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Digital microphone device with extended dynamic range
The present disclosure refers to a digital microphone device providing a single-bit Pulse Density Modulation PDM output signal. The digital microphone comprises...
Mobile terminal and method for controlling sound output
Provided is a mobile terminal and method for controlling a sound (audio) to be output, the mobile terminal including at least one application including sound...
Variable matching circuit and amplifier
A variable matching circuit includes a transformer which is disposed between first and second transistor circuits. A primary inductor device and a secondary...
Differential amplifier circuit
In one embodiment, a differential amplifier circuit includes a first input terminal, a second input terminal, a first transistor, a second transistor, a third...
Digitally controlled variable transductance stage for microwave mixers and
A transconductance stage has a common-emitter transconductance stage having common emitter transistors, a common-base transconductance stage having common base...
An electronic circuit for amplifying a wanted signal, comprising: a comparator having a first input, a second input and an output, wherein a connection is...
Multi-stage transimpedance amplifier and a method of using the same
A multi-stage transimpedance amplifier (TIA) which includes a common gate amplifier configured to receive a current signal, the common gate amplifier is...
Amplifier and signal processing device
When a switch is set to off, and a switch is set to on, the voltage of a SigOut terminal is stabilized with a reference voltage, and a bias voltage is applied...
Analog feedback amplifier
A comparator 13 that detects the difference between a high frequency signal detected by a detector 12 and a feedback signal A output from a comparator 11; a...
Circuits and methods related to low-noise amplifiers having improved
Disclosed are circuits and methods related to low-noise amplifiers (LNAs) having improved linearity. In some embodiments, a radio-frequency (RF) amplifier...
MMIC power amplifier
A microwave integrated circuit includes a substrate and a power amplifier on the substrate. The power amplifier includes a power divider circuit having an input...
System and method for assembling a voltage amplifier
A voltage amplifier is provided that includes a first row and a second row each having a respective first or second plurality of capacitors arranged...
Devices and methods for improving yield of scalable periphery amplifiers
Device and methods for improving consistency of operation and therefore yield of sealable periphery amplifiers is described. Amplifier size of the scalable...
High power and high linearity cascode amplifier
An apparatus having a first circuit and a second circuit. The first circuit may be configured to generate an output signal in response to an intermediate...
Cascode power amplifier
An amplifier for amplifying signals is presented. A cascode power amplifies includes two or more adjacent cascode amplifiers and at least one remote cascode...
Harmonics cancellation circuit for a power amplifier
The present disclosure relates to a circuit that includes an input port for applying a sinusoidal input signal, and a first buffering means for converting the...
Class AB amplifier with programmable quiescent current
A Class AB amplifier has a control stage and a push-pull stage. The control stage has a programmable resistor that allows a floating constant voltage to applied...
Radio frequency amplifying circuit and power amplifying module
An radio frequency amplifying circuit includes an amplifying transistor configured to amplify a radio frequency signal input to a base of the amplifying...
Phased array architecture configured for current reuse
A phased array architecture configured for current reuse is disclosed. In an exemplary embodiment, an apparatus includes a current mode phase rotator (PR)...
Double down-conversion with multiple independent intermediate frequencies
for E-band applications
An apparatus includes a first receiver and a second receiver. The first receiver may be configured to generate a plurality of first intermediate frequency...
Method for processing a frequency-modulated analog signal and
A method and corresponding device for processing a frequency-modulated analog signal are disclosed. The signal includes a number of symbols belonging to a set...
Combined amplitude-time and phase modulation
A method for generating a compound signal wave with one or more substantially sinusoidal waveform(s) containing an encoded digital information combined with a...
Spin-transfer torque type injection locking oscillator and design method
The present invention provides a spin-transfer torque type injection locking oscillator which improves both power and noise performance by using pair of...
Crystal oscillator circuit
A crystal oscillator circuit includes an oscillator configured to generate a signal having an oscillation amplitude. A high-pass filter is configured to filter...
Crystal oscillator with low-power mode
Circuits having corresponding methods and computer-readable media comprise: an amplifier; a crystal port configured to be electrically coupled to a crystal,...
