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WO/2020/127825A1 |
A radio-frequency (RF) amplifier device (3) comprises a signal input (14) for receiving an RF electrical signal, a variable-gain amplifier (17a) for amplifying the received signal, and a signal output (7) for outputting the amplified sig...
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WO/2020/126054A1 |
A power amplifier circuit (1) is disclosed. The power amplifier circuit has a first mode and a second mode. The power amplifier circuit (1) comprises a power amplifier (2) connected to a first voltage supply rail (3) and to a second volt...
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WO/2020/131428A1 |
System and method (400) for power amplifiers (216), wherein the method (400) includes determining a composite RMS power and peak power for a carrier configuration of an RF transmitter (100), determining a number of active banks of power ...
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WO/2020/131430A1 |
Apparatus and method (400) for selective linearization of scalable fault tolerant frequency agile transmitters. In one embodiment, the method (400) includes receiving timestamped carrier configurations and segmenting the timestamped carr...
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WO/2020/125964A1 |
A base station (400) for a wireless communication network is disclosed. The base station (400) comprises: a central unit (410); and a remote radio unit, RRU, (420) comprising one or more antennas (423a, 423c). The RRU (420) is coupled to...
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WO/2020/131228A1 |
Facilitating the reduction and/or mitigation of spatial emissions in a multi antenna wireless communications system is provided herein. A system can comprise a memory that stores executable instmctions that, when executed by a processor,...
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WO/2020/123820A1 |
An RF receiver circuit configuration and design limited by conditions and frequencies to simultaneously provide steady state low-noise signal amplification, frequency down-conversion and image signal rejection. The invention provides com...
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WO/2020/122596A1 |
An electronic device is provided. The electronic device includes an antenna, an amplification circuit configured to amplify a signal to be transmitted through the antenna, a first sensing circuit configured to sense first information cor...
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WO/2020/114731A1 |
The invention relates to a high-frequency power transistor (1) comprising a transistor (2), at least one capacitor (3) and a housing, which at least partially surrounds the transistor (2) and the capacitor (3). A first connection (4) for...
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WO/2020/113865A1 |
A matching circuit capable of switching load lines, a load line switching method, and a power amplifier. The matching circuit performs matching with respect to an output impedance of the power amplifier amplifying an input signal and out...
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WO/2020/112283A1 |
An integrated circuit is disclosed for gain-dependent impedance matching and linearity. The integrated circuit includes at least two amplifier branches, an input inductor, and at least two degeneration inductors. Each amplifier branch in...
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WO/2020/109924A1 |
A charge preamplifier device (100) integrated in a chip (200) of semiconductive material comprising: an input (IN) for an input signal (iiN) and an output (OUT) for an output signal (VOUT); a substrate (202) of semiconductive material do...
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WO/2020/108176A1 |
Provided is an ultra-wideband low-noise amplifier, comprising a first bipolar transistor Q1, a second bipolar transistor Q2, a third bipolar transistor Q3, and a fourth bipolar transistor Q4. A second inductor L2 and a second resistor R2...
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WO/2020/107390A1 |
Provided is a power amplifier circuit capable of enhancing efficiency of a power amplifier. The circuit comprises: a first branch comprising a first amplifier and a first matching network connected in cascade; a second branch comprising ...
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WO/2020/108175A1 |
Disclosed is an ultra-low-noise amplifier, comprising a first-level amplification unit, a second-level amplification unit and a third-level amplification unit, which are in cascade connection, wherein an input end of the first-level ampl...
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WO/2020/110252A1 |
A bias current supply (30) connects a gate terminal of a second source ground transistor (3) to a drain terminal of a first source ground transistor (1), the bias current supply (30) outputting a bias current so that the mutual conductan...
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WO/2020/109873A1 |
A transistor package for a power amplifier is provided. The transistor package includes a plurality of radio frequency, RF, paths that includes a first RF path and second RF path. Each RF path includes a transistor-carrying die and at le...
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WO/2020/102923A1 |
A low noise amplifier circuit with interference suppression, comprising a low noise amplifier circuit and a degenerate network with interference suppression. The low noise amplifier circuit comprises a common-source amplifier. The degene...
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WO/2020/072167A9 |
A low noise amplifier includes at least two variable gain amplifier stages, each variable gain amplifier configured to accept an input signal and to provide a load driving signal; a tunable bandpass filter connected as a load to each var...
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WO/2020/104515A1 |
A description is given of a transimpedance amplifier that has a voltage-controlled operational amplifier that has a grounded non-inverting input, an inverting input that receives a current signal to be amplified, an output that is couple...
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WO/2020/103725A1 |
Disclosed are a differential input circuit, an amplification circuit, and a display apparatus. The differential input circuit comprises: a first power supply module (110), a second power supply module (120), a first shunting module (130)...
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WO/2020/106537A1 |
A semiconductor device includes a plurality of unit cell transistors on a common semiconductor structure, the unit cell transistors electrically connected in parallel, and each unit cell transistor including a respective gate finger. Res...
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WO/2020/103779A1 |
Provided are a power amplification circuit for a sub-array beam forming system, and a sub-array beam forming system. The sub-array beam forming system of the present application comprises multiple transmission channels, wherein each tran...
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WO/2020/098916A1 |
Systems and methods for linearizing a radio system are disclosed. In some embodiments, a radio system comprises an antenna array, transmit branches comprising respective power amplifiers, a predistortion subsystem comprising predistorter...
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WO/2020/102641A1 |
The operative bandwidth of a broadband RF amplifier (M1) is improved by using a low-pass type broadband impedance transformer (LPMN), instead of a broadband matching network, in a multi-stage impedance matching network connected, e.g., t...
