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Matches 1 - 50 out of 51,592

Document Document Title
WO/2019/215968A1
This amplifier circuit enhances linearity without reducing gain. The amplifier circuit is provided with a transistor, a load, an impedance element, and a variable current source. The transistor amplifies an input signal. The load is conn...  
WO/2019/215502A1
Various circuitry may benefit from appropriate matching. For example, certain low noise broadband amplifiers may benefit from resistive matching.  
WO/2019/215973A1
The purpose of the present invention is to simplify adjustment of a gain of an amplifier. In a first transistor, an applied input signal is input to a gate terminal and an electric current according to the input signal flows. A load part...  
WO/2019/215849A1
According to the present invention, CRLH lines (10a-10d), which are composed of left-handed shunt inductors (7a-7d) and left-handed serial capacitors (6a-6d), are provided in gate-side transmission lines (4a-4d) of a plurality of field e...  
WO/2019/217811A1
A pre-distorter that both accurately compensates for the non-linearities of a radio frequency transmit chain, and that imposes as few computation requirements in terms of arithmetic operations, uses a diverse set of real- valued signals ...  
WO/2019/217372A1
A multi-level supply modulator for RF power amplifiers requires only a single independent voltage supply along with one or more flying capacitors to achieve multiple output levels. The flying capacitor is used to store the intermediate v...  
WO/2019/215095A1
A Class-D amplifier for generating a driver signal from a multi-bit input signal comprises a digital pulse-width modulation (PWM), stage (DPWM) that is configured to generate a PWM signal (PWMA, PWMB) from the multi-bit input signal and ...  
WO/2019/212343A1
The invention relates to an asynchronous comparator that presents low average power consumption and short propagation delay. The comparator bias current is dependent on the differential input voltage in a way that the current increases w...  
WO/2019/211156A1
The present invention relates to an isolation amplification circuit which comprises an input stage circuitry and a control circuitry stage interconnected through a galvanic isolation barrier. The input stage circuitry comprises a first f...  
WO/2019/213084A1
In examples, a system (100) includes a differential amplifier (110) coupled to a parasitic capacitor (119) positioned between a first node (120) and a first reference voltage source (Vrefl). Also, the system (100) includes a buffer ampli...  
WO/2019/211628A1
A detector for detecting neural spike signals, the detector comprising a core amplifier. The core amplifier comprises two current paths, each current path integrating a current on a respective integrating node. Each current path comprise...  
WO/2019/205629A1
An amplification circuit and a rectifying antenna. The amplification circuit comprises: a first rectifying circuit (20), which is configured to output a first direct current signal according to an alternating current signal; a second rec...  
WO/2019/208122A1
An amplifier circuit comprising: a first amplifying circuit that includes a chopper circuit and amplifies first differential signals input to a first input terminal and a second input terminal, thereby outputting second differential sign...  
WO/2019/209604A1
According to one embodiment, a transmit/receive (T/R) switch includes a transmit switch, between a transmit port and an antenna port, a receive switch, between a receive port and the antenna port, a transmit inductor, coupled in parallel...  
WO/2019/207878A1
An objective of the present invention is to provide a starting circuit with which a reduced area and lowered power consumption can both be achieved with a more desirable configuration. Provided is a starting circuit (100) comprising: an ...  
WO/2019/209724A1
An output driver (600) with programmable single-ended and differential outputs includes a first switch (Ml), a first output attenuator, and a programmable attenuator. The first switch (Ml) is coupled in a shunt configuration to a first p...  
WO/2019/206881A1
The amplifier load current cancellation in a current integrator comprises applying an input current (Ιin) to an operational transconductance amplifier provided with an integration capacitor (Cint) for current integration, leading an out...  
WO/2019/207476A1
The invention relates to a system and a method of baseband linearisation (2) for a class G radiofrequency power amplifier (3), said linearisation system (2) comprising a module for selecting the amplifier power supply voltage (11), a dig...  
WO/2019/206550A1
An inverter circuit arrangement that connects an IO-link master with a slave comprises an AB class transistor circuit (Qnc2, Qpc2) of which the currents are replicated by a current mirror (Qpo1, Qno1, Qpo2, Qno2) to a terminal of the sla...  
WO/2019/207098A1
A microwave amplifier having a load network which provides more efficient amplification of a low power microwave frequency signal. The amplifier comprises a transistor and a load network coupled to the transistor output to shape a wavefo...  
WO/2019/207980A1
First switches (S1-S4) are respectively connected between multiple input terminals (IN1-IN4) and an inverting input of an operational amplifier (OP1). Second switches (S5-S8) and feedback resistors (Rf1-Rf4) are respectively sequentially...  
WO/2019/204014A1
Single controller automatic calibrating circuits for reducing or canceling offset voltages in operational amplifiers (op-amps) in an instrumentation amplifier are disclosed. An automatic calibrating op-amp system is provided that include...  
WO/2019/203887A1
A system may include a digital pulse width modulator subsystem, a first path coupled to an output of the digital pulse width modulator subsystem, a second path coupled to the output of the digital pulse width modulator subsystem and conf...  
WO/2019/202631A1
The present invention relates to a high-frequency power amplifier in which mainly an amplification GaN chip and a GaAs chip on which a pre-match circuit for the amplification GaN chip is formed are connected by wires on the same metal pl...  
WO/2019/200532A1
Radio frequency power amplifier with harmonic control circuit as well as method for manufacturing the same are disclosed. According to an embodiment, a radio frequency power amplifier includes: a planar dielectric substrate (60), a first...  
