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Apparatuses and methods for acoustic channel auto-balancing during
multi-channel signal extraction
Systems and methods are described to automatically balance acoustic channel sensitivity. A long-term power level of a main acoustic signal is calculated to...
Amplifier input stage and amplifier
An amplifier input stage comprising first and second p-type transistors, wherein sources of the first and second p-type transistors are connected to a first...
Low noise low-dropout regulator
Representative implementations of devices and techniques provide a regulator having a high regulation speed and low noise across a wide frequency range. A pass...
Super-efficient single-stage isolated switching power amplifier
A super-efficient single-stage switching power amplifier is realized by not incorporating a rectification process in its power conversion loop while...
Power amplifier circuit based on a cascode structure
A Power amplifier circuit based on a cascode structure and to be powered by a power source voltage, e.g. a battery, said circuit comprising -a first transistor...
Method and system for a configurable low-noise amplifier with programmable
Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a low-noise amplifier (LNA) with a low pass...
CMOS based TX/RX switch
A novel and useful radio frequency (RF) front end module (FEM) circuit that provides high linearity and power efficiency and meets the requirements of modern...
Active inductor and associated amplifying circuit
An active inductor includes a first transistor, a capacitor, a second transistor, a first resistor, a second resistor, and a bias current source. A source...
A common source or common emitter LNA circuit for amplifying signals at an operating frequency f in a receiver circuit is disclosed. The LNA circuit comprises...
Semiconductor package design providing reduced electromagnetic coupling
between circuit components
A single semiconductor device package that reduces electromagnetic coupling between elements of a semiconductor device embodied within the package is provided....
Frequency and phase conversion circuit, wireless communication unit,
integrated circuit and method therefor
A frequency and phase conversion circuit and wireless communication unit for supporting a plurality of different duty cycles is described. The frequency and...
Broadband integrated RF/microwave/millimeter mixer with integrated
A broadband radio frequency, microwave, or millimeter mixer system may include a balun and a mixer. The balun may have an unbalanced port; a balanced port; a...
Demodulation device, and demodulation integrated device and modulation and
demodulation integrated device using...
A demodulation device according to the present invention includes a spin device configured to output an oscillation signal; a phase control unit configured to...
Instrument panel cluster
An instrument cluster assembly is disclosed and includes at least one gauge. The gauge comprises a dial surface and a ring spaced apart from the dial surface....
Oscillation circuit, oscillator, method of manufacturing oscillator,
electronic device, and moving object
An oscillation circuit includes a terminal XO which is connected to one end of a resonator, a terminal XI which is connected to the other end of the resonator,...
In accordance with the present invention there is provided a bi-stable oscillator circuit for detecting a load imparted to a surface. The bi-stable oscillator...
Complementary Colpitts voltage controlled oscillator with low power and
low phase noise
A complementary Colpitts voltage-controlled oscillator having the properties of low power and low phase noise are disclosed. The disclosed complementary...
Oscillation circuit, oscillator, electronic device, moving object, and
manufacturing method of oscillator
An oscillator circuit includes a circuit for oscillation, a temperature compensated circuit, an output circuit, and an amplitude control circuit. The output...
Low-noise voltage-controlled oscillator
A low-noise and big tuning range voltage-controlled oscillator. Wherein a current source circuit is used for generating working current of the ...
Low phase noise voltage controlled oscillators
A voltage controlled oscillator (VCO) with low phase noise and a sharp output spectrum is desirable. The present disclosure provides embodiments of LC tank VCOs...
Electrical test apparatus for a photovoltaic component
The present invention relates to electrical test apparatuses for photovoltaic modules and methods of testing photovoltaic modules.
Systems and methods for concentrated solar photovoltaic power generation
with controllable radiation attenuation
In a concentrated solar photoelectric system, at least one controllable radiation attenuation element (e.g., an array of controllable pixels or segments) is...
Calibration system for solar collector installation
A solar concentrator calibration tool that compensates for inconsistencies in the fabrication, assembly and installation of a solar collector system, permits...
Control method implemented in a variable speed drive
The invention relates to a method of control implemented in a variable speed drive, said method comprising the following steps of: for a switching of a...
