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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/2022/170335A1 |
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/2022/169713A1 |
Circuits and methods for achieving good amplifier AM-AM and AM-PM metrics while achieving good power, PAE, linearity, and EVM performance. Embodiments compensate for a non-linear distortion profile (e.g., an AM-PM and/or AM-AM profile) i...
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WO/2022/169362A1 |
A method of applying an activation scheme to a digitally controlled segmented RF power transmitter having a plurality of adjacent segments (3), each segment (3) having an associated activation area, the segments (3) being controlled by o...
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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/2022/167203A1 |
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/2022/160953A1 |
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/2022/160248A1 |
The embodiments of the present application provide a multi-band power amplification circuit and a radio frequency transceiver, which are used to increase VBW on the premise of ensuring linear correction and reducing circuit loss. The mul...
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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/2022/163791A1 |
The present invention makes it possible to reduce the noise component of a power supply voltage that is outputted to a power amp and to shorten the wiring between a filter and an output terminal that is connected to the power amp. A trac...
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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/2022/155786A1 |
A precise linear feedback amplification circuit, comprising an RCA interface and an XLR interface. The RIGHT end of the RCA interface is connected to a resistor R3 and a port 5 of a switch RY1A by means of a capacitor C3, and the LEFT en...
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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/2022/155296A1 |
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/2022/155163A1 |
A dual-drive power amplifier (PA) where the PA core includes a differential pair of transistors Ml and M2 that are driven by a coupling network having two transmission-line couplers, where a first transmission line section of a coupler i...
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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/2022/148603A1 |
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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WO/2022/143200A1 |
A radio frequency power amplifier power supply circuit and a control method therefor. The control method is applied to the radio frequency power amplifier power supply circuit, and comprises: detecting the amplitude of an envelope signal...
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WO/2022/142605A1 |
Disclosed in the present invention is a broadband Doherty power amplifier having a novel balancing network, comprising: a main amplifier and at least one auxiliary amplifier. An output end of the main amplifier and an output end of the a...
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WO/2022/142637A1 |
A low noise amplifier circuit, comprising a radio frequency amplifier circuit (10), having one end connected to a signal input end (Vin), and the other end connected to an output impedance matching circuit (20); the output impedance matc...
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WO/2022/144941A1 |
Concept and ways are described of implementing a sound distortion circuit suitable for musical instruments, in particular, for electric guitars. Inputting an audio signal, low noise intrinsic to the circuit electronics is provided to the...
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WO/2022/146913A1 |
Power amplifier having analog pre-distortion by adaptive degenerative feedback. In some embodiments, a pre-distortion circuit for an amplifier can include a transistor having an input node for receiving an input signal, an output node fo...
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WO/2022/145183A1 |
This amplifier (10) comprises a high-frequency-signal input-side transistor (21) and a high-frequency-signal output-side transistor (22) that are cascode-connected. The amplifier (10) is provided with an input matching circuit (31) conne...
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WO/2022/143504A1 |
The embodiments of the present application disclose a radio frequency amplifier for amplifying a radio frequency signal. The radio frequency amplifier in the embodiments of the present application comprises: an input module, configured t...
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WO/2022/137645A1 |
An autotuning controller is provided for improving power efficiency and linearity of digital power amplifiers (DPAs). The controller includes an interface including input and output terminals connected to the DPAs, the interface being co...
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WO/2022/138001A1 |
A high-frequency circuit (10) comprises: a distribution circuit (13) that distributes a high-frequency signal inputted to a terminal (310), and outputs resulting distributed high-frequency signals from terminals (320 and 330); a synthesi...
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WO/2022/139936A1 |
A power management apparatus operable with multiple configurations is disclosed. In embodiments disclosed herein, the power management apparatus can be configured to concurrently generate multiple modulated voltages based on a configurat...
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WO/2022/139083A1 |
The present invention provides an active current compensation apparatus for actively compensating for noise generated in a common mode in each of at least two large current paths, the apparatus comprising: a sensing unit for generating a...
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WO/2022/137970A1 |
This amplifier circuit (1) comprises: an input terminal (t1); an output terminal (t2); a transistor (Tr1) provided between the input terminal (t1) and the output terminal (t2); and a coil-shaped or meander-shaped inductor (L1). The trans...
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WO/2022/136017A1 |
There is provided a linearized multiplier configured to produce an output current representing a product of a first input voltage and a second input voltage, comprising: a first transconductance stage which is configured to input the fir...
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WO/2022/137891A1 |
A signal processing apparatus (100) according to an embodiment is provided with: a distortion compensating means (101) that performs a distortion compensating process for compensating for non-linear distortion with respect to at least on...
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WO/2022/137642A1 |
An auto-tuning controller for improving a performance of a power amplifier system is provided. The controller includes an interface including input terminals and output terminals, the interface being configured to acquire input signal co...
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WO/2022/137593A1 |
A signal processing device (100) according to an embodiment of the present invention is provided with: a distortion compensating means (101) for subjecting an input signal to distortion compensation processing to compensate for non-linea...
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WO/2022/140725A1 |
An apparatus is disclosed for waveform-tailored average power tracking. In an example aspect, the apparatus includes an amplifier, a power converter, and an average power tracking module. The amplifier is configured to amplify radio-freq...
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WO/2022/138284A1 |
This amplifier circuit (1) comprises: an amplifier (20) including a drain ground circuit or a collector ground circuit with variable mutual conductance; a power distributor (30) connected to the output side of the amplifier (20); and a s...
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WO/2022/130548A1 |
The present invention provides a power amplifier circuit that comprises: a first transistor 1 the source electrode of which is grounded; n second transistors 2 (n is a natural number greater than or equal to 1) connected in series betwee...
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WO/2022/127105A1 |
A power amplification device, a radio remote unit, and a base station. The power amplification device comprises: a primary power amplifier (110) configured to amplify a signal input in the primary power amplifier (110) to obtain a first ...
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WO/2022/131796A1 |
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). In the wirel...
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WO/2022/131753A1 |
The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). According to...
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WO/2022/133352A1 |
A broadband low noise amplifier (LNA) structure (10) includes a main LNA (12), an offset LNA (14), an input splitter (16), and an output combiner (18). The input splitter (16) is configured to split a radio frequency (RF) input signal in...
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