to an output terminal (11b) of the amplifier (11). The other end (2...
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WO/2022/253438A1 |
There is provided mechanisms for DPD size determination of an access node. The access node is configured for operation in a digital massive MIMO system. The access node comprises a plurality of antennas, one radio chain per antenna, and ...
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WO/2022/256416A1 |
A distribution amplifier for a communication device such as a gateway is provided. The distribution amplifier can receive an input signal and provide multiple output signals. The distribution amplifier can have a transmission line that r...
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WO/2022/251997A1 |
A power circuit (A) and an electronic device. The power circuit (A) comprises a power module (A1) and a power supply module (A2) coupled to the power module (A1). The power module (A1) is configured to: supply power in a time-sharing pow...
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WO/2022/255538A1 |
The present invention relates to a multi-band Doherty amplifier using a Schiffman phase shifter and, more particularly, to a multi-band Doherty amplifier using a Schiffman phase shifter, wherein the Schiffman phase shifter is applied to ...
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WO/2022/255389A1 |
A high frequency module (1) comprises a module substrate (60), a carrier amplifier (11) and a peak amplifier (12), a transformer (20), and a phase adjusting circuit (35). The carrier amplifier (11) and the peak amplifier (12) are include...
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WO/2022/254537A1 |
Provided is a reference voltage generation circuit that is capable of improving temperature dependency of an output voltage with a simple circuit. The reference voltage generation circuit is provided with a band-gap reference voltage g...
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WO/2022/253200A1 |
Disclosed in the present application are a Doherty power amplifier, a system and a control method. The Doherty power amplifier comprises: a carrier amplification circuit; a peak amplification circuit; a peak bias circuit, which is config...
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WO/2022/254875A1 |
This high-frequency circuit (1) comprises carrier amplifiers (11, 12), peak amplifiers (13, 14), transformers (21 and 22), a signal output terminal (200) to which a first end of an output-side coil (212) is connected, an LC series circui...
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WO/2022/254995A1 |
An amplification circuit configured to generate an error voltage corresponding to a difference between a subject voltage and a reference voltage, the amplification circuit comprising: a first differential input pair including a first tra...
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WO/2022/255388A1 |
A high frequency circuit (1) is provided with a carrier amplifier (11), a peak amplifier (12), a transformer (20), and an impedance conversion circuit (30). One end of an input-side coil (201) is connected to an output terminal of the ca...
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WO/2022/247655A1 |
The present application provides a method for determining nonlinear feature parameters of a power amplifier, and a related apparatus. The method comprises: receiving, on at least one first frequency band, a first reference signal and a s...
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WO/2022/249556A1 |
An amplifier circuit of the present disclosure comprises: an input terminal; an output terminal; one or more transistors disposed on the path connecting the input terminal and the output terminal; an amplitude detection circuit that can ...
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WO/2022/251834A1 |
One or more examples relate to an apparatus to amplify differential voltage signal components of voltage across a resistor. Such an apparatus may include a resistor; a differential amplification circuit operatively coupled with the resis...
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WO/2022/249380A1 |
This Doherty amplifier (100) is configured so as to comprise a carrier amplifier (4) that amplifies a first high-frequency signal having respectively a first higher harmonic wave and a second higher harmonic wave, a peak amplifier (7) th...
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WO/2022/241627A1 |
A feed forward amplification circuit, an audio amplifier, and an audio playing apparatus, which relate to the field of feed forward amplification circuits. The amplification circuit comprises: a main amplifier circuit, an adder circuit, ...
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WO/2022/237395A1 |
A pre-distortion processing method and apparatus, a communication device, and a storage medium, wherein the pre-distortion processing method is applied to a pre-distortion processing apparatus, and the pre-distortion processing apparatus...
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WO/2022/241347A1 |
An apparatus is disclosed for gain stabilization. In an example aspect, the apparatus includes an amplifier and a gain-stabilization circuit. The amplifier has a gain that is based on a bias voltage and an amplification control signal. T...
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WO/2022/240732A1 |
Systems, devices, and methods related to hybrid basis function, neural network-based digital predistortion (DPD) are provided. An example apparatus for a radio frequency (RF) transceiver includes a digital predistortion (DPD) actuator to...
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WO/2022/240731A1 |
Systems, devices, and methods related to using model architecture search for hardware configuration are provided. An example apparatus includes an input node to receive an input signal; a pool of processing units to perform one or more a...
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WO/2022/240043A1 |
According to various embodiments, an electronic apparatus comprises: a communication processor; a radio frequency integrated circuit (RFIC) which receives an input of a signal output from the communication processor and modulates the sig...
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WO/2022/240730A1 |
Systems, devices, and methods related to using model architecture search for hardware configuration are provided. A method includes receiving, by a computer-implemented system, information associated with a pool of processing units; rece...
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WO/2022/239217A1 |
This Doherty amplifier comprises: a carrier amplifier (4) which amplifies a first signal; a peak amplifier (7) which amplifies a second signal; and a synthesis circuit (8) which synthesizes the first signal amplified by the carrier ampli...
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WO/2022/237567A1 |
The embodiments of the present application relate to the technical field of electronics, and disclosed are a power amplifier and a communication base station. In some embodiments of the present application, the power amplifier comprises ...
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WO/2022/240975A1 |
In a dynamic signal traffic scenario, a narrowband to wideband transition in a DPD system results in a tilt in the output spectrum until the next DPD adaptation cycle occurs. To address this problem, regularization term is applied with a...
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WO/2022/236821A1 |
A signal processing method, which is used for avoiding the problem of digital pre-distortion failure caused by different generation moments of signals at the same receiving moment to enhance the processing effect of digital pre-distortio...
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WO/2022/234122A1 |
A signal processing device (200) comprises a transconductance amplifier circuit portion (202) to produce an output current (lout) dependent on an input voltage (Vin), and a transimpedance amplifier circuit portion (204) to produce an out...
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WO/2022/235535A1 |
A semiconductor device package includes a plurality of input leads and an output lead, a plurality of transistor amplifier dies having inputs respectively coupled to the plurality of input leads, and a combination circuit configured to c...
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WO/2022/234038A1 |
A circuit portion (1) for generating an output reference voltage (VZERO, VUPPER, VLOWER) comprises a self-cascode circuit portion, a follower circuit portion, and a reference resistor (R1). The self-cascode circuit portion generates a fi...
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WO/2022/235704A1 |
A system for adjusting various parameters of an active electronic component based on sensed characteristics of the active electronic component and/or characteristics of the input or output power.
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WO/2022/234244A1 |
The present disclosure relates to circuitry for driving a load. The circuitry comprises: primary driver circuitry coupled to a primary signal path and operable to drive the load with a playback signal in a first mode of operation of the ...
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WO/2022/227023A1 |
The present application relates to the field of communications. Disclosed are a power supply circuit for a power amplifier (PA) and a communication device, for use in improving the conversion efficiency of a power supply circuit of a PA....
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WO/2022/229046A1 |
Disclosed is a method comprising selecting (401), by a base station, a power amplifier distortion model from a set of power amplifier distortion models, wherein the power amplifier distortion model comprises a pre-trained machine learnin...
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WO/2022/229682A1 |
A method and a transmitter providing magnitude and phase adjustment for high output power radio frequency (RF) power amplifier (PA) combining are provided. According to one aspect, a method includes making adjustments to the magnitude an...
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