WO/2019/197897A1
A system including an optical engine. In some embodiments, the system includes an integrated circuit in a first-level package, and the system includes the optical engine, in the first-level package, and the optical engine includes an ele...  
WO/2019/196065A1
The present application provides an operational amplifier, characterized by comprising a first amplification stage, configured to generate a plurality of first output voltages according to a plurality of input voltages; a second amplific...  
WO/2019/199116A1
An amplifier according to one embodiment of the present invention comprises: an amplification circuit including an input circuit to which an input signal is applied, and outputting an output signal obtained by amplifying the input signal...  
WO/2019/193909A1
The present invention is provided with: a saturation determination part (1401) for determining, upon reading a voltage value of a differential signal after converted by an ADC (12), whether or not the output of the ADC (12) is saturated;...  
WO/2019/165317A3
An amplifier having one or more channels where each channel includes a two half bridges (a master and slave sub-channel). The sub-channels can be connected either in parallel or in a full-bridge configuration via internal switches that r...  
WO/2019/193336A1
Embodiments described herein relate to methods and apparatus for outputting a haptic signal to a haptic transducer. A method for triggering a haptic signal being output to a haptic transducer comprises receiving an audio signal for outpu...  
WO/2019/192735A1
The present invention provides a distributed amplifier, e.g. for use in an optical transmitter or for radar applications. The distributed amplifier of the invention has an improved output matching component compared to a conventional dis...  
WO/2019/193789A1
The purpose of the present invention is to improve signal quality in a circuit that amplifies an analogue signal and performs sampling. An input signal is inputted to one end of an input-side resistor. An operational amplifier amplifies ...  
WO/2019/194992A1
A system and method are provided for extending range of devices in a legacy wireless network. Generally, the method involves providing in a transmitter of the system a frame having a first field including a number of preamble segments an...  
WO/2019/189602A1
Provided is a track and hold circuit that can lower power consumption while preserving the broadband unchanged (without narrowing the bandwidth) in a differential amplifier circuit. A track and hold circuit 1 comprising a differential am...  
WO/2019/190526A1
An apparatus can include tracking circuitry coupled to a current source and configured to generate a reference voltage signal based on a reference current signal from the current source. The apparatus can include voltage regulator circui...  
WO/2019/186229A1
A method and transmitter for a Doherty power amplifier are provided. According to one aspect, a radio transmitter includes, for each carrier frequency, a filter, a main path and a peak path. The filter suppresses signals outside the sele...  
WO/2019/190480A1
A digital to analog converter (DAC) can include a current mode DAC to receive an OC word from digital logic indicating an amount of current to add to or remove from sources of respective transistors of an amplifier and generate a current...  
WO/2019/190543A1
A radio-frequency (RF) amplifier circuit facilites carrier-aggregation (CA) operation in a wireless communication network. A first amplifier subcircuit is coupled to an input node, and a second amplifier subcircuit is coupled to the inpu...  
WO/2019/148095A9
A static-neutralization system includes a plurality of alternating current (AC) static bars that is coupled to a common, high-voltage power supply. The power supply includes a transformer that steps up AC mains electricity to deliver hig...  
WO/2019/190694A1
Disclosed herein are integrated circuit (IC) packages, antenna boards, antenna modules, and communication devices (e.g., for millimeter wave communications). For example, in some embodiments, an antenna module may include: a logic die; a...  
WO/2019/185677A1
The invention relates to a detector circuit (8) for the galvanically isolated transmission of digital signals. The aim of the invention is to provide a more robust and less fault-susceptible detector circuit. The detector circuit (8) acc...  
WO/2019/187262A1
A digital transmitter includes baseband interfaces to generate digital baseband signals with baseband frequencies, digital-upconverting stages to upconvert the baseband frequencies to first radio frequencies having a predetermined freque...  
WO/2019/186881A1
Provided is a monolithic microwave integrated circuit having mounted thereon a matching circuit that comprises: a high frequency connection terminal (4) for being connected from a transistor that amplifies high frequency; and a high freq...  
WO/2019/190515A1
Systems, methods, and circuitries are disclosed to determine parameters for predistortion circuitry in a transceiver including a transmit chain and a receive chain. In one example, a method includes providing a training signal to a power...  
WO/2019/183194A1
A bi-directional amplifier (BDA) comprises a first pair of amplifier transistors and a second pair of amplifier transistors, wherein the first pair of amplifier transistors are cross-coupled with the second pair of amplifier transistors,...  
WO/2019/180520A1
The invention relates to a method for automatically adjusting a multiple-input-port and multiple-output-port tuning unit. The invention also relates to an apparatus for radio communication using this method. An apparatus for radio commun...  
WO/2019/180091A1
A transimpedance amplifier (100) for converting a current between its two input terminals (132, 134) to a voltage over its two output terminals (112, 114) comprising a high-speed level shifter (140) configured for creating a difference i...  
WO/2019/176185A1
This high-frequency amplifier includes an amplification circuit unit, an output terminal, and a branching filter. The amplification circuit unit includes a fundamental wave matching circuit and a harmonic processing circuit. The branchin...  
WO/2019/177806A1
A predictive brownout prevention system may be configured to prevent brownout of an audio output signal. Particularly, the brownout prevention system may be configured to receive information indicative of adaptive estimates of power supp...  

Matches 1 - 50 out of 51,592