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WO/2022/203554A1 |
Method for supporting suppression of distortion caused by a power amplifier, "PA", (423) comprised in a transmitter system (401) configured to perform digital predistortion, "DPD", and feedforward, "FF", linearization on multiple digital...
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WO/2022/203860A1 |
A wideband amplifier includes a first stage and a second stage. The first stage includes a transconductance transistor driven by an input signal through an input transformer. The transconductance transistor couples to a cascode transisto...
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WO/2022/201670A1 |
This digital-to-analog conversion circuit, which suppresses output distortion, comprises: a plurality of current source circuits which each include a first current generation circuit and a first transistor that controls a first current t...
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WO/2022/203802A1 |
Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may support multi-subscriber identity module (SIM) operation in dual SIM dual active (DSD A) deployments. In some aspects, th...
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WO/2022/200794A1 |
There is provided an audio interface system (70A, 70B) configured to receive an audio signal (100) from an audio line and output a normalised audio signal. The audio interface system comprises an audio interface device (10, 20). The audi...
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WO/2022/204646A1 |
Certain aspects of the present disclosure provide an amplifier. The amplifier generally includes an amplifier core circuit configured to amplify a radio frequency signal and having a first output and a second output; a transformer couple...
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WO/2022/203895A1 |
Methods and devices for reducing gate node instability of a differential cascode amplifier are presented. Ground return loops, and therefore corresponding parasitic inductances, are eliminated by using voltage symmetry at nodes of two ca...
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WO/2022/196443A1 |
The present invention reduces in electromagnetic radiation of a class-D amplifier. A class-D amplifier 100 has, mounted on one printed board 300 thereof, an input amplification circuit 10, a modulation circuit 20, an output amplificati...
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WO/2022/198184A1 |
The operational amplifier disclosed includes an input stage configured to receive power from a floating supply in a low voltage range that can float according to the common mode voltage at the input. The floating supply facilitates the u...
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WO/2022/195437A1 |
The present invention relates to a baseband and RF bias circuit (6) for an RF power amplifier, said bias circuit (6) having an input (7) configured to be connected to a DC power supply and an output (8) configured to be connected to a te...
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WO/2022/195123A1 |
The invention relates to a copper-silver-gold alloy for an electric, electronic and/or electrotechnical component and/or for a device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or tr...
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WO/2022/195122A1 |
The invention relates to a silver-copper-gold alloy for an electrical, electronic and/or electrical engineering component and/or an apparatus for sound reproduction and/or recording and/or for sound signal processing, emission, reception...
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WO/2022/198022A1 |
The present disclosure describes an amplification stage (12) which includes a top amplification structure (16) having a top collector and a bottom amplification structure (18) having a bottom collector. The top amplification structure (1...
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WO/2022/195995A1 |
An operational amplifier (12) outputs a signal obtained by integrating sums of first audio signals inputted to an inverted input terminal and feedback signals outputted from a power amplification unit (14). A pulse width modulation unit ...
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WO/2022/197334A1 |
A Doherty amplifier system (10) is disclosed having a carrier amplifier (12) with a carrier drain bias input (14), and a peak amplifier (24) having a peak drain bias input (26), and a peak gate bias input (28). Also included is a program...
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WO/2022/196920A1 |
A power amplifier, according to various embodiments, comprises: a transistor set to be turned on or off on the basis of an input signal; a first filter circuit connected between a ground and an output terminal of the transistor; and a se...
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WO/2022/192786A1 |
A controller (102) includes: a pulse-width modulation (PWM) circuit (104); a control loop (110); and a reference voltage controller (120). The control loop (110) has: a feedback input (111) adapted to be coupled to an output voltage (VOU...
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WO/2022/191536A1 |
Disclosed is an electronic device comprising: a power supplier; an amplifier for receiving voltage from the power supplier through a first signal path, and outputting an amplified output signal for an input signal; and a coupler for acqu...
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WO/2022/186073A1 |
The present invention is provided with a baseband amplifier 100 having an input side differential line and an output side differential line, the baseband amplifier 100 being electrically connected between the two lines, and a peaking amp...
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WO/2022/186267A1 |
The present invention facilitates the shortening of the length of the wiring between a power amplifier and an output terminal to be connected to the power amplifier. A tracker module (1) comprises: a substrate (2), a tracker component (3...
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WO/2022/185093A1 |
Systems and methods for separate digital predistortion (S-DPD) for multi-band radios are disclosed. In one embodiment, a method of operation of a digital predistortion (DPD) actuator system for a radio node for a wireless network compris...
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WO/2022/185505A1 |
Provided is a distortion compensation circuit capable of suppressing divergence in an operation performed by means of an iterative operation in iterative learning control processing. A learning device (12) for a distortion compensation...
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WO/2022/185459A1 |
A power amplifier according to this disclosure includes: a main transistor that amplifies an input signal input from a gate terminal, outputs the amplified input signal from a drain terminal, and has a drain current delay characteristic ...
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WO/2022/185029A1 |
An amplifier circuitry (300) includes a linear amplifier stage (110) that receives an input signal and outputs a first drive signal to an output node (302) and a switching amplifier stage (130) operable to output a second drive signal to...
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WO/2022/180351A1 |
Class D amplifier circuitry comprising: modulator circuitry; and output stage circuitry, wherein the modulator circuitry is configured to: receive an input signal and first and second carrier signals, wherein the second carrier signal is...
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WO/2022/182045A1 |
In a communication circuit and an electronic device comprising the communication circuit according to various embodiments, the communication circuit comprises: an amplifier module including a first amplifier and a second amplifier for am...
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WO/2022/180762A1 |
A differential amplification device is configured to include: a first transistor (1-1) that has a first terminal (1-1a) and a second terminal (1-1b), amplifies a first signal provided to the first terminal (1-a), and outputs the amplifie...
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WO/2022/180373A1 |
This application relates to current sensing, in particular for a signal processing circuit (500) for outputting an output signal (Sout) based on an input signal (Sin). An output stage (101) includes an output transistor (102) driven, in ...
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WO/2022/180658A1 |
A power amplifier according to this disclosure comprises multiple amplifying elements, a tournament circuit that is connected to the multiple amplifying elements and includes multiple transmission lines in a tournament format, and multip...
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WO/2022/177482A1 |
Method and device(s) (100; 110; 2000) for supporting performance of machine learning based DFR and DPD on multiple digital input signals (x1..xB; c1..cB) relating to different frequency bands (B), respectively, in order to signal conditi...
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WO/2022/176139A1 |
A distortion compensation device (1) is configured so as to comprise: a weighting unit (11) that divides a to-be-amplified transmission signal into multiple transmission signals, and weights each of the transmission signals, after divisi...
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WO/2022/174631A1 |
The present application provides a multi-frequency low noise amplifier, comprising: an input matching network, an amplifier tube and an output matching network; the input matching network comprises a first out-of-band suppression circuit...
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WO/2022/176067A1 |
A wireless communication circuit (1) comprises an antenna (10), a transmission circuit (2) including an output amplifier (4) that outputs a transmission signal (STx) to the antenna (10), a reception circuit (6) including an LNA (8) to wh...
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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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