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WO/2017/175295A1 |
Conventional amplifiers suffer from a deterioration in linearity when idle current is reduced in order to reduce power consumption. This amplifier is equipped with: a bias circuit which allows a bias current to flow; an amplifier eleme...
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WO/2017/175296A1 |
Conventional high frequency amplifiers suffer from a decrease in the saturation output power when idle current is reduced in order to reduce power consumption. This amplifier is equipped with: a first transistor, in which the terminal ...
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WO/2017/174330A1 |
Biosignal acquisition device for the acquisition, in particular the concurrent or simultaneous acquisition of optical and electrical biosignals, wherein the optical and electrical biosignals are both received by an Analog Front End Devic...
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WO/2017/166216A1 |
A circuit capable of extending a dynamic range of the radio-frequency output power of a 5.8 GHz frequency band, the circuit comprising a radio-frequency chip, a plurality of stages of radio-frequency power amplifiers (G1,..., Gn) and a r...
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WO/2017/169769A1 |
The positive power terminal (1-1a) of a differential amplifier (1-1) is connected to a positive power supply line (L1). The negative power terminal (1-2b) of a differential amplifier (1-2) is connected to a negative power supply line (L2...
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WO/2017/171965A1 |
A phase-stiff radio frequency power amplifier (RFPA) is disclosed. The high phase-stiffness property of the RFPA obviates the need for a circulator or other isolation device in applications where the RFPA is used to implement the high-po...
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WO/2017/171310A1 |
The present disclosure relates to an apparatus and a method for transmitting a signal using a power amplifier in a wireless communication system. A transceiver in a wireless communication system may comprise: a digital predistorter for d...
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WO/2017/172344A1 |
The disclosure relates to a system and method for controlling a common mode voltage of an output differential signal of a differential signal processing circuit. The differential signal processing circuit includes two load devices (RL1, ...
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WO/2017/167354A1 |
A signal processing circuit arrangement may include a preamplifier circuit configured to map a first dimension input and a second dimension input to a first subset of a plurality of lookup table coefficients of a two-dimensional (2D) loo...
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WO/2017/173120A1 |
In described examples, an electrical device (150) (e.g., an integrated circuit) includes an amplifier (80), a configurable common mode gain trim circuit (90), and a memory (154). The configurable common mode gain trim circuit (90) is cou...
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WO/2017/169645A1 |
This high-frequency signal amplifying circuit is used in a front-end circuit (1) for propagating a high-frequency transmission signal and a high-frequency reception signal, and is provided with: an amplifying transistor (17) which amplif...
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WO/2017/168923A1 |
A sound-processing device has an amplifier, a current-detecting unit, and a control unit. The amplifier amplifies sound signals and drives a speaker. The current-detecting unit detects current flowing in the amplifier. The control unit c...
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WO/2017/162269A1 |
An interface for inter-chip communication, comprises a transmitter part (TX) for transmitting a differential signal and a receiver part (RX) for receiving the differential signal, the transmitter part (TX) being provided in a first integ...
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WO/2017/165360A1 |
An ultrasound probe buffer is provided. The ultrasound probe buffer may include a high impedance amplifier having a common-source core stage with series-series local feedback. The high impedance amplifier may include a first MOSFET and a...
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WO/2016/131029A9 |
Power amplifier having staggered cascode layout for enhanced thermal ruggedness. In some embodiments, a radio-frequency (RF) amplifier such as a power amplifier (PA) can be configured to receive and amplify an RF signal. The PA can inclu...
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WO/2017/158554A1 |
A radio frequency power amplifier (RF PA) apparatus includes a first RF PA (1502), a second RF PA (1504), and a controller (2002). The first RF PA (1502) is configured to deliver RF power to a load over a first range of RF power levels. ...
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WO/2017/160520A2 |
A signal processing system for producing a load voltage at a load output of the signal processing system, wherein the load output comprises a first load terminal having a first load voltage and a second load terminal having a second load...
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WO/2017/160556A1 |
A method may include processing a first signal derived from an input signal with a first path to generate a first path voltage at a first path output, processing a second signal derived from the input signal with a second path to generat...
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WO/2017/158200A1 |
The invention relates to an electronic driver circuit (10) for at least one power MOSFET (20) wherein the electronic driver circuit (10) comprises at least one driving signal generator (15) and at least one piezoelectric resonator (25), ...
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WO/2017/160522A1 |
A method may include controlling switches of a switching full-bridge of a signal processing system to commutate polarity of a capacitor with respect to the first processing path output and a second processing path output of the signal pr...
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WO/2017/160747A1 |
For broadband data communication, a data signal voltage at a signal input node can be converted to an output signal current at a signal output node. A first transistor device (Q1_ L, Q1_ R) can contribute to the output signal current, wi...
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WO/2017/160417A1 |
A depletion mode FET (Q2) having a bias circuit (13) for producing a bias current for a gate electrode (G) of the FET (Q2) includes a pair of source follower transistors circuits; a first one of the pair of two source follower transistor...
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WO/2017/155631A1 |
A circuit for amplifying a source signal generated by a signal source having a first impedance includes a transmission line transformer (TLT) having a first, a second, a third, and a fourth port wherein the TLT is coupled to receive the ...
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WO/2017/154194A1 |
An amplifying circuit of the present invention is provided with: an input circuit unit (10) that receives an input signal; a load circuit unit (10), which is provided in series with the input circuit unit, and which has a first variable ...
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WO/2017/155617A1 |
A communication device includes a power amplifier that generates power signals according to one or more operating bands of communication data, with the amplitude being driven and generated in output stages of the power amplifier. The fin...
