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Matches 1 - 50 out of 35,705

Document Document Title
WO/2018/071634A1
Circuits for protecting devices, such as gallium nitride (GaN) devices, and operating methods thereof are described. Such circuits may include a temperature sensor (104) configured to sense the temperature of at least a portion of a devi...  
WO/2018/068871A1
A power amplifier (20) for a transmitter circuit (10) is disclosed. The power amplifier (20) comprises at least one field-effect transistor (100, 100n, 100p) having a gate terminal (110, 110n, 110p) and a bulk terminal (120, 120n, 120p),...  
WO/2018/071819A1
A system may include a charge pump configured to operate in a plurality of modes including a first mode in which the ratio of an output voltage to an input voltage of the charge pump is a first ratio and a second mode in which the ratio ...  
WO/2018/067749A1
A circuit may include amplifier circuitry configured to receive a current signal at an amplifier input node, convert the current signal to a voltage signal, and output the voltage signal at an amplifier output node. The circuit may also ...  
WO/2018/066215A1
The present invention reduces, by means of a simple configuration, noise induced by switching in a circuit for amplifying a pulse signal by a switching amplifier. A control data output unit outputs control data that instructs pulse width...  
WO/2018/063982A1
An amplifier system (10) having: an amplifier (FET) having a linear operating region where an output signal produced by the amplifier (FET) at the output terminal (18) has a power level increasing proportionally with the increasing input...  
WO/2018/063878A1
An amplifier may include a first stage configured to receive an input signal at an amplifier input and generate an intermediate signal which is a function of the input signal, and a final output stage configured to generate an output sig...  
WO/2018/063685A1
Embodiments are generally directed to a transformer based on-package power combiner. An embodiment of a power combiner includes multiple primary coils on a first metal layer of a package; a secondary coil on a second metal layer of the p...  
WO/2018/057215A1
A system and method for calibrating digital pre-distortion in a wireless device (400). A pre-distortion circuit (410) may output a first training signal while a power amplifier (420) of the wireless device (400) is on, to generate a firs...  
WO/2018/057096A1
A receiver front end capable of receiving and processing intraband non-contiguous carrier aggregate (CA) signals using multiple low noise amplifiers (LNAs) is disclosed herein. A cascode having a common source input stage and a common ga...  
WO/2018/054151A1
A low-noise amplifier circuit, comprising cascaded multiple stages of low-noise amplifiers (M1, M2, …, Mn), and a first biasing unit (110) or a second biasing unit (120) which is used for biasing each stage of the low-noise amplifiers ...  
WO/2018/057179A1
The present disclosure describes a synchronized switching power supply circuit (300) for a radio frequency (RF) power amplifier comprising a first switch (322) connected to a first terminal of an inductor (328) that is connected to an ou...  
WO/2018/057123A1
A method for impedance matching includes generating a predistorted signal using a predistor- tion model and a transmit signal. The method further includes calculating a quality criterion for a transmitted predistorted signal based on a t...  
WO/2018/052460A1
A transistor stack can include a combination of floating and body tied devices. Improved performance of the RF amplifier can be obtained by using a single body tied device as the input transistor of the stack, or as the output transistor...  
WO/2018/052955A1
An apparatus comprises a digital to analog converter (DAC) circuit configured to receive a time-varying a digital input signal and convert the digital input signal to an analog output signal, an output amplifier circuit operatively coupl...  
WO/2018/052539A1
Bias circuits and methods for silicon-based amplifier architectures that are tolerant of supply and bias voltage variations, bias current variations, and transistor stack height, and compensate for poor output resistance characteristics....  
WO/2018/052817A1
Various methods and circuital arrangements for biasing one or more gates of stacked transistors of an amplifier are possible where the amplifier is configured to operate in at least an active mode and a standby mode. Circuital arrangemen...  
WO/2018/044717A1
A transistor circuit includes a transistor having a gate terminal and first and second conduction terminals, a first circuit configured to convert an AC input signal of the transistor circuit to a gate bias voltage and to apply the gate ...  
WO/2018/044793A1
Low-noise amplifier having programmable-phase gain stage. In some embodiments, a radio-frequency amplifier can include an input node, an output node, and a programmable-phase gain stage implemented between the input node and the output n...  
WO/2018/044472A1
A power amplifier circuit, including: an input node configured to receive a radio frequency (RF) signal; an output node configured to output an amplified RF signal; a main path switchably coupled between the input node and the output nod...  
WO/2018/045096A1
Disclosed herein are signal amplifiers that have an input impedance that varies over different bias currents. The signal amplifier includes a gain stage with a plurality of switchable amplification branches that are each capable of being...  
WO/2018/040521A1
Provided is a low-noise amplifying circuit and a receiver, relating to the field of communications, able to filter an out-of-band block signal and prevent the out-of-band block signal from entering the receiver, thereby reducing the risk...  
WO/2018/036974A1
The present invention relates to an amplifying device (10) for amplifying an input signal, comprising: - a first amplification stage (12), - a second amplification stage (14), each amplification stage (12, 14) comprising: · a switching ...  
WO/2018/036212A1
A precision measurement circuit (1) for micro signals, comprising a first biosensor (2), a second biosensor (3), a third biosensor (4), a fourth biosensor (5), a first differential amplifier (11), a second differential amplifier (12), a ...  
WO/2018/038606A1
The present invention is related to a packaged radiofrequency (RF) power amplifier. The invention further relates to a cellular base station for mobile telecommunications comprising a packaged RF power amplifier. The packaged RF power am...  
