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WO/2022/175755A1 |
The invention relates to a transimpedance amplifier, for instance a transimpedance amplifier of an active antenna comprising a loop aerial or a screened loop aerial. A transimpedance amplifier of the invention comprises: an input port (1...
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WO/2022/176187A1 |
The distributed circuit (10) according to the present invention is provided with a first transmission line (121) having an input end into which an input signal is input, a second transmission line (122) having an output end from which an...
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WO/2022/176947A1 |
A high frequency power amplification device (200) comprises, on a first main surface (101) of a multilayer sub-mount substrate (100): a carrier amplification semiconductor device (11); a peak amplification semiconductor device (12); a bi...
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WO/2022/175164A1 |
Disclosed is a circuit (100) for a medical device, comprising: - a voltage converter (110, 300) which is configured to provide at least one supply potential (HV) depending on a control signal (302, PWM) provided to the voltage converter ...
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WO/2022/173862A1 |
A system and method which includes receiving an input signal having an envelope and generating an envelope detection signal corresponding to the envelope. A bias current (IDD) provided to an amplifier circuit (308) is adjusted based upon...
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WO/2022/173562A1 |
A signal processing system may include a signal path and a chop management circuit. The signal path may comprise a chopper configured to chop a differential input signal to the signal path at a chopping frequency and a low-pass filter do...
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WO/2022/173357A1 |
The present invention relates to a method (300) for compensating output efficiency of a plurality of amplifiers arranged to operate with an antenna array, where the antennas in the antenna array are electromagnetically coupled to each ot...
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WO/2022/173540A1 |
An amplifier (800) has a first amplifying circuit (810) configured to receive a voltage input and to output an amplified current, a second amplifying circuit (820) configured to receive the amplified current and to output an amplified vo...
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WO/2022/172404A1 |
This differential amplification circuit comprises: an amplification unit (5) that includes a differential pair of transistors (Q1, Q2) to which differential signals (VIN) are inputted; and a tail current circuit that is constituted by a ...
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WO/2022/172074A1 |
The invention relates to the field of radio electronics, and in particular concerns solid-state amplifiers. The essence of the invention consists in that a combined a super-high-frequency amplifier unit consisting of two splitter/combine...
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WO/2022/170816A1 |
Disclosed are a bias circuit of a power amplifier, and an apparatus and a device. The circuit comprises a first-part circuit, a second-part circuit and a power source, wherein the power source is connected to a power source end of the fi...
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WO/2022/172868A1 |
Provided is a power amplification circuit for performing power amplification appropriately in accordance with the state of an input signal. A power amplification circuit (10) comprises: a divider (101) which includes a variable inductanc...
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WO/2022/166655A1 |
Disclosed in the present application is a push-pull power amplifier, which is applied to the technical field of radio frequency circuits, and is used for solving the problem that an existing push-pull power amplifier circuit is complex i...
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WO/2022/167142A1 |
The invention relates to a Doherty amplifier circuit (2) for a transmission stage (1), having a primary high-frequency, HF, amplifier element (5) and a secondary HF amplifier element (6), which, when in operation, is designed to effect a...
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WO/2022/168966A1 |
A power amplifier circuit comprising a first carrier amplifier that includes a differential amplifier circuit which has a first transistor and a second transistor, and a first peak amplifier that is formed on the same semiconductor subst...
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WO/2022/165569A1 |
The audio amplification system comprises a power supply (100) connected to a feedback circuit (107) that is connected to the output filter of the amplifier such that the voltage of the power supply (100) dynamically adjusts to the output...
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WO/2022/168781A1 |
A power amplification module comprising: a carrier circuit that includes one or more carrier amplifiers; a peak circuit that includes one or more peak amplifiers; a carrier control circuit that controls the base current or the gate volta...
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WO/2022/167507A1 |
A DC-DC converter topology based on electromagnetically coupled class-D LC oscillator is proposed. An electrical converter comprises at least two oscillators (1,2), each of the at least two oscillators being designed to have an oscillati...
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WO/2022/166651A1 |
The present application discloses a radio frequency front-end module and a wireless communication apparatus. The radio frequency front-end module comprises a substrate, and a push-pull power amplifier chip and a power supply end that are...
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WO/2022/170335A1 |
The operational amplifier disclosed includes an input stage configured to receive power from a floating supply circuit in a low voltage range that can float according to the common mode voltage at the input. The low voltage supply facili...
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WO/2022/169365A1 |
The present invention relates to a push-pull amplifying unit and a Doherty amplifier. The push-pull amplifying unit comprises a first amplifier, a second amplifier, a first shunt inductor, and a second shunt inductor. The first and secon...
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WO/2022/168214A1 |
This temperature compensation circuit (1) comprises: a first current path that carries out temperature compensation for a second transistor (12) in a first temperature range; and a second current path having a diode (31) that transitions...
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WO/2022/170178A1 |
A circuit includes a gain stage (112), first and second amplifiers (121, 122), and a comparison circuit (128). The gain stage (112) has an input and an output. The first amplifier (121) has an input and an output. The input of the first ...
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WO/2022/166534A1 |
A pre-distortion processing method and apparatus. The method comprises: obtaining a first continuous timing signal comprising a timing signal to be processed (S201); performing normalization processing on the first continuous timing sign...
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WO/2022/169715A1 |
Disclosed are systems for adjusting bias power provided to a radio-frequency amplifier to one or more figures of merit based on sensed characteristics of the amplifier and/or characteristics of the input or output power.
