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Matches 151 - 200 out of 51,674

Document Document Title
WO/2019/110152A1
An amplifier, such as a Class D amplifier, having one or more feedback loops comprising a path from the input to the primary amplifier input, where the paths comprise a low pass filter and a compensator which is disabled when the primary...  
WO/2019/106826A1
The present invention is configured such that a first I signal passed through a first reverse characteristic circuit (1) having frequency characteristics that are reverse to those of a first loop filter circuit (4) is outputted to the fi...  
WO/2019/106909A1
Provided is a high frequency amplifier in which a circuit board can be miniaturized to reduce costs. The high frequency amplifier is provided with: a first board having a matching unit; and a second board having a transistor and a first ...  
WO/2019/108351A1
A resistor in a pair of resistors is selectively coupled to a current source through a selection switch during the reset phase of a voltage-mode sense amplifier so that one evaluation node for the voltage-mode sense amplifier is discharg...  
WO/2019/107264A1
An amplifying device (1) comprises: an amplifier circuit (40) in which a bias current (iB) flows; a first memory (10) that stores control information for specifying the bias current (iB) flowing in the amplifier circuit (40); a digital c...  
WO/2019/100246A1
A class-D amplifier (100) includes an output driver (108), a pulse width modulator (106), an integrator (104), and duty cycle control circuitry (102). The output driver (108) is configured to drive a loudspeaker. The pulse width modulato...  
WO/2019/103898A1
Apparatus and methods for quadrature combined Doherty amplifiers are provided herein. In certain embodiments, a separator is used to separate a radio frequency (RF) input signal into a plurality of input signal components that are amplif...  
WO/2019/101840A1
The invention describes an integrated switch mode power supply device comprising a switch mode regulator having a switching circuit coupled to an input voltage source to generate an output voltage from the input voltage and the switching...  
WO/2019/104325A1
An impedance matching network (116) for a radio frequency (RF) amplifier device (108) includes a baseband termination circuit (122) having reactive components configured to present low impedance to signals in a baseband frequency range t...  
WO/2019/104024A1
In a six phase capacitively coupled chopper amplifier, two phases (Phase 1, Phase 4) provide a zeroing phase to zero the feedback capacitors and set the input common mode value. Two phases (Phase 2, Phase 5) provide a passive transfer of...  
WO/2019/097871A1
The present invention is provided with: a differential amplifier (11) for amplifying an inputted differential signal; and an offset adjustment circuit (13) which is connected to the differential amplifier (11), and uses an inputted offse...  
WO/2019/097870A1
The present invention is provided with: a differential amplifier (11) for amplifying an inputted differential signal; a bias voltage generating circuit (14) which uses, as a bias voltage, the voltage of a common mode component included i...  
WO/2019/099142A1
Certain aspects of the present disclosure provide methods and apparatus for amplifying signals with an amplification circuit. The amplification circuit generally includes a first transistor, an input path coupled between an input node of...  
WO/2019/099930A1
Systems and methods according to one or more embodiments are provided for sensing a current at an output of a switching amplifier. In one example, a system includes a first transistor switch coupled to a load configured to conduct a curr...  
WO/2019/099604A1
An apparatus includes an amplifier, an input port, a first modulator circuit connected to the input port, and a correction circuit. The correction circuit is configured to determine a common mode voltage of the input port and receive a f...  
WO/2019/097609A1
The present invention is configured so as to be provided with a compensation circuit (9): the first end of which is connected to the second end of a first output circuit (7) and the second end of a second output circuit (8); the second e...  
WO/2019/092887A1
According to the present invention, a second main electrode of a first transistor (M1) and a first main electrode of a sixth transistor (M6) are connected to each other; a second main electrode of the sixth transistor (M6) and a first ma...  
WO/2019/091541A1
A power amplifier (300), comprising a main amplifier (320); a balanced amplifier (310) connected using a hybrid combiner (330), wherein an isolated port of the hybrid combiner (330) is connected to the main amplifier (320), wherein power...  
WO/2017/218748A3
Optimized impedance characteristics of a variable impedance device causes the apparatus to transmit wireless signals with minimal out-of-band transmission at an optimized efficiency of the power amplifier. The variation of impedance char...  
