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WO/2022/118445A1 |
In the present invention, a passing phase of a path passing through a first input phase delay circuit (2), a carrier amplifier (4), and a second output phase delay circuit (7) and a passing phase of a path passing through a second input ...
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WO/2022/118645A1 |
Provided is an integrated circuit (70) comprising: a first base material (71), at least a portion of which is composed of a first semiconductor material, and on which is formed an electric circuit (for example, a control circuit (80) or ...
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WO/2022/118646A1 |
An integrated circuit (70) comprises: a first substrate (71) at least partially composed of a first semiconductor material and having an electric circuit (for example, a control circuit (80) or a switch circuit (51, 52)); a second substr...
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WO/2022/119626A1 |
A power management integrated circuit (PMIC) is disclosed. The PMIC is configured to generate multiple voltages during a voltage generation period(s). In embodiments disclosed herein, the voltage generation period(s) is divided into mult...
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WO/2022/116729A1 |
Disclosed in the present invention are a bandwidth adjustment circuit and a bandwidth adjustment method for an operational amplifier, the circuit comprising: a bias-current generation unit, which is connected to a bias-current input end ...
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WO/2022/117548A1 |
An audio processing device (1) for processing audio data comprises an audio input (10) configured to receive an audio signal, in particular an analog audio signal, and a differential amplifier (11). The differential amplifier (11) compri...
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WO/2022/115823A1 |
Apparatus and methods for frequency compensation of amplifiers are provided herein. In certain embodiments, an amplifier includes an input transistor (which can be part of a differential input pair) electrically connected to a first node...
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WO/2022/113476A1 |
The present invention achieves size reduction. This power amplification circuit (1) comprises a branching filter (14), a first amplifier (11), a second amplifier (12) and a third amplifier (13). The branching filter (14) branches an inpu...
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WO/2022/110620A1 |
A Doherty radio-frequency power amplifier module based on a new DreaMOS process, and an output matching network therefor. The output matching network comprises a main parasitic capacitor, an auxiliary parasitic capacitor and an inductor ...
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WO/2022/107375A1 |
A switching module comprising: a GaN-FET mounted on a substrate; a driver circuit connected to a gate electrode of the GaN-FET via a gate resistor; and a driver power supply for supplying a drive voltage to the driver circuit. The driver...
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WO/2022/108255A1 |
An electronic device may comprise: a first antenna; a second antenna; a first power amplifier electrically connected to the first antenna; a second power amplifier electrically connected to the second antenna; a first attenuator electric...
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WO/2022/105643A1 |
A sensor signal processing circuit, comprising an inverting amplifier and a transconductance amplifier, which are connected to an output end of a sensor circuit. By using a combined action of a time constant amplified by the inverting am...
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WO/2022/108463A1 |
Circuits and methods for using in parallel amplification and signal combining are described herein. A circuit uses a digitally controlled multistage cascade combiner, a digital phase and drive signal amplifier controller and a digital co...
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WO/2022/106805A1 |
Drive circuitry for driving a capacitive load, the circuitry comprising: an inductor; a first reservoir capacitor; a switch network; and control circuitry configured to control operation of the switch network to selectively couple the in...
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WO/2022/103493A1 |
A progressive envelope tracking (ET) with delay compensation includes an ET integrated circuit (IC) (ETIC) that is a progressive ETIC that switches between different driver amplifiers having different associated offset voltages based on ...
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WO/2022/103484A1 |
An envelope tracking (ET) integrated circuit (ETIC) operable across wide modulation bandwidth is disclosed. The ETIC includes at least two auxiliary voltage outputs coupled to a high-bandwidth power amplifier circuit that has a lower equ...
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WO/2022/103478A1 |
An equalizer circuit in an envelope tracking (ET) integrated circuit (ETIC) is disclosed. The ETIC (26) is configured to generate an ET voltage based on a target voltage (VTGT) for amplifying a radio frequency (RF) signal(s). Since the E...
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WO/2022/104333A1 |
A power amplifier is described herein. The power amplifier may include a driver amplifier, a primary amplifier, and a modular output filter. The modular output filter is configured to be replaceable and enables configuration of the power...
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WO/2022/103465A1 |
An envelope tracking (ET) radio frequency (RF) front-end circuit receives a single tracking signal (e.g., Vramp) from a baseband transceiver and generates a plurality of control signals (Vcc). The control signals are created by a multipl...
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WO/2022/103496A1 |
A power management circuit operable with multiple supply voltages is disclosed. In embodiments disclosed herein, the power management circuit includes a supply voltage circuit(s) capable of simultaneously generating multiple supply volta...
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WO/2022/103259A1 |
The present invention is related to a modular amplifier comprising; an amplifier housing, said housing provided with; an amplifier power input connection, at least one amplifier signal input connection for receiving at least one input si...
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WO/2022/095026A1 |
An amplifying circuit (20), which is applicable to scenarios in which gain temperature drift is compensated. The amplifying circuit (20) comprises a first transistor (201), a second transistor (202), and a variable capacitance unit (203)...
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WO/2022/097831A1 |
A device for wireless communication according to the present invention comprises: a transmission-side frequency selection input matching unit which matches an input impedance and filters an input signal according to a selected frequency;...
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WO/2022/098348A1 |
An amplifier system may include at least one alternating current (AC) input source, a first DC-DC converter configured to convert the AC voltage to a first rail voltage, a second DC-DC converter configured convert the AC voltage to a sec...
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WO/2022/099080A1 |
Systems, methods and apparatus for wireless charging are disclosed. A charging apparatus has an amplifier stage, a power switching stage and a controller. The amplifier stage has a choke that receives a current from an input of the ampli...