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WO/2020/094588A1 |
Techniques are provided to more accurately determine reflected power, reflection coefficient, and/or voltage standing wave to permit prompt protection of components such as power amplifiers and notify communication system operators. This...
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WO/2020/096140A1 |
The present invention relates to an internal matching type high power amplifier, comprising: a heat sink in which a transistor and a plurality of matching circuits connected by wire bonding to form a package are bonded in parallel; an up...
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WO/2020/095097A1 |
A Second-Generation Current Conveyor (CCII) has a three-port network with ports designated as X, Y, and Z, wherein the CCII includes a tunable feedback network. The tunable feedback network may be provided between at least two of the por...
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WO/2020/097419A1 |
A variable-current trans-impedance amplifier (TIA) for an ultrasound device is described. The TIA may be coupled to an ultrasonic transducer to amplify an output signal of the ultrasonic transducer representing an ultrasound signal recei...
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WO/2020/090466A1 |
This linear amplifier is provided with: a pre-amplifier 1 that amplifies an inputted differential signal; a post-amplifier 2 that amplifies an output signal from the pre-amplifier 1; an amplitude detector 3 that detects the amplitude of ...
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WO/2020/089405A1 |
A balanced amplifier system (1) having input and output quadrature couplers (2, 3) or equivalents thereof and two amplifiers (4, 5) there between. An RF signal is presented to a first input of an input quadrature coupler (2) such that an...
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WO/2020/090519A1 |
On different wiring layers S1 and S2 of a substrate 1, a negative feedback inductor Lc and a gate inductor Lb are formed so as to at least partially overlap with each other in a plan view. When the wiring layer S1 which is a lower layer ...
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WO/2020/086205A1 |
Devices and methods for dynamically controlling sensitivity associated with detecting R-waves while maintaining the fixed detection threshold are described herein. One such method includes sensing an analog signal indicative of cardiac e...
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WO/2020/082170A1 |
A hybrid power backup system having at least one battery for powering at least one external load; at least one capacitor for powering a controller configured to control power provided from the battery to the at least one external load an...
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WO/2020/083648A1 |
An output driver (1) comprises a driver transistor (MP0) having a gate node (GMP0) to apply a gate control voltage (GCV) and a gate control circuit (30) to control the gate node (GMP0) of the driver transistor (MP0). The output driver (1...
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WO/2020/085887A1 |
Various embodiments disclose a method and a device including: an antenna, a switching regulator, communication chip including an amplifier and a linear regulator operably connected to the amplifier and the switching regulator, the commun...
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WO/2020/081626A1 |
A transistor device includes a transistor cell comprising a channel region, a gate runner that is electrically connected to a gate electrode on the channel region and physically separated from the gate electrode, and a harmonic terminati...
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WO/2020/080332A1 |
Provided is a power amplifier circuit in which the operation speed of an overcurrent or overvoltage protection function is improved. The power amplifier circuit comprises: an amplifier which amplifies a radio frequency signal and outputs...
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WO/2020/081887A1 |
A pre-distorter that both accurately compensates for the non-linearities of a radio frequency transmit chain, and that imposes as few computation requirements in terms of arithmetic operations, uses a diverse set of real-valued signals t...
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WO/2020/074428A1 |
The invention relates to a multi-channel transmission system which includes a calibration functionality that enables accurate calibration of the frequency conversion channels and of the multi-port amplifier of the system without service ...
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WO/2020/072898A1 |
Apparatus and methods for a low-load-modulation power amplifier (500) are described. Low-load-modulation power amplifiers can include multiple amplifiers connected in parallel to amplify a signal that has been divided into parallel circu...
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WO/2020/068414A1 |
A crest factor reduction (CFR) system includes a digital tilt filter coupled to an input of the CFR system. In some embodiments, the digital tilt filter is configured to receive a system input signal and generate a digital tilt filter ou...
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WO/2020/064658A1 |
A method (600) comprises: measuring (660) reflected and forward power at a power amplifier output; determining (664) if the reflected power equals to or exceeds a first level; if the reflected power is equal to or exceeds the first level...
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WO/2020/069191A1 |
Embodiments provide an audio amplifier circuit with integrated (built-in) filter (e.g., a digital-to-analog converter (DAC) filter). The audio amplifier circuit may have a non-flat (e.g., low-pass) closed loop frequency response. The aud...
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WO/2020/060851A1 |
An amplifier circuit (400) includes a driver amplifier (414) implemented on a silicon-on-insulator (SOI) substrate and configured to amplify a radio frequency (RF) signal, a bypass circuit (418) implemented on the SOI substrate and confi...
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WO/2020/055888A1 |
Methods and systems are described that include a differential amplifier driving an active load circuit, the active load circuit having a pair of load transistors and a high-frequency gain stage providing high frequency peaking for the ac...
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WO/2020/052957A1 |
A modulating amplifying arrangement for amplifying an input signal that accounts for noise introduced by the modulating operation. An input signal is modulated, to obtain a modulated signal, and subsequently amplified to obtain an amplif...
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WO/2020/055539A1 |
Described are concepts, systems, circuits and techniques directed toward methods and apparatus for generating one or more pulse width modulated (PWM) waveforms with the ability to dynamically control pulse width and phase with respect to...
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WO/2020/049057A1 |
The class-A output stage (8) comprises, between two supply rails (14, 15): - an amplification stage (16) comprising two MOS power transistors (17, 18) of the same polarities connected together in series between a first supply voltage (15...
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WO/2020/048893A1 |
An amplifier or amplifying arrangement for amplifying an input signal that employs a modulating arrangement. The modulating arrangement generates a modulated signal that alternates between a reference voltage level and a voltage level of...
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