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WO/2017/154051A1 |
There is provided a class-D amplifier that can suppress a shoot-through current when no sound is being output while preventing sound quality from deteriorating. A class-D amplifier for amplifying an input audio signal is provided with: a...
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WO/2017/151289A1 |
A circuit including a power amplifier having a control terminal configured to control an output level of the power amplifier, a bias circuit in communication with the control terminal, the bias circuit including a tunable plurality of di...
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WO/2017/149319A1 |
A four-wave mixing transmission line (3) including: an input (15, 17, 19) arranged to receive: a first pump signal (7a) having a first pump frequency; a second pump signal (7b), having a second pump frequency, different to the first pump...
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WO/2017/147955A1 |
Even harmonics are suppressed by a harmonics-reducing bias generator that drives bias voltages to cascode control transistors in series with driver transistors in a power amplifier. A first bias voltage is generated by mirroring pull-up ...
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WO/2017/144106A1 |
A transmitter (200) with reduced distortion is presented herein. The transmitter (200) comprises a power amplifier (240), where the transmitter (200) models the distortion of the power amplifier (240) under the same operating conditions ...
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WO/2017/145241A1 |
Provided is an output circuit of an amplifier, said output circuit not changing power consumption. Since the output circuit of the amplifier does not flow, to a power supply circuit, a current correlated to a signal, the output circuit i...
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WO/2017/145285A1 |
Conventional distortion compensation circuits pose a problem in which power consumption by the A/D converter increases when the transmission signal bandwidth increases. The distortion compensation circuit according to the present inventi...
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WO/2017/141025A1 |
This invention relates to switching amplifiers and switching power converters with bipolar outputs. A new circuit configuration is disclosed which is neither 'single ended' nor 'bridged'. This introduces a new category of amplifiers and ...
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WO/2017/140087A1 |
Provided is an amplification circuit, containing a reference voltage generation circuit, a common mode voltage conversion circuit, a common mode negative feedback circuit and an amplification sub-circuit, wherein the reference voltage ge...
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WO/2017/142695A1 |
A radio-frequency (RF) generator is provided that produces a controlled overshoot. One embodiment includes a RF power amplifier and a direct-current (DC) power supply that includes a primary DC power supply, an auxiliary DC power supply,...
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WO/2017/139808A1 |
In described examples, an amplifier system (10) includes an input stage (12) configured to receive an input pulse signal and to generate a reference voltage pulse based on the input pulse signal. The amplifier system (10) also includes a...
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WO/2017/136123A1 |
A sense amplifier (SA) and a method for operating the SA are provided. The SA includes a first differential pair of transistors configured to receive a first differential input, a second differential pair of transistors configured to rec...
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WO/2017/133776A1 |
A power amplifier includes a two-dimensional matrix of NxM active cells formed by stacking main terminals of multiple active cells in series. The stacks are coupled in parallel to form the two-dimensional matrix. The power amplifier incl...
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WO/2017/132292A1 |
Methods and systems are described for receiving, at an input differential branch pair, a set of input signals, and responsively generating a first differential current, receiving, at an input of an offset voltage branch pair, an offset v...
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WO/2017/129396A1 |
An amplifier circuit (AC) for amplifying an output signal (OS) of a capacitive sensor (M) comprises a first input terminal (AIN) to receive the output signal (OS) of the capacitive sensor (M) and a second input terminal (BIN) to receive ...
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WO/2017/131933A1 |
A circuit (550) includes a first transistor (534) comprising a gate, a source, and a drain, and an inductor (535) coupled between the gate and the source of the first transistor (534), wherein the source is further coupled to a current s...
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WO/2017/132594A2 |
A continuous time Class-D modulator with an embedded programmable logic device in a forward path. The FPGA is configured to provide synchronization control by deriving a synchronization clock for the modulator and monitoring a 1-bit PWM ...
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WO/2017/127132A1 |
A switching power stage for producing a load voltage at a load output of the switching power stage, wherein the load output comprises a first load terminal having a first load voltage and a second load terminal having a second load volta...
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WO/2017/127353A1 |
A switching power stage for producing a load voltage may include a first processing path having a first output, a second processing path having a second output, a first plurality of switches comprising at least a first switch coupled bet...
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WO/2017/124815A1 |
The invention provides a coupling network, a power amplifier device, and a communication terminal. The coupling network comprises at least four ports and a nonreciprocal coupler matching circuit, wherein at least one port is an impedance...
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WO/2017/124576A1 |
A transconductance amplifier based on a self-biased cascode structure comprises: a self-biased cascode input-stage structure, formed by PMOS input transistors M1, M2, M3 and M4; a self-biased cascode first-stage load structure, formed by...
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WO/2017/124094A1 |
An area efficient amplifier that amplifies a continuous-time continuous-amplitude signal and converts it to a discrete-time discrete-amplitude signal. The amplifier includes a first oscillator having an input and a plurality of N outputs...
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WO/2017/123393A1 |
This disclosure provides systems, methods, and apparatus for a radio frequency transceiver. The transceiver includes a modulator for modulating a data signal onto one or more carrier signals to generate a modulated signal and a power amp...
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WO/2017/121955A1 |
The invention relates to an excitation circuit (14) for a resolver, comprising two inverting amplifiers (30-A, 30-B) connected in series; each of the two inverting amplifiers has an output (32-A, 32-B), and each output is intended for co...
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WO/2017/122610A1 |
This photoelectric converter converts an optical signal into an electric signal and amplifies the electric signal, and is provided with: a photoelectric conversion element which converts the optical signal into an electric signal and out...
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