WO/2019/094451A1
In some embodiments, a differential input stage includes a first n-type metal oxide semiconductor transistor (NMOS) pair (220) coupled to a first input (IN1) and a second input (IN2), a second NMOS pair (205) coupled to the first input (...  
WO/2019/092814A1
A plurality of R-2R ladder circuits (1-1 to 1-N) are connected in parallel to an input terminal (4). A plurality of transconductance amplifiers (2-1 to 2-N) are connected to the plurality of R-2R ladder circuits (1-1 to 1-N) in a one-to-...  
WO/2019/086853A1
An amplifier (500) comprising an amplifying element (M1) having a voltage input across a first terminal and a third terminal and a voltage controlled current path between a second terminal and the third terminal; and a trifilar transform...  
WO/2019/088050A1
A branching unit (4) generates, from an input signal which is an electric current signal, a plurality of branch signals having signal strengths that are proportional to the input signal and are mutually different, and supplies each of th...  
WO/2019/089394A1
A circuit and method in an amplifier circuit for filtering a DC offset in differential input signals and inserting a programmable adjustable crosspoint offset in differential output signals. An amplifier circuit includes a differential a...  
WO/2019/087430A1
A Digital Power- Amplifier (DP A) system includes a power amplifier (PA) circuit having control inputs and an output for generating output signals, and an adaptive control circuit that comprises an input interface, an output interface, a...  
WO/2019/086701A1
The invention relates to a method for operating a circuit arrangement for amplifying radio signals between a terminal device and an antenna, and a corresponding circuit arrangement. The circuit arrangement has an amplifying unit having a...  
WO/2019/083267A2
A semiconductor apparatus according to the present technology comprises: a signal input unit for selecting and outputting multiple input signals according to a channel selection signal; an amplifier for amplifying and outputting an outpu...  
WO/2019/081422A1
A sensor arrangement comprises a sensor (1) having a first terminal (3) and a second terminal (5), and an amplifier (9) having an amplifier input (11) for applying an input signal and an amplifier output (13) for providing an amplified i...  
WO/2019/082894A1
[Problem] To provide a semiconductor device that is capable of achieving high resolution by reducing a cell circuit area. [Solution] Provided is a semiconductor device having: a first region where cells each having one of input transisto...  
WO/2019/082793A1
The present invention addresses the problem of achieving miniaturization. This high-frequency power amplification circuit (1) is provided with a power amplification circuit (4), a voltage amplification circuit (2), and a buffer circuit (...  
WO/2019/081018A1
The present invention relates to a radio frequency front end for wireless communication, es- pecially to a radio frequency front end (100) in which transmitting and receiving is performed using the same antenna. The front end comprises a...  
WO/2019/079035A1
A system may include a digital pulse width modulator subsystem, a first path coupled to an output of the digital pulse width modulator subsystem and configured to drive an open-loop driver stage, a second path coupled to the output of th...  
WO/2019/077249A1
The invention relates to a modulator circuit of a Hi-Fi system comprising: a first modulator (202) suitable for modulating, during an operating phase of the Hi-Fi system, a digital audio input signal (x[n]) to generate a first modulated ...  
WO/2019/079650A1
A system includes an amplification circuit and offset calibration circuit. The amplification circuit includes a modulation circuit operable to modulate a received signal, an amplifier operable to amplify the modulated signal, and a modul...  
WO/2019/078993A1
A rail-to-rail sense amplifier includes a PMOS differential pair and an NMOS differential pair (Ml, M2) that are arranged in parallel with regard to a biasing network for driving a class AB output stage (M4, P4). The sense amplifier incl...  
WO/2019/076841A1
The present invention is directed to a radio frequency, RF, transmit system for a magnetic resonance examination system, comprising a digital baseband modulator (100) configured for generating a digital baseband signal, a digital feedbac...  
WO/2019/076981A1
An interface circuit comprises a signal path including a front-end charge amplifier coupling an input of the interface circuit to an output of the interface circuit, and a DC control loop separate from the signal path. In some implementa...  
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...  
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...  
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 ...  
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)...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 151 - 200 out of 51,674