Integrated circuit comprising a frequency dependent circuit, wireless
device and method of adjusting a frequency
An integrated circuit comprises a frequency dependent circuit comprising an input node, an output node and a main bank of selectable first capacitive elements...
Support structure for solar panel
A support structure for solar panel includes first supports, second supports, first platens, second platens, and optoelectronic units. Two first diversion...
Catalytic smog reduction
Illustratively, an electrical generator includes a photovoltaic element which converts light produced by a surface into electrical power, the surface located in...
Method to command and control the electric motor of an automation unit and
Method to command and control an electric motor of an automation unit. The unit comprises a mechanical member, driven by a drive shaft, a central command and...
A power tool includes a motor, a gear mechanism that changes the speed of an output of the motor, a drive circuit including a switching element that controls...
System and method for protection of a compressor with an aluminum winding
A compressor includes an electric motor and a protector device. The motor drives a compression mechanism and has a rotor and a stator. The stator includes...
Wiper control apparatus of vehicle
A wiper control apparatus includes a wiper motor for operating a wiper, and providing a ground terminal, a low-speed terminal, and a high-speed terminal. A cam...
Method and apparatus for charging a bootstrap charge storage device
A charging circuit for at least one bootstrap charge storage element within an inertial load driver circuit is described, the at least one bootstrap charge...
Driving switching system applied to motors and method thereof
In a driving switching system, an H-bridge circuit includes a first P-type MOSFET, a first N-type MOSFET, a second P-type MOSFET and a second N-type MOSFET. The...
Electric power steering apparatus
An electric power steering apparatus is provided in which stably performing drive of FETs of an inverter can be achieved by means of a simplified constitution....
Direct torque control motor controller with torque ripple reduction
An AC motor controller is provided that utilizes a direct torque controller and primary and secondary control loops. The primary control loop operates in a...
Sensorless vector control apparatus for induction motor
A sensor-less vector control apparatus for induction motor enhanced in performance of sensor-less vector control by estimating changes in parameters in real...
System and method for improving response time of a braking unit
A braking system includes a converter, a capacitor coupled to an output of the converter, a bridge coupled in parallel to the capacitor, and at least one...
Method of determining individual set points in a power plant controller,
and a power plant controller
This invention relates to a method and a power plant controller arranged to carry out the method. The method is on an intelligent dispatching of the power...
Power converter for engine generator
A power converter for an engine generator includes an insulative support that receives and supports circuit components for converting incoming AC power to...
Energy harvesting device
An energy harvesting device comprises a semiconductor device, a first magnet core, and at least one second magnet core. The semiconductor device, disposed in a...
Signal control system for fan motor
A signal control system for a fan motor comprises an input end, a load driving unit, a first signal conversion unit, a second signal conversion unit, and an...
Sensorless control method and system for motor
A sensorless control method and system for a motor are provided. The includes a back EMF observer that is configured to estimate a back EMF of the motor and an...
Vehicle and method for controlling vehicle
A control device stores, as a dead time Td, a period from a point of time of a switching-off operation of an inverter to a point of time when an inverter output...
Power converting circuit
A power converting circuit for supplying power to an inductive load, includes an inductance, a switching circuit and an energy saving circuit. The inductance is...
Controller for a three-phase brushless D.C. motor
Controller for a three-phase brushless D.C. motor has a full bridge circuit and an electronic control unit (ECU). The full bridge circuit has three branches...
Method and apparatus for controlling an electric machine in a six-step
A voltage source inverter controller for controlling an inverter electrically connected to an electric machine includes a current command generator, a six-step...
Rotating electric machine control device and electric power steering
In a rotating electric machine control device, a voltage command value calculation section calculates a voltage command value based on a current command value...
Integrated system of circuits for serial fan structure
An integrated system of circuits for serial fan structure includes a first and a second fan connected back to back. A first driving unit and a first control...
Electric control and supply system
A system supplies power from an AC voltage source to an electrical device. The system includes a plurality of AC/DC voltage converters having inputs connected...