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WO/2018/091229A1 |
The invention relates to an electrical circuit (1) for transmitting a useful analogue signal which has a signal transmission path (16) with an input path (2) and an output path (3) and one or more switches (4-6), with which switch or swi...
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WO/2018/093788A1 |
An example method for facilitating a high power efficient amplifier through digital pre-distortion (DPD) in cable network environments is provided and includes receiving a first signal and a second signal at a DPD coefficient finder in a...
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WO/2018/091237A1 |
Disclosed are a process and a system for ascertaining an operating point of a nonlinear power amplifier, wherein a signal amplified by the power amplifier is received, and a value of a measure of a deviation of the amplitude distribution...
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WO/2018/089547A1 |
Systems and methods according to one or more embodiments are provided for a current comparator with biasing circuitry to provide for low power consumption and high-speed performance. In one example, a system includes an input port to rec...
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WO/2018/089164A1 |
The present disclosure describes aspects of a fast settling peak detector. In some aspects, a peak detector circuit includes a first transistor having a gate coupled to an input of the circuit at which a signal is received and a drain co...
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WO/2018/084981A1 |
A circuit including: a power amplifier configured to provide amplified signals to a load; an impedance matching network disposed between the power amplifier and the load, the impedance matching network comprising an adjustable impedance ...
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WO/2018/082811A1 |
The invention relates to the use of a field effect transistor in an open gate FET circuit, wherein the measurement sensitivity is increased in measurements of the smallest signals. This is achieved in that the field effect transistor is ...
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WO/2018/084889A1 |
An apparatus for detecting difference in operating characteristics of a main circuit by using a replica circuit is presented. In one exemplary case, a sensed difference in operating characteristics of the two circuits is used to drive a ...
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WO/2018/085410A2 |
A method of increasing a multiplication ratio of a charge pump, the multiplication ratio defining a relationship between an output voltage of the charge pump and an input voltage of the charge pump, comprising: analyzing a first efficien...
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WO/2018/084986A1 |
A loop compensation circuit (500) includes a differential difference amplifier having a first transconductance stage (514) with a first input terminal and a second input terminal. The first input terminal is coupled to a voltage referenc...
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WO/2018/076766A1 |
Disclosed are a radio frequency power amplifier for inhibiting a harmonic wave and stray, a chip and a communication terminal. The radio frequency power amplifier comprises a power source (106, 107), an LDO circuit (103), a harmonic inhi...
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WO/2018/080732A1 |
An adaptive bias circuit (400) for a power amplifier (470) may include a terminal node (432) coupled to the power amplifier (470). The adaptive bias circuit (400) may also include a low impedance bias circuit (410) coupled to the termina...
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WO/2018/078240A1 |
The invention relates to a method for conditioning an input signal (E), comprising a step A) of determining a signal (SMF) conditioned by adding corrective signals to an intermediate signal (S), step A) being executed successively at lea...
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WO/2018/080713A1 |
A power amplifier bias circuit with embedded envelope detection includes a bias circuit stage coupled to an envelope detector circuit to increases a bias provided to a power amplifier as a function of an incoming envelope signal. The env...
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WO/2018/080711A1 |
A low noise amplifier (LNA) includes a transconductance device coupled to a cascode transistor. The LNA also includes a resistor capacitor (RC) feedback branch. The RC feedback branch includes a first resistor, a capacitor and a first sw...
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WO/2018/073768A1 |
An electronic driving circuit (20) for a microfluidic device (1), having a number of synchronized driving stages (22) to generate a respective driving signal (Vi,V2,V3) for each electrode or group of electrodes (4,6) of the microfluidic ...
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WO/2018/074410A1 |
A driver circuit 11 comprises a plurality of NMOS transistors in a cascode connection, wherein of the NMOS transistors, a bottom stage transistor TN1 positioned in the bottom stage has a gate terminal to which a modulation signal VGN1 is...
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WO/2018/074241A1 |
A wideband power amplifier (500) includes a set of amplifiers (503,504) connected in parallel to amplify signals from input ports of the amplifiers, a matching network (505,506) configured to match the signals amplified by the amplifiers...
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WO/2018/075599A1 |
An amplifier assembly (100) includes an amplifier (102) having an input terminal, an output terminal and a feedback terminal; a first feedback path connecting the output terminal to the feedback terminal; a second feedback path connectin...
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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...
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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),...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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....
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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...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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