WO/2018/036287A1
A power amplifier, comprising two Doherty power amplifier modules and a combiner module. The two Doherty power amplifier modules are separately connected to an input end of the power amplifier, and the combiner module is connected betwee...  
WO/2018/036143A1
An advanced servo bias method of an A-class audio power amplifier and an amplifier. The advanced servo bias method relates to delaying a selected audio signal to be amplified and using an analog audio signal corresponding to the delayed ...  
WO/2018/036627A1
An integrated amplifier (100) is described comprising an input (102) configured to receive an input signal (Sin), an output (104) configured to output an output signal (Sout), an amplifying circuit (106), and a cancellation circuit (1 14...  
WO/2018/036210A1
An apparatus (1) and a method for precision measurement of micro signals from biosensors. The apparatus (1) for precision measurement of micro signals comprises a first differential amplifier (11), a second differential amplifier (12), a...  
WO/2018/032821A1
Disclosed in the present application is a matching circuit connected between an amplifier and an input circuit. The matching circuit comprises a real part equalizing module, an imaginary part eliminating module, and a real part matching ...  
WO/2018/033743A1
An amplifier, comprising: an amplifying element having an input side and an output side; a first transformer on the output side of the amplifying element arranged to mutually couple a fraction of the output current from the amplifying el...  
WO/2018/033711A1
A transmitter for transmitting a signal is provided, in which the transmitter comprises a power amplifier (54) and a driver amplifier (59), an output of the driver amplifier (54) being connected to an input of the power amplifier 854) vi...  
WO/2018/031144A1
Certain aspects of the present disclosure provide a switch architecture for switching between a low power amplifier and a high power amplifier. One example amplification system includes a high power amplifier and a low power amplifier. T...  
WO/2018/031194A1
A circuit includes an active balun having an RF signal input and having differential signal outputs, the active balun including a first pair of transistors coupled to the RF signal input, the first pair of transistors including a first t...  
WO/2018/031347A1
A circuit including a radio frequency (RF) amplifier including a transistor configured to receive an RF signal at its control terminal, a capacitor coupled to a first terminal of the transistor, an inductor coupled to a second terminal o...  
WO/2018/031198A1
A multi-stage low-noise amplifier (LNA) device with a band pass response includes a first LNA in series with a second LNA. The device further includes multiple outputs coupled to the second LNA. Each of the outputs is capable of being ac...  
WO/2018/026479A1
A selectable current limiter circuit. An apparatus and method of limiting the current of amplifiers.  
WO/2018/022276A1
Certain aspects of the present disclosure provide methods and apparatus for generating an envelope tracking power supply voltage. For example, certain aspects of the present disclosure provide an envelope tracking power supply having a l...  
WO/2018/019377A1
The present invention provides a compensator device (100) for biasing a gate of a MMIC HEMT amplifier 602, the compensator device (100) comprising two resistors R1, R2, and at least two HEMTs Q1, Q2,... QN connected in series with and be...  
WO/2018/020499A1
Power amplification units and methods are provided, which use a combiner and an auxiliary signal to feed the power amplifier (PA) with a signal that prevents or reduces operation of higher amplification stages during off periods of the r...  
WO/2018/022140A1
Systems and method for improving operation of a radio frequency system are provided. One embodiment provides a radio frequency system that includes an amplifier device with a first data path and a second data path. Additionally, the radi...  
WO/2018/022285A1
Certain aspects of the present disclosure provide methods and apparatus for adjusting voltage regulators of a power supply, such as an envelope tracking power supply. Certain aspects provide a power supply. The power supply may include a...  
WO/2018/022231A1
Certain aspects of the present disclosure provide methods and apparatus for implementing an amplification system. The amplification system includes an amplifier comprising differential inputs and an output. The differential inputs includ...  
WO/2018/022278A1
Certain aspects of the present disclosure provide methods and apparatus for operating an envelope tracking power supply. The method may include receiving, from a modem of a device, information indicative of a transmit waveform statistic ...  
WO/2018/018028A1
A power converting system that includes: a rectifier configured to convert an input voltage into a output voltage and including an output node that is coupled to floating ground; a radio frequency (RF) power amplifier coupled to the rect...  
WO/2018/017694A1
Certain aspects of the present disclosure relate to methods and apparatus for power amplifier control. A power amplifier network includes a first path comprising a first power amplifier. The power amplifier network further includes a sec...  
WO/2018/013022A1
An amplifier circuit (200) for compensating an output signal (231) provided at an output (206) of the amplifier circuit (200) comprises a cascade of sub-amplifiers (2021-n). Each sub-amplifier of the cascade contributes to a respective p...  
WO/2018/013206A1
A receiver front end capable of receiving and processing intraband non-contiguous carrier aggregate (CA) signals using multiple low noise amplifiers (LNAs) is disclosed herein. A cascode having a "common source" configured input FET and ...  
WO/2018/006423A1
Provided is a digital pre-distortion processing device. The device comprises an analogue-to-digital conversion unit and n digital pre-distortion elements. The analogue-to-digital conversion unit is connected to the n digital pre-distorti...  
WO/2018/007752A1
The invention relates to a system for monitoring the peak power of a telecommunication signal to be transmitted for an RF power amplification (1) of said telecommunication signal to be transmitted, comprising a digital processing device ...  

Matches 1 - 50 out of 35,705