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MULTI-CAVITY PACKAGE HAVING SINGLE METAL FLANGE
A multi-cavity package includes a single metal flange having first and second opposing main surfaces, a circuit board attached to the first main surface of the...
Power supply method and device for radio-frequency power amplifier
A power supply method and device for a radio-frequency power amplifier are provided. The method includes: drains or collectors, configured to output amplified...
APPARATUS AND METHODS FOR PARALLELING AMPLIFIERS
Provided herein are apparatus and methods for low distortion composite amplifiers with high load current. In certain configurations, a composite amplifier can...
POWER SUPPLY REJECTION RATE THROUGH NOISE CANCELLATION IN AN AUDIO
Embodiments contained in the disclosure provide a method of cancelling power supply noise that affects the output of a class-D audio amplifier. The method...
BALANCED DIFFERENTIAL TRANSIMPEDANCE AMPLIFIER WITH SINGLE ENDED INPUT AND
A balanced differential transimpedance amplifier with a single-ended input operational over a wide variation in the dynamic range of input signals. A threshold...
IMPROVED RADIOFREQUENCY POWER LIMITER, AND ASSOCIATED RADIOFREQUENCY
EMITTER AND/OR RECEIVER CHAIN AND...
This radiofrequency power limiter includes at least one transistor, a drain of the transistor being directly connected to a mesh connecting an input to an...
Circuit arrangement and apparatus for protecting an electronic component
The invention relates, amongst others, to a circuit arrangement comprising a pass-through filter section between a first input and/or output node and a second...
MULTI-BAND POWER AMPLIFIER
Systems, devices and methods related to multi-band power amplifier. In some embodiments, a power amplifier module includes a power amplifier having an output...
GATED CDS INTEGRATOR
A Gated CDS Integrator (GCI) may amplify low-level signals without introducing excessive offset and noise. The GCI may also amplify the low level signals with...
APPARATUS AND METHODS FOR CHOPPING RIPPLE REDUCTION IN AMPLIFIERS
Apparatus and methods for digitally-assisted feedback offset correction are provided herein. In certain configurations, an amplifier includes amplification...
PHASE SHIFT AND ATTENUATION CIRCUITS FOR USE WITH MULTIPLE-PATH AMPLIFIERS
Embodiments of circuits for use with an amplifier that includes multiple amplifier paths include a first circuit and a second circuit in parallel with the...
Electric charge is stored, in accordance with a bias voltage, in a gate of a transistor performing switching operation between an input terminal and an output...
POWER AMPLIFIER MODULE
A power amplifier module includes an amplifier transistor and a bias circuit. A first power supply voltage based on a first operation mode or a second power...
LINEARIZING SCHEME FOR BASEBAND FILTER WITH ACTIVE FEEDBACK
A method and apparatus for linearizing a baseband filter are provided. The apparatus is configured to, via a first conducting module, receive a first current...
One example discloses a class-D amplifier apparatus, comprising: an amplifier circuit, having a set of input terminals, a set of output terminals, a quiescent...
A circuit may include an input node, a first intermediate node, a second intermediate node and an output node. The circuit may also include a first gain stage...
OSCILLATOR FOR HIGH-FREQUENCY SIGNAL GENERATION
An oscillator for high-frequency signal generation is disclosed. Provided according to the present invention is an oscillator for high-frequency signal...
METHOD FOR DETERMINING THE CARRIER LIFETIME
A method for determining the carrier lifetime in a point of a surface of a sample, includes in absence of illumination, measuring, at the point, a parameter P...
POWER MEASUREMENT SYSTEM AND LOAD POWER MONITORING SYSTEM USING THE SAME
AND OPERATING METHOD THEREOF
A load power monitoring system includes: an external power supply source; a renewable energy source configured to generate power or store a power applied from...
A method determines a cabling of a unit of a photovoltaic system. The unit includes a number of solar components and a transfer point. The method includes...
SOLAR CELL MODULE TERMINAL BOX
A solar cell module terminal box to be attached to a solar cell module is provided. The solar cell module terminal box includes: a connecting terminal which...
PRESSURE DRIVEN AUTOMATED SOLAR PANEL CLEANING SYSTEM
An automated solar panel cleaning system includes a pressure driven motor secured to a body. The motor includes cleaning means, guide members, driving means...
ELECTROSTATIC PARALLEL PLATE ACTUATORS WHOSE MOVING ELEMENTS ARE DRIVEN
ONLY BY ELECTROSTATIC FORCE AND METHODS...
Actuator apparatus for generating a physical effect, at least one attribute of which corresponds to at least one characteristic of a digital input signal...
CONTROL APPARATUS FOR ELECTRIC POWER INVERTER
An inverter control apparatus performs PWM control of a 3-phase inverter connected to a rotary machine, by operating switching devices corresponding to...
AC MOTOR DRIVING SYSTEM AND METHOD THEREOF
AC motor driving system and driving method thereof are provided. The driving system and method are capable of increasing power factor, adjusting waveform of...
