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WO/2019/077890A1 |
The purpose of the present invention is to enable an oscillator circuit using a comparator to control charging/discharging of a mirror capacitance between the gate and the drain of a MOSFET serving as an internal amplifier of a gain unit...
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WO/2019/075699A1 |
Provided are a signal conversion circuit, a heart rate sensor, and an electronic device. The signal conversion circuit comprises: a photoelectric conversion circuit for converting an optical signal into a current signal, wherein the curr...
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WO/2019/073883A1 |
A pixel circuit 21 according to the present invention is provided with a differential amplifier 51, an NMOS transistor 56 and an NMOS transistor 57. The differential amplifier 51 comprises a non-inverting input terminal 61, an inverting ...
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WO/2019/073534A1 |
An operational amplifier circuit (1) relating to one aspect of the present invention is provided with: a first fully differential amplifier (11) and a second fully differential amplifier (12); and a first phase compensation resistor (13)...
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WO/2019/072400A1 |
The invention relates to a power amplifier (100). In particular the invention relates to devices system and arrangements related to a power amplifier operating as a 3-way Doherty amplifier and for driving thereof. The power amplifier com...
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WO/2019/070694A1 |
A packaged transistor amplifier includes a package having an input lead and an output lead; a transistor stage having a plurality of unit cell transistors that are electrically coupled to the input lead in parallel, each of the unit cell...
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WO/2019/069692A1 |
The present disclosure pertains to a signal processing device, a signal processing method, and a program capable of predicting failure in acoustic reproduction using a digital amplifier and preventing the failure on the basis of the pred...
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WO/2019/069051A1 |
Pulse Width Modulation This application relates to digital PWM modulation. A PWM modulator (400, 1100) has a PWM generator (402) configured to receive pulse width data (P Width ) and to output a PWM signal (S PWM ) comprising a plurality...
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WO/2019/069115A1 |
Apparatus and methods for a multiclass, broadband, no-load-modulation power amplifier are described. The power amplifier (500) may include a main amplifier (532) operating in a first amplification class and a plurality of peaking amplifi...
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WO/2019/067084A1 |
An amplifier (10) having a Radio Frequency (RF) power level detector circuit (12) for producing a control signal in accordance with a power level of an RF input signal. The control signal indicates whether the power level of the input si...
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WO/2019/067040A1 |
A full-wave rectifier circuit (200) includes a comparator (220) configured to output a logic 1 or logic 0 by comparing an analog input signal to a reference voltage. The circuit further includes an analog switch (230) with a control inpu...
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WO/2019/057990A1 |
The present disclosure relates to a continuous-time delta-sigma modulator for converting an analog input signal to a digital output signal, said continuous-time delta- sigma modulator comprising a gain stage in the form of at least one a...
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WO/2019/060565A1 |
An amplifier for headphones including a current digital-to-analog converter (DAC) configured to output a current based on a digital audio input signal, an output electrically connected to a speaker and configured to output an output sign...
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WO/2019/056275A1 |
A programmable gain amplifier (400A) includes an operational amplifier (402A) and a resistor network (405A) coupled to the output node (404A) of the operational amplifier. The resistor network includes a first plurality of resistors (410...
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WO/2019/060535A1 |
Exemplary impedance matching circuit for an amplifier device comprises a broadband impedance transformer configured to transform, over a fundamental frequency range, an impedance associated with an input port or an output port of the imp...
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WO/2019/054980A1 |
Systems, circuitries, and methods for predistorting a digital signal in a transmit chain based on a predistortion function are provided in which the function is determined based on a first digital signal or a first transmit chain state. ...
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WO/2019/048065A1 |
An amplifier circuit (70) that comprises a first and a second field-effect transistor (M1, M2) of the same type is disclosed. It further comprises an input terminal (in) connected to the gate of the second field-effect transistor (M2), a...
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WO/2019/049035A1 |
A microelectronic sensor for biometric authentication of a user is based on the combination of an open-gate pseudo-conductive high-electron mobility transistor and a Vivaldi antenna installed in the open gate area of the transistor. The ...
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WO/2019/048045A1 |
According to an aspect, there is provided a method for power-amplification of a transmission signal, comprising: obtaining the transmission signal with phase and amplitude modulation; generating a power-amplified polar signal for approxi...
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WO/2019/049034A1 |
A microelectronic sensor for non-invasive monitoring of glucose levels in blood is based on the combination of an open-gate pseudo-conductive high-electron mobility transistor and a Vivaldi antenna installed in the open gate area of the ...
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WO/2019/045817A1 |
A programmable gain amplifier may include: (a) a differential amplifier having first and second input terminals and first and second output terminals, the differential amplifier providing an output signal of the programmable gain amplifi...
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WO/2019/043434A1 |
Systems and methods are disclosed herein for selectively compensating for a specific Intermodulation Distortion (IMD) product(s) of an arbitrary order in a transmitter system. In some embodiments, a method of compensating for one or more...
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WO/2019/045866A1 |
Certain aspects of the present disclosure are directed to a digital predistortion (DPD) device for use within a wireless transmitter that permits the use of a downstream digital-to-analog converter that operates at a clock rate close to ...
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WO/2019/045867A1 |
Certain aspects of the present disclosure are directed to digital predistortion (DPD) for use with a multi-chain wireless transmitter. In various examples described herein, the multi-chain transmitter is configured to use a single common...
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WO/2019/043359A1 |
This application relates to time-encoding modulators (301,700) having a self-oscillating modulator module configured to receive an input signal and output a pulse-width modulated signal (SPWM) where the pulse-width modulated signal is sy...