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WO/2022/165801A1 |
Provided in the present application is a communication apparatus, comprising a first chip and a second chip that are cascaded, wherein the first chip comprises an output pin and a driving circuit, the first chip is coupled to the second ...
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WO/2022/169666A1 |
Circuits and methods for achieving good AM-AM and AM-PM metrics while achieving good power, PAE, linearity, and EVM performance in an amplifier. Differential amplifier embodiments include cross¬ coupled common-gate transistors (MEQ+, ME...
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WO/2022/166652A1 |
The present application belongs to the technical field of amplification circuits, and in particular, relates to a push-pull power amplification system. Said system comprises: a substrate; an input conversion circuit, configured to conver...
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WO/2022/169075A1 |
The present invention relates to a circuit for removing an offset voltage included in an output voltage of an electronic component, the circuit comprising: a first resistance having one end connected to a bias voltage terminal; a second ...
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WO/2022/167524A1 |
In the present case the intention is to provide a fast and compact receiver circuit (1) for THz radiation. This is achieved by virtue of the fact that the receiver circuit (1) comprises at least one THz power detector (2), the THz power ...
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WO/2022/167203A1 |
The invention relates to a high-frequency, HF, power amplifier circuit (1) having a 90° hybrid coupler (14) and a first HF power amplifier element (12) which is designed to amplify a first component of part of an input signal and to fee...
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WO/2022/164533A1 |
A system may include a front end differential amplifier having two input terminals, two input resistors, each of the two input resistors coupled to a respective one of the two input terminals, and an input common mode biasing circuit for...
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WO/2022/165345A1 |
A class-D amplifier provides low-distortion operation near one of the output power supply rails. The class-D amplifier has a first driver circuit, a second driver circuit and a control circuit. In some embodiments, the control circuit se...
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WO/2022/162943A1 |
This common adjustment circuit (10) comprises: a first comparator (151) that compares a reference voltage with the voltage between a first transistor (111) and a first resistor (121), and outputs the result; a current mirror circuit (161...
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WO/2022/160953A1 |
A weak current amplifier circuit and a sensor system. The weak current amplifier circuit is provided with two stages of amplification structures and two stages of filtering structures, which are arranged in an intersecting manner and com...
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WO/2022/161609A1 |
A distributed amplifier circuit (200a) includes N transistors, N is greater or equal to 1. Each transistor is connected to an input line (204) common to all transistors so as to allow applying a common input signal to each transistor thr...
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WO/2022/160892A1 |
The present application provides a push-pull radio frequency power amplifier and a circuit control method. The push-pull radio frequency power amplifier comprises a coupling feedback circuit, a driving stage circuit, and a power output s...
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WO/2022/164601A1 |
A field effect transistor (FET) transconductance device with varying gate lengths is disclosed. In one aspect, the varying effective gate lengths are used in a differential architecture to obtain linear even and odd order operation simul...
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WO/2022/155802A1 |
An instrumentation amplifier (100), a related chip, and an electronic apparatus. The instrumentation amplifier (100) is configured to sequentially operate in a sampling phase and a holding phase, to generate a second positive output sign...
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WO/2022/159236A1 |
Class-D amplifiers and modulators therefor provide control of the DC operating point of the outputs of the amplifiers. The modulators generate a sum and difference signal using combiners and introduce the sum signal to a reference input ...
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WO/2022/156828A1 |
A grounded coplanar waveguide structure-based radio frequency broadband power amplifier and a design method. The power amplifier comprises, arranged from top to bottom, a microstrip grounded coplanar waveguide module (101), a PCB substra...
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WO/2022/159305A1 |
In certain aspects, an apparatus includes a first amplifier having a first output and a second output, and a transformer. The transformer includes a first switchable inductor coupled between the first output and the second output, a firs...
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WO/2022/153768A1 |
This high-frequency module (1) is provided with a module substrate (91) having two opposite main surfaces (91a and 91b), a resin member (92a) covering at least part of the main surface (91a), a shield electrode layer (93) covering at lea...
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WO/2022/151840A1 |
Disclosed are a class D audio amplifier and a pulse width adjustment method therefor, and an electronic device. The class D audio amplifier comprises: a pulse width modulation module (110), used for performing pulse width modulation on a...
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WO/2022/153767A1 |
A high-frequency module (1) equipped with a module substrate (91) having main surfaces (91a, 91b) which oppose one another, also equipped with a plurality of post electrodes (150) arranged on the main surface (91b), and further equipped ...
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WO/2022/155296A1 |
An analog front-end (AFE) device and method for a high baud-rate receiver. The device can include an input matching network coupled to a first buffer device, which is coupled to a sampler array. The input matching network can include a f...
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WO/2022/150817A1 |
A radio frequency (RF) transmitter includes an analog RF power amplifier and a digital Dynamic Error Vector Magnitude (DEVM) correction module. The DEVM correction module compensates for time-dependent variations in an instantaneous gain...
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WO/2022/150819A1 |
A voltage-to-current converter circuit comprises an amplifier, a resistor, first and second feedback circuits, and an output circuit. The amplifier is configured to receive a differential input voltage signal. The resistor is coupled bet...
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WO/2022/148603A1 |
The invention relates to an analog frontend architecture (100) for a capacitive pressure sensor (109) with a low-noise amplifier unit (101) for low-noise amplification of sensor signals of the capacitive pressure sensor (109), the low-no...
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WO/2022/144521A1 |
The present invention relates to a conversion device, or commonly called transimpedance amplifier, able to convert an input electric current (Id) from a current source such as a photonic sensor (D) into an output voltage (Vo) and compris...
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