POWER SUPPLY OF AN ELECTRIC MOTOR
The invention relates to a power supply system of an electric motor (1) comprising a power circuit (3), the input terminals of which are connected to a DC...
Fractional Delay Adjustment in a Field-Oriented Control Architecture
A motor controller architecture and method of operating the same. The motor controller includes a function for selecting a fractional delay compensation value...
PROPORTIONAL INTEGRAL REGULATING LOOP FOR A DIGITAL REGULATOR DEVICE FOR A
MOTOR VEHICLE EXCITATION ROTARY...
Regulating loop for a digital regulator of an excitation rotating electric machine is suitable for operation as a generator delivering an output voltage...
MOTOR DRIVE CONTROL APPARATUS, COMPRESSOR, FAN, AND AIR-CONDITIONING
A motor drive control apparatus according to the present invention includes: a three-phase rectifier to rectify an AC voltage supplied from a three-phase AC...
Hybrid Controller For Brushless DC Motor
A circuit includes a processor that analyzes a pulse width modulated (PWM) signal feedback from a brushless DC motor to determine a transition between a mutual...
TRI-STATING BRUSHLESS DC MOTOR PHASE FOR DIRECT DETECTION OF BACK EMF ZERO
A back electromotive force (BEMF) zero cross may be detected in a brushless direct current (BLDC) motor that is controlled by pulse width modulation (PWM). A...
MOTOR DRIVE DEVICE
A motor drive device includes: an inverter circuit having a smoothing capacitor; a drive circuit portion which outputs an operation signal to the inverter...
PIEZOELECTRIC ENERGY HARVESTER
A piezoelectric energy harvester is provided. The piezoelectric energy harvester includes a housing, a metal plate, a first piezoelectric material, an...
ASSEMBLY FOR CONVERTING MECHANICAL WORK INTO ELECTRICAL ENERGY AND
COUNTING DEVICE COMPRISING IT
An assembly (10) for converting mechanical work into electrical energy comprising a bending transducer (12) with a support (20) in the form of a strip and with...
PIEZOELECTRIC DRIVING DEVICE, ROBOT AND PUMP
A piezoelectric driving device includes a piezoelectric element, which has a first electrode layer, a piezoelectric body layer that is provided above the first...
TRIBOELECTRIC ENERGY HARVESTER
A triboelectric energy harvester comprises an electrode, a non-conductor, a first conductor, and a second conductor. The non-conductor is disposed on the...
POWER SUPPLY SYSTEM AND ENERGY STORAGE SYSTEM
A power supply system to provide auxiliary power output comprising a first energy storage device, a first inverter coupled to the first energy storage device,...
SYSTEMS AND METHODS FOR CONTROLLING INVERTERS
A method of controlling an inverter includes receiving a target waveform for output voltage of an inverter phase, calculating a phase bias for an inverter...
ENERGY HARVESTING DEVICE USING SSHI TECHNIQUES
An energy harvesting device harvests energy from an energy source, and includes an inductor and a control switch coupled in series, and a control module. The...
A power converter (30) comprising components of a power converter circuit, the components including switching elements (31 to 36), smoothing capacitors (37 to...
A converter full-wave rectifies a single-phase voltage, and outputs the rectified voltage across DC power supply lines. An inverter receives the rectified...
RESONANT RECTIFYING DEVICE, CONTROL METHOD AND APPARATUS FOR RESONANT
A resonant rectifying device includes a transformer having a primary winding and a secondary winding, a primary-side circuit coupled to the primary winding of...
BODY DIODE CONDUCTION OPTIMIZATION IN MOSFET SYNCHRONOUS RECTIFIER
To maximize power efficiency, dead time between "on" times of a synchronous rectifier ("SR") MOSFET switch and a main switch for CCM operation in particular in...
Multi-Step Simplified Optimal Trajectory Control (SOTC) Based on Only Vo
and I Load
A resonant power converter is disclosed with a driving circuit generating a switching signal connecting power to a resonant tank circuit, with a voltage...
Universal System Structure for Low Power Adapters
A two-stage power converter architecture including an isolation transformer and rectification of the isolation transformer output by an LLC resonant circuit...
POWER CONVERTER DEVICE
A power converter device, includes switching devices and a controller, to realize conversion between power supplies by controlling on and off the switching...
Resonant Converters with an Improved Voltage Regulation Range
A method comprises determining an operating mode based upon an input voltage and an output voltage of a resonant converter, wherein the resonant converter...
SWITCHING POWER-SUPPLY DEVICE
A switching power-supply device applies a DC voltage to a primary winding of a transformer and performs a switching operation of a switching element connected...
Circuit and Method for Driving Synchronous Rectifiers for High-Frequency
A voltage waveform similar to a waveform of a magnetizing current of an isolation transformer and immune to high frequency oscillatory resonant behavior is...
HYSTERETIC-MODE PULSE FREQUENCY MODULATED (HM-PFM) RESONANT AC TO DC
The disclosed embodiments provide an AC/DC power converter that converts an AC input voltage into a DC output voltage. This AC/DC power converter includes an...