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Matches 1 - 50 out of 50,291

Document Document Title
WO/2018/070033A1
The present invention reduces the power required in order to both stabilize a common mode loop and maintain a bandwidth of a common mode amplifier. One embodiment of the present invention is a common mode feedback circuit for amplifying ...  
WO/2018/069338A1
The invention relates to a signal filter using SC technology, comprising a transconductance amplifier (100), a current integrator (200), and a pulsed attenuation circuit (300), wherein a switchable input of the circuit (10) is connected ...  
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...  
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),...  
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 ...  
WO/2018/067907A2
A device includes: a piezoelectric transducer; a field effect transistor (FET) configured to provide a sub-threshold conduction path for leakage current across the piezoelectric transducer; wherein the FET comprises a gate; wherein each ...  
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 ...  
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...  
WO/2018/061386A1
A class D amplifier is provided with: a self-excited class D amplification circuit that is driven by an output signal having a current characteristic; and a voltage-to-current conversion circuit that outputs the output signal having the ...  
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...  
WO/2018/059665A1
An apparatus for communicating with at least one device, the apparatus comprising: a substrate configured for attachment to a surface; transmission circuitry connected to the substrate and comprising at least one antenna and processing c...  
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...  
WO/2018/059796A1
In an embodiment an integration circuit has a first input terminal (In1) configured to receive a first input signal (I1), a second input terminal (In2) configured to receive a second input signal (12), an output terminal (Out) to provide...  
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...  
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...  
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 ...  
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...  
WO/2018/057725A1
A radio frequency (RF) duplexer may comprise quadrature hybrid couplers and RF filters. The isolation and insertion loss of such RF duplexer, often limited by practical imperfections such as component mismatches and layout asymmetries, m...  
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...  
WO/2018/052657A1
One aspect of the present disclosure relates to a method for operating an amplifier, the amplifier including a variable resistor coupled between a source of a first input transistor and a source of a second input transistors, and a varia...  
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...  
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....  
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...  
WO/2018/046830A1
The invention pertains to an amplification device (2) including: -a switch (18) including an output (18S) that is suitable for being connected to a first or a second input (18E1, 18E2); -a first branch (20) that is connected to the first...  
WO/2018/047457A1
Power consumption is reduced in an ADC that performs AD conversion of single end signals. A pair of sampling capacitors samples the single end signals. When the single end signal is sampled, a connection control unit performs positive si...  
WO/2018/048962A1
An example apparatus includes a differential amplifier (202) to compare a first voltage (104) to a droop voltage (108). The first voltage (104) corresponds to a sum of inductor currents in a multi -phase voltage regulator. The droop volt...  
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 ...  
WO/2018/042288A1
The transmission delay time of a receiver for receiving a differential signal is reduced. A first amplifier circuit is provided in an input stage of the receiver, and a second amplifier circuit is provided in an output stage of the recei...  
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...  
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...  
WO/2018/041557A1
A differential gain-stage circuit (10) comprises a positive and a negative input terminal (25, 26), a first capacitor (11) with a first and a second electrode (12, 13), a second capacitor (14) with a first and a second electrode (15, 16)...  
WO/2018/036209A1
An apparatus (1) and a method for multistage amplification of micro signals from biosensors. The apparatus (1) comprises a first differential amplifier (11), a second differential amplifier (12), a third differential amplifier (13), an A...  
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 ...  
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...  
WO/2018/036211A1
A temperature drift compensation apparatus (1) and method for measuring micro signals. The apparatus (1) comprises a first differential amplifier (11), a second differential amplifier (12), a third differential amplifier (13), an ADC amp...  
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 ...  
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...  
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...  
WO/2018/035689A1
A harmonic power amplifying circuit with high efficiency and high bandwidth and a radio-frequency power amplifier. The circuit comprises: an input matching network (11), a transistor (M), and an output matching network (12); a gate of th...  
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...  
WO/2018/033711A1
A transmitter for transmitting a signal is provided, in which the transmitter comprises a power amplifier (54) and a driver amplifier (59), an output of the driver amplifier (54) being connected to an input of the power amplifier 854) vi...  
WO/2018/031144A1
Certain aspects of the present disclosure provide a switch architecture for switching between a low power amplifier and a high power amplifier. One example amplification system includes a high power amplifier and a low power amplifier. T...  
WO/2018/027653A1
A differential amplifier, comprising a previous-stage drive level (106), an input balun (101), a matching network (102), a differential transistor pair (103), a bias network (104) and an output balun (105). An output end of the previous-...  
WO/2018/030278A1
This PA module (1) is provided with: a multilayer substrate having a ground pattern layer (GND) that is connected to the ground of a power supply (70); amplifier transistors (10, 20) which are arranged on the multilayer substrate; a bypa...  
WO/2018/031194A1
A circuit includes an active balun having an RF signal input and having differential signal outputs, the active balun including a first pair of transistors coupled to the RF signal input, the first pair of transistors including a first t...  
WO/2018/031347A1
A circuit including a radio frequency (RF) amplifier including a transistor configured to receive an RF signal at its control terminal, a capacitor coupled to a first terminal of the transistor, an inductor coupled to a second terminal o...  
WO/2018/031198A1
A multi-stage low-noise amplifier (LNA) device with a band pass response includes a first LNA in series with a second LNA. The device further includes multiple outputs coupled to the second LNA. Each of the outputs is capable of being ac...  
WO/2018/026479A1
A selectable current limiter circuit. An apparatus and method of limiting the current of amplifiers.  
WO/2018/024631A1
An isolation amplifier comprises – an input circuit (1) at high voltage potential having an input (6) for a measurement signal to be transmitted, an input circuit configuration (7) for providing a coupling section signal representing t...  
WO/2018/024756A1
The invention discloses an electronic amplifier (2, 2') for amplifying an input signal (u1), comprising: a branching node (N), a supply branch (4), a balance branch (6), an auxiliary branch (8) and a load branch (10), wherein all of the ...  

Matches 1 - 50 out of 50,291