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WO/2019/039245A1 |
An operational amplifier 1 comprises transistors Q1 and Q2 forming an input stage, and input resistors R1 and R2 which form a filter together with parasitic capacitors C1 and C2 accompanying the transistors Q1 and Q2. Resistance values R...
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WO/2019/039650A1 |
The present invention relates to a Doherty combiner used in a Doherty power amplifier, the Doherty combiner comprising: a phase shift section connected to one end of a carrier amplifier so as to change a phase of an RF signal output from...
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WO/2019/036479A1 |
An analyte sensor incorporates one or more techniques for discriminating between different optical signals. In one embodiment, the sensor includes a photodetector that detects a narrow band optical signal. In another embodiment, the sens...
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WO/2019/033377A1 |
A radio frequency power amplifier is disclosed. The radio frequency power amplifier includes a conducting pattern which includes a shunt composite resonator including a plurality of sub-spiral resonators for a plurality of adjacent harmo...
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WO/2019/036303A1 |
Methods and systems for waveguide delay based equalization with optical splitting in optical communication may include an optoelectronic circuit comprising an input waveguide, a directional coupler, an optical delay, photodetectors, a cu...
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WO/2019/036499A1 |
Apparatus and methods for a no-load-modulation power amplifier are described. No-load-modulation power amplifiers can comprise multiple amplifiers connected in parallel to amplify a signal that has been divided into parallel circuit bran...
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WO/2019/031553A1 |
A cascode amplifier circuit (101) includes: a first transistor circuit (MM1) in which a signal is externally inputted into a signal input unit (Pi); a load circuit which is connected between the first transistor circuit (MM1) and a power...
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WO/2019/029890A1 |
According to the invention, an input stage (50) for an LVDS receiver circuit (100) is provided, comprising at least one supply voltage connection (41) and a first and a second stage input (11, 12) for applying a differential input signal...
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WO/2019/030518A1 |
An error amplifier for a pulse width modulation circuit is described. The amplifier includes an operational amplifier configured as an integrator and a feedback loop coupled between a signal output of the operational amplifier and an inv...
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WO/2019/031731A1 |
The present invention relates to an electronic device and a method for controlling an amplifier on the basis of the state of the electronic device. According to various embodiments of the present invention, the electronic device comprise...
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WO/2019/029827A1 |
A method comprises obtaining a transmission signal to be power-amplified in a power amplifier (361) prior to transmission; separating the transmission signal into two or more polyphase components of the transmission signal; feeding one o...
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WO/2019/026412A1 |
This RF signal generation device is provided with: an RF signal generation unit 102 which performs pulse modulation on a predetermined signal such that the predetermined signal has four or more valued discrete output levels and the lowes...
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WO/2019/026669A1 |
Problem: Proposed is an effective technique for making a filter of an ET output unit smaller in a wireless device for amplifying wireless output using an ET scheme. Solution: A wireless device, comprising: a primary amplifier 251 for amp...
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WO/2019/026315A1 |
A distortion mitigation quantizer circuit includes a pre-quantizer to generate a first quantized signal having L output signal levels from an input signal and a digital pulse-width-modulation (PWM) circuit to modulate the first quantized...
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WO/2019/021841A1 |
A high-frequency circuit (10) is provided with: a power amplification circuit (11); a first switch (13) having a first common terminal (131) to which an output signal of the power amplification circuit (11) is applied and first terminals...
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WO/2019/021709A1 |
A clock synchronization signal generator (40) generates a dead time at which both gates of two switching elements included in a switching circuit (52) go into an off state, and generates the dead time for controlling a plurality of pulse...
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WO/2019/019058A1 |
Disclosed in the present application is a dynamic amplifying circuit, comprising: a first driving circuit, used for receiving a first control signal and generating a first voltage signal and a second voltage signal; a second driving circ...
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WO/2019/016256A1 |
A circuit arrangement comprises a first input node (11), a first output node (21), a sampling capacitor means (Cs, Cs1, Cs2) and a first switching means being switchable between a first switching state and a second switching state. The f...
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WO/2019/016280A1 |
The invention concerns an audio amplifier circuit comprising: an audio amplifier (308) adapted to operate at a common-mode voltage level (VCM) and having an input node for receiving an audio signal (y[n], VIN) and an output (310) capable...
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WO/2019/015274A1 |
A two-line structure-based inverse class-F power amplifier, comprising an input port (P1), a stabilization circuit (4), an input matching circuit (3), a GaN tube (2), a two-line output matching network (1), and an output port (P2). The t...
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WO/2019/018363A1 |
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/2019/017779A2 |
The present invention relates to a radio-frequency (RF) power amplifier system for amplifying an RF signal. The present invention further relates to a telecommunications base station and a solid state cooking apparatus comprising such an...
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WO/2019/018646A1 |
Systems and methods that cancel distortion in the amplified outputs of a node by equalizing the distortion characteristics amplifiers in the node, so as to improve the effectiveness of predistortion applied to a downstream signal amplifi...
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WO/2019/015667A1 |
A power amplifier. The power amplifier comprises: an input end (210), used to input at least two signals of different frequencies; a power tube (220), used to perform power amplification on the at least two signals input by the input end...
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WO/2019/014909A1 |
A multistage Doherty power amplifier and a transmitter are provided, and the multistage Doherty power amplifier includes: a generalized carrier amplifier (201), which is a nested 2-way inverted Doherty sub amplifier, and a generalized pe...
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