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Matches 1 - 50 out of 35,856

Document Document Title
WO/2018/132006A1
A digitally-controlled power amplifier (DPA) includes a radio frequency digital-to-analog converter (RF-DAC) constructed from nonlinearly weighted PA segments, a multiphase RF drive signal generator that drives the PA segments, and overd...  
WO/2018/132208A1
A wideband envelope tracking power amplifier includes a plurality of low dropout voltage regulators (LDOs) including at least a first LDO and a second LDO. The wideband envelope tracking power amplifier also includes a single-input-multi...  
WO/2018/128937A1
A Class G amplifier system including a processing unit configured to receive an input signal and output a delayed processed input signal, a class G amplifier configured to receive the delayed processed input signal, and a power supply. T...  
WO/2018/128420A1
The method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT) are provided. The method includes intelli...  
WO/2018/128764A1
Certain aspects of the present disclosure generally relate to a multi-output amplifier (400) implemented using a capacitive attenuator (414). For example, the multi-output amplifier (400) generally includes a first capacitive attenuator ...  
WO/2018/128782A1
An integrated front-end module (FEM) includes at least one power amplifier (PA) coupled to an antenna without inclusion of a switching element in a transmit signal path in the FEM between an output of the PA and the antenna. The FEM furt...  
WO/2018/120072A1
The disclosed embodiments include an audio amplifier system (100) configured to provide a total harmonic distortion (THD) controlled clip detector (131) and an automatic gain limiter (AGL) solution (101) for a closed-loop amplifier (125)...  
WO/2018/125793A1
An amplifier (30) may include a main signal path having a plurality of stages (32, 34, 36) compensated by feedback elements (38, 40), the plurality of stages (32, 34, 36) comprising an output stage (36) configured to receive electrical e...  
WO/2018/126010A2
Various examples are directed to a power amplifier circuit, comprising a digital predistortion circuit, first and second power amplifiers, and a bias feedback circuit. The digital predistortion circuit may be configured to generate a pre...  
WO/2018/119465A1
Methods and systems for implementing a closed loop DC-DC converter utilize a compensator to stabilize the output voltage of the DC-DC converter while improving the loop gain in the band of interest. A compensator may be implemented by an...  
WO/2018/119384A1
Multi-way amplifiers having impedance inverters connected to outputs of one or more peaking amplifiers are described. The output of the main amplifier may connect directly to a combining node and output impedance matching network. The mu...  
WO/2018/118344A1
Methods, devices, apparatuses, and systems provide an efficient architecture for multi-mode amplifier modules by combining components of parallel transmit paths and reducing the number of total components used in amplifier modules. One s...  
WO/2018/118749A1
The disclosed system and method provide for a CATV power amplifier (560) in which power dissipation may be reduced by dynamically adjusting the amplifier bias such that the bias is high only when high peak output signals need to be produ...  
WO/2018/109927A1
A feedforward transmitter (20) includes: input ports (211 to 21n) to which transmission signals of a plurality of channels are to be input; a signal synthesizer (22) for synthesizing the transmission signals; a feedforward amplifier (25)...  
WO/2018/109926A1
According to the present invention, a plurality of gate finger electrodes (2) are disposed alternately adjacent to drain electrodes (3) and source electrodes (4). A gate routing line (6) is connected to the plurality of gate finger elect...  
WO/2018/109930A1
[Problem] To obtain a Doherty amplifier having a high saturation output power performance and further having a good power-efficiency performance during a linear operation. [Solution] In a Doherty amplifier of series load connection type ...  
WO/2018/109862A1
A power amplification circuit (1) is provided with: a distortion compensation circuit (11) for implementing digital signal processing on a digital input signal (S); a frequency conversion unit (51) for converting an analog transmission s...  
WO/2018/112358A1
Systems and methods for improving power amplifier operation are provided. A system may include a baseband signal generator communicatively coupled to a baseband signal digital-to-analog converter. The baseband signal digital-to-analog co...  
WO/2018/103395A1
Provided are a signal amplification structure and a communication device. The signal amplification structure comprises one or more driver stage amplifiers (11) and a power stage amplifier (12). The one or more driver stage amplifiers (11...  
WO/2018/105101A1
This wireless receiver is provided with: a first circuit the gain of which is defined on the basis of a first resistance having first temperature characteristics and a second resistance having temperature characteristics different from t...  
WO/2018/107034A1
A gate drive circuit includes a lower limit clamping circuit, an upper limit clamping circuit, and an averaging circuit. The lower limit clamping circuit clamps the input node of a transistor at a minimum voltage with respect to the comm...  
WO/2018/106877A1
Neuromodulation systems in accordance with embodiments of the invention can use a feed-forward common-mode cancellation (CMC) path to attenuate common- mode (CM) artifacts appearing at a voltage input, thus allowing for the simultaneous ...  
WO/2018/106478A1
An RF module with improved testing capabilities is provided. The module has a first switch with signal outputs and an additional auxiliary connection connected to an auxiliary terminal. The auxiliary terminal can be connected to an RF fi...  
WO/2018/101075A1
The present invention relates to: a semiconductor device which enables electrostatic discharge damage to be inhibited in an electrode formation process when providing electrodes and an amplification unit to the same substrate; and a pote...  
WO/2018/099741A1
The present invention relates to a high-conversion-gain charge-amplifier device that comprises a voltage amplifier and a feedback loop between the output and input of the amplifier, such that the feedback loop consists of a capacitor con...  
WO/2018/099655A1
A MEMS sensor (1) comprises a MEMS transducer (10) being coupled to a MEMS interface circuit (20). The MEMS interface circuit (20) comprises a bias voltage generator (100), a differential amplifier (200), a capacitor (300) and a feedback...  
WO/2018/095526A1
A method (10) is disclosed that is performed in a transmitter device (25) for reducing compression level in a power amplifier (29) of the transmitter device (25). The method (10) comprising: determining (11) that the compression level in...  
WO/2018/098389A1
This invention relates to low noise sensor amplifiers and trans-impedance amplifiers using a complementary pair of current injection field effect transistor (iFET) devices (CiFET). CiFET includes a N-type current field-effect transistor ...  
WO/2018/096919A1
This output power stabilization circuit is provided with: a first variable attenuator that attenuates an inputted high-frequency signal; a second variable attenuator that attenuates a high-frequency signal outputted from the first variab...  
WO/2018/094910A1
A power supply circuit and an audio playback device are provided. The circuit is configured to power a digital to analog converter (DAC) and a power amplifier (PA) in the audio playback device, the circuit comprising: a power conversion ...  
WO/2018/095807A1
A MIMO precoder, a method and a computer program product are disclosed. The MIMO precoder comprises: a first plurality of digital signal inputs, each operable to receive a corresponding one of a first plurality of digital data streams co...  
WO/2018/093793A1
An example apparatus for supporting digital pre-distortion (DPD) and full duplex (FDX) in cable network environments is provided and includes a first path for signals being transmitted out of the apparatus, a second path for signals bein...  
WO/2018/093910A1
A digital predistortion (DPD) system (302B) includes an input (222) configured to receive a DPD input signal. The DPD system includes a first predistortion circuit (404) configured to provide a first signal path coupled to the input to g...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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 ...  
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...  
WO/2018/085410A3
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  

Matches 1 - 50 out of 35,856