Method for controlling a multiphase machine
A method is described for controlling a multiphase machine which is connected to a battery, the multiphase machine having a DC link which is provided with a DC...
Control of a brushless electrical machine
A brushless electrical machine has at least one phase winding which produces torque to drive a load. The control system for the machine is able to vary the flux...
Control techniques for an interior permanent magnet synchronous motor of
an electrified vehicle
A system and method for controlling an interior permanent magnet synchronous motor (IPMSM) are presented. In an exemplary implementation, phase current ripple...
Motor control device and motor control method
This motor control device generates a voltage command value from a current command value and performs feedback control by means of a detected current flowing...
Sensor commuated electric motor with sensorless angular position
determination and method
An electric motor assembly, mud pulser and a method for transmitting data. The electric motor assembly includes an electric motor having a rotor and a stator...
Motor driving circuit, motor device, and electric vehicle
A motor driving circuit has a supply line connected to a DC power source, an inverter whose input side is connected to the supply line and whose output side is...
Method and device for operating a brushless motor
The invention relates to a method for operating a brushless electric motor, the windings of which are controlled by an inverter using six switches, wherein the...
Electric power tool
An electric power tool includes a motor with a rotor having a permanent magnet; a control unit that sets a control amount of the motor in accordance with...
Motor position controller
A motor position controller includes a temporary setting portion, a position command generating device, a motor controlling part, and a second conformity...
Brake control circuit and motor system
The present invention relates to a brake control circuit and a motor system. The brake control circuit is used for controlling a motor brake connected to a...
Apparatus for closed-loop mechanical energy harvesting
A closed-loop apparatus for converting mechanical energy into electrical energy utilizes a closed-loop channel including sections of different cross-section...
Piezoelectric element, liquid ejecting head, liquid ejecting apparatus,
ultrasonic sensor, piezoelectric motor,...
A piezoelectric element includes: a first electrode; a piezoelectric body layer which is provided on the first electrode; and a second electrode which is...
Compact versatile stick-slip piezoelectric motor
A motion control system that includes a base, a stage supported by the base and movable with respect to the base, and a motor coupled to the base and operable...
Vibrator, oscillator, electronic device, and moving object
A MEMS vibrator includes: a substrate; a base portion which is disposed on the substrate; and a plurality of vibration portions which extend in directions...
Control device of power conversion unit and method of controlling power
A control device and control method of power conversion unit applied to a three-phase AC grid. The control device includes detection unit, current detection...
Inverter with series connected gate driving circuits and voltage divider
An inverter includes an inverter unit including at least one inverter arm having at least one high side switch and at least one low side switch connected to...
Cells control in a multilevel converter
Cells in a phase leg of a multilevel converter are controlled through regulating, using tap-changer control, the modulation index of the converter to above...
Synchronous rectification controlling circuit and synchronous
rectification controlling method
In one embodiment, a synchronous rectification circuit can include: (i) a sampling circuit configured to sample a voltage across first and second power...
Variable switching frequency power supply apparatus
A variable switching frequency power supply apparatus includes a main transformer, a voltage detection unit, a pulse width modulation control unit and a switch...
Voltage source current controlled multilevel power converter
A power converter module including a voltage source current controlled power converter for providing unidirectional current having at least four output voltage...
Power converter equipped with semiconductor module
In a power converter, a plurality of AC busbars are electrically connected to an AC load. An insulating support surrounds at least part of a stacked converter...
Control method during zero-crossing operation of bridge arms in UPS
A control method is disclosed that involves controlling zero-crossing operation of bridge arms in a UPS, wherein the UPS has a rectifying bridge with first and...
Leakage current detection and switched on/off compensating current
A converter to which an alternating current is inputted from an AC power supply rectifies the alternating current to output it to a DC link. An inverter is...
Position sensorless open loop control for motor drives with output filter
A power converter, control apparatus and methods are presented for driving a permanent magnet motor or other load through a sine wave filter and a transformer,...
Power supply device
A power supply device includes a full-bridge circuit including first to fourth switches switching power input from a power input unit, the first and second...
This invention generally relates to synchronous rectifier controllers for an SMPS. One controller comprises: a sensor to sense a signal on a secondary side, to...