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WO/2022/091955A1 |
This power amplification circuit is provided with: a splitter which splits an input signal into a first signal and a second signal having a different phase to the first signal; a first amplifier which amplifies the first signal and outpu...
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WO/2022/089451A1 |
Provided are a phase compensation device and method. The phase compensation device can perform phase compensation on a baseband signal according to a digital ripple signal, so as to obtain a compensated baseband signal, and convert the c...
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WO/2022/093828A1 |
Methods and apparatus for implementing a power amplifier circuit assembly an uneven power splitter which feeds two power amplifiers of different amplifier classes are described. By supplying different amounts of power to different amplif...
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WO/2022/083098A1 |
A radio frequency power amplification module. The functional units of the radio frequency power amplification module are respectively arranged on a first circuit board and a second circuit board; the first circuit board comprises a first...
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WO/2022/083497A1 |
An envelope tracking power supply circuit and an electronic device, relating to the technical field of communication devices. The envelope tracking power supply circuit comprises a multi-power-supply-stage circuit (1), a linear amplifica...
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WO/2022/084260A1 |
Apparatus and methods for compensating supply sensitive circuits for supply voltage variation are provided. In certain embodiments, an electronic system includes a power supply that outputs a supply voltage having a nominal voltage level...
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WO/2022/083909A1 |
There is provided an amplifier device comprising a first directional coupler (12: 30, 32) and a second directional coupler (14: 30', 32') connected together so as to create separate upstream (16) and downstream (18) paths in which amplif...
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WO/2022/080393A1 |
The present invention provides a power amplifier circuit and a communication device which improve the power-handling properties required of a filter, while increasing output power. A power amplifier circuit 100 comprises: an amplifier pa...
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WO/2022/079536A1 |
Particular embodiments disclosed herein provide a surgical laser system comprising a laser source, a lens, a memory, and a processor in data communication with the memory and configured to execute instructions which cause the processor t...
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WO/2022/080603A1 |
The present invention relates to a 10W power amplifier for a Ka band. The power amplifier comprises: a drive amplifying unit; a mid-stage amplifying unit composed of two transistors; a final-stage amplifying unit composed of four transis...
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WO/2022/081313A1 |
An exemplary tunable circuit includes an inductor coupled to a node and a first capacitor coupled to the node. The tunable circuit also includes a variable capacitor coupled to the node, such that a total capacitance of the tunable circu...
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WO/2022/073599A1 |
A variable gain amplifier for amplifying an input voltage and providing an amplified output voltage, includes an input stage that includes two differential transistor pairs, the input stage being coupled to an input of the amplifier. The...
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WO/2022/076362A1 |
This application is directed to methods and devices for an efficient power amplification system. An electronic device (200) includes a first and a second power amplifier (210-1, 210-2) that are coupled to a quadrature combiner (220), a t...
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WO/2022/075315A1 |
An amplifier equipped with: an amplification circuit 10, the properties of which change according to thermal history; and a bias circuit 20 which is equipped with an element for undergoing a thermal history corresponding to the thermal h...
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WO/2022/070710A1 |
An analog voltage VFILA can be input into a volume setting pin FILA of an audio circuit 300. A power supply pin VCC accepts a power supply voltage VCC. A bias circuit 310 generates a first reference voltage VFIL corresponding to the anal...
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WO/2022/071000A1 |
This differential amplifier circuit comprises: an operational amplifier that amplifies the electric potential difference of the output ends of first and second input resistors; a feedback resistor connected to the output end of the first...
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WO/2022/072758A1 |
A distributed active, power combining amplifier including at least one main amplifier having a first main portion and a second main portion, at least one peaking amplifier having a first peaking portion and a second peaking portion, and ...
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WO/2022/069122A1 |
A circuit arrangement (10) is provided which comprises an array of stages (11) for photon counting current to voltage conversion. Each stage (11) comprises a tunable operational transconductance amplifier (12) and a feedback network (16)...
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WO/2022/070711A1 |
This class-D amplification circuit 200 receives an analog audio signal VIN that uses a first reference voltage VFIL as a center level, and outputs an output pulse signal SOUT that has a duty cycle corresponding to the analog audio signal...
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WO/2022/070384A1 |
A semiconductor device (100) according to the present disclosure comprises a semiconductor chip (130) in which are formed a protruding terminal (14) that electrically connects to a transistor (13) and that has a greater cross-sectional a...
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WO/2022/069456A1 |
In one embodiment a shaper circuit comprises a first amplifier (20) comprising an input (21) and an output (22), the input (21) being configured to receive an input signal (Iin), which comprises one or more current pulses, a feedback com...
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WO/2022/067205A1 |
A stacked amplifier circuit (600) includes an input stage (610) having first and second input ports respectively defined by inputs of first and second transistors. A transformer arrangement (630) includes first and second primary winding...
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WO/2022/065017A1 |
A high-frequency module (1A) comprises a module substrate (91) having a main surface (91a), a first circuit component and second circuit component positioned on the main surface (91a), and a metal shield plate (70) positioned on the main...
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WO/2022/067203A1 |
An amplifier circuit (200) including a first amplifier having a first amplifier input and a first amplifier output and a transformer (214) including a first transformer component (214A) having a first primary winding (212A) in series wit...
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WO/2022/065012A1 |
A high-frequency circuit (1) is provided with a power amplifier (11) for communication band A, and a power amplifier (12) for communication band B, wherein: transmission in communication band A, transmission in communication band B, and ...
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