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Matches 551 - 600 out of 51,674

Document Document Title
WO/2017/197078A1
A wide dynamic range trans-impedance amplifier (200) includes a first trans-impedance amplifier (206) configured to receive a first input current and produce a first voltage, and a second trans-impedance amplifier (222) configured to rec...  
WO/2017/196508A1
An apparatus (202) for wireless communication comprises a low noise amplifier, LNA (218), an attenuator (212), and a processing system (204). The attenuator (212) receives a signal from the LNA (218), generates a first attenuated signal ...  
WO/2017/194143A1
The disclosure relates to a circuit, comprising: a circuit input; a circuit output; at least one passive feedback loop coupled between the circuit output and the circuit input; an active element, in particular a DC coupled operational am...  
WO/2017/192075A1
An amplifier arrangement (200) for amplifying input signals and a method for operating the amplifier arrangement are disclosed. The amplifier arrangement (200) comprises a main amplifier circuit (210) having an input and an output; a fir...  
WO/2017/192700A1
An instrumentation amplifier (300) configured for providing high common mode rejection and low distortion includes an input differential pair (303, 304) configured to receive a differential input voltage and differential feedback voltage...  
WO/2017/192958A1
Methods and apparatus provide compensation for impedance changes in a network energized by an amplifier, such as a class E amplifier. In embodiments, bus voltage amplifier fundamental AC output voltage can be used to generate a feedback ...  
WO/2017/187767A1
[Problem] The conventional power source unit provides all of the power of a power amplification apparatus, so that if the power source unit fails, the whole power amplification apparatus stops. The objective of the present invention is t...  
WO/2017/185563A1
A distortion detection circuit (10) comprises a first logic operation and triggering module (100), a second logic operation and triggering module (200), and a logic operation module (300). The first logic operation and triggering module ...  
WO/2017/187474A1
Disclosed is a sensor reading device, wherein an IC chip (10) having functions of amplifying and outputting sensor signals transmitted from sensor elements included in a sensor array (11), is provided with a plurality of channel amplifie...  
WO/2017/190133A1
A switching system is connected to the power amplifier of an RF system. The switching system can switch the DC supply voltage to the power amplifier while handling the high DC current and the nanosecond switching speed requirements that ...  
WO/2017/188354A1
The present invention is provided with a cooler (11) in which a first high-frequency amplifier (12) for amplifying and outputting high-frequency signals from an output terminal is installed in close contact with a first surface (11a), an...  
WO/2017/184458A1
In accordance with embodiments of the present disclosure a control circuit may include at least one input for monitoring a respective signal for each of a plurality of amplifiers, an output for outputting at least one control signal for ...  
WO/2017/089726A3
The invention relates to a DC-to-DC converter block with multiple supply voltages, comprising a power circuit, said power circuit comprising N depletion-mode HEMT transistors (T3_1, T3_2, T3_N), N being a natural number greater than or e...  
WO/2017/184457A1
An audio amplifier circuit for providing an output signal to an audio transducer may include a power amplifier and a control circuit. The power amplifier may include an audio input for receiving an audio input signal, an audio output for...  
WO/2017/182884A1
Provided are a circuit system and method for a gallium nitride (GaN) device. The circuit system comprises: a negative bias voltage circuit, configured to provide a gate negative bias voltage of the GaN device; a drain switch circuit, con...  
WO/2017/180028A1
A modular power amplifier system (100) and an electronic device comprising the modular power amplifier system are disclosed. The modular power amplifier system (100) comprises a plurality of amplifier modules (111, 121, 131, 132, 1i1). T...  
WO/2017/179000A1
A power amplifier is provided having an input for receiving a signal to be amplified that is associated with a fundamental frequency. An amplifier circuit of the power amplifier includes an active device for amplifying the input signal a...  
WO/2017/178534A1
The present invention relates to a modulator for a digital amplifier and to an apparatus having such a modulator and a digital amplifier. The modulator (100) comprises a pulse former (110) and a control unit (120) for controlling the pul...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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...  
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...  
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...  
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...  
WO/2017/132594A3
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 ...  
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...  
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...  
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. ...  
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...  
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...  
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), ...  
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...  
WO/2017/132583A3
An integrated cinema amplifier a power supply stage that distributes power over a plurality of channels for rendering immersive audio content in a surround sound listening environment. The amplifier automatically detects maximum and net ...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  

Matches 551 - 600 out of 51,674