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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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WO/2022/132536A1 |
Apparatuses and methods for saving power at an input buffer are described. An example apparatus includes an input buffer comprising an amplifier coupled to a pair of serially coupled inverters, and a de-emphasis circuit coupled to the in...
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WO/2022/130566A1 |
According to the present invention, a unit amplifier (AMP) has first and second transistors (Qi, Qo) cascade-connected and a first variable resistance circuit (Rm), the first transistor (Qi) has a base terminal or a gate terminal connect...
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WO/2022/132295A1 |
A signal processing apparatus and related transceiver circuit are disclosed. The signal processing apparatus includes a power amplifier circuit and a transceiver circuit. The transceiver circuit is configured to generate multiple composi...
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WO/2022/127821A1 |
Disclosed are a radiofrequency power amplifier and a coupling circuit for increasing a video bandwidth, applicable in the technical field of radiofrequency power amplifiers. The radiofrequency power amplifier comprises: a transistor, an ...
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WO/2022/122115A1 |
The present disclosure relates to an amplifier arrangement (1, 100, 200) comprising a first amplifier device (2, 102, 202) and a second amplifier device (3, 103, 203) where each amplifier device (2, 3; 102, 103; 202, 203) is connected to...
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WO/2022/124220A1 |
This amplification circuit comprises: an operational amplifier which amplifies an input signal input to the non-inverting input terminal; first and second feedback units which feed an output signal output from the operational amplifier b...
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WO/2022/121362A1 |
A cascode structure, an output structure, an amplifier and a driving circuit. The bias voltage of a common-gate structure in the cascode structure is provided by itself; the bias voltages of transistors in the output structure are all pr...
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WO/2022/121526A1 |
The present disclosure relates to the technical field of electronic circuits, and provides an operational amplifier, comprising: a load input pair; a differential input pair connected to the load input pair, a non-inverting input termina...
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WO/2022/122909A1 |
Devices and/or computer-implemented methods to facilitate a Josephson traveling wave parametric amplifier (JTWPA) device with sideband suppression are provided. According to an embodiment, a device can comprise a plurality of unit cells ...
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WO/2022/124920A1 |
The present disclosure relates to a method for In-phase and Quadrature (l/Q) imbalance estimation and a corresponding communication apparatus. The method involves using an adaptive filter in a loopback architecture of the communication a...
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WO/2022/116741A1 |
An inter-stage matching circuit and a push-pull power amplifier circuit. The push-pull power amplifier circuit comprises a pre-stage push-pull amplifier circuit (40) and a post-stage push-pull amplifier circuit (50). The inter-stage matc...
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WO/2022/119667A1 |
An offset compensated differential amplifier employing a multi-tanh circuit comprising differential pairs coupled in parallel to compensate for an offset voltage of the output voltage in the offset compensation calibration mode is disclo...
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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/2022/116579A1 |
Disclosed is a power amplifier calibration method, the method comprising: defining two working modes according to different output voltage ranges; in a first working mode, maintaining a power supply voltage unchanged, and building a firs...
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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/2022/115823A1 |
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/2022/112785A1 |
A low dropout regulator comprising: a supply voltage connection for receiving a supply voltage; a load voltage output connection for providing a load voltage to a load; load voltage output control circuitry comprising a pass transistor c...
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WO/2022/111673A1 |
Disclosed in the present application are an adaptive temperature compensation circuit and a bias circuit. According to the adaptive temperature compensation circuit, in a first temperature interval, a first error current is output to a c...
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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/2022/111566A1 |
Disclosed are a radio-frequency unit, an antenna, and a signal processing method, wherein same are used for: receiving an uplink signal within a downlink time slot, the uplink signal comprising signals of N frequency bands; performing fi...
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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/2022/103493A1 |
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/2022/103732A1 |
A radio frequency (RF) transistor amplifier includes a package submount, a package frame comprising an electrically insulating member and one or more conductive layers on the package submount and exposing a surface thereof, a transistor ...
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WO/2022/099908A1 |
Disclosed is a high-performance millimeter-wave low-noise composite amplifier, which relates to a communication technology device. The present solution is proposed for solving problems in the existing technology, such as large off-chip i...
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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/2022/095580A1 |
Disclosed are a power supply circuit, a power supply method, an audio power amplifier and an integrated circuit. The power supply circuit applied to an audio power amplifier may comprise: a measurement sub-circuit, which is used for meas...
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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/2022/097841A1 |
A method and an apparatus for transmission and power allocation in a multi-user downlink system that compensates for distortion of a nonlinear power amplifier are provided. A transmitting apparatus in a multi-user downlink system to whic...
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WO/2022/097180A1 |
A sound reproducing device (1) is described, comprising at least a first resonance element (3) operatively connected to at least one second resonance element (5) by at least one covering element (9), the second resonance element (5) bein...
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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/2022/088524A1 |
Disclosed in the present invention are an over-temperature power automatic adjustment method and apparatus, and a storage medium. The method comprises: obtaining a switching parameter of an over-temperature power automatic adjustment fun...
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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/2022/089393A1 |
Disclosed are a radio frequency differential amplification circuit and a radio frequency module. The radio frequency differential amplification circuit is characterized by comprising an input balun, an output balun, a first differential ...
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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/2022/077956A1 |
Provided in embodiments of the present application are a power control apparatus for improving a harmonic wave, and a power amplifier and a device. The power control apparatus comprises a voltage conversion circuit and a power control ci...
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WO/2022/077758A1 |
A gate-source voltage disturbance rejection circuit based on a transconductance gain negative feedback mechanism, used for driving a driven power MOSFET (Q1). The driven power MOSFET (Q1) performs a switching operation by means of a driv...
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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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