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TUNABLE TUBE AMPLIFIER SYSTEM OF A RADIO-FREQUENCY POWER GENERATOR
Tube amplifier system including a plurality of conductor walls extending parallel to a longitudinal axis and defining an interior space therebetween. The tube...
SENSE AMPLIFIER AND SEMICONDUCTOR MEMORY DEVICE EMPLOYING THE SAME
The present disclosure herein relates to a sense amplifier and a semiconductor memory device employing the same. The sense amplifier includes an inverter...
MAGNETICALLY COUPLED LOAD MODULATION
A method, packaged semiconductor device, and system for controlling a secondary amplifier output current based on an input signal received from an amplifier...
AMPLIFICATION DEVICE AND AMPLIFICATION METHOD
An amplification device includes at least two amplifiers. The amplification device further includes: a switching unit that switches an amplification mode to...
DUAL-BAND DOHERTY AMPLIFIER AND METHOD THEREFOR
A dual-band Doherty amplifier and method therefor are provided. The dual-band Doherty amplifier includes a first amplifier gain element, a first transmission...
MULTI-MODE POWER AMPLIFIER
A power amplifier module that includes a power amplifier and a controller is presented herein. The power amplifier module may include a set of transistor...
METHODS AND CIRCUITS TO REDUCE POP NOISE IN AN AUDIO DEVICE
A class D amplifier receives and amplifies a differential analog signal which is then differentially integrated. Two pulse width modulators generate pulse...
Phase-Switched Impedance Modulation Amplifier
Described is a phase-switched phase-switched, impedance modulation amplifier (PSIM). The PSIM has an input that can be coupled to a source and an output that...
TUNABLE MATCHING NETWORK WITH PHASE-SWITCHED ELEMENTS
Described is a phase-switched tunable impedance matching network (PS-TMN). The PS-TMN has an input that can be coupled to a source and an output that can be...
An amplifying device includes: a signal splitter configured to split an input signal to a plurality of signals having a phase difference between the plurality...
QUASI-SWITCHED, MULTI-BAND, HIGH-POWER AMPLIFIER AND METHOD
A quasi-switched, multi-band, high-power amplifier includes an input matching network, a low band path, a high band path, and an output matching network. The...
LOW POWER OPERATIONAL TRANSCONDUCTANCE AMPLIFIER
A low power operational transconductance amplifier is disclosed. In an exemplary embodiment, an apparatus includes a transconductance stage configured to...
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...
There is provided a switching circuit for an active mixer. The switching circuit comprises a first pair of parallel switching devices and a second pair of...
SYSTEMS AND METHODS FOR GENERATING INJECTION-LOCKED, FREQUENCY-MULTIPLIED
Disclosed herein are systems and methods for generating injection-locked, frequency-multiplied output signals. In an embodiment, a circuit includes a ring of a...
Thyristor-Based Optoelectronic Oscillator with Tunable Frequency and
Optical Phase Lock Loop Employing Same
An optoelectronic circuit for producing an optical clock signal that includes an optical thyristor, a waveguide structure and control circuitry. The waveguide...
COMPENSATION CIRCUIT AND INVERTER STAGE FOR OSCILLATOR CIRCUIT
A circuit includes an oscillator circuit to receive a bias current and generate an oscillating signal at an output node. A current differencing circuit...
MULTIMODE OSCILLATOR ENABLING SIMULTANEOUS MONITORING OF VARIATIONS IN
SEVERAL RESONANCE FREQUENCIES OF A RESONATOR
A multimode oscillator comprising: a resonator including: a moving element; actuators of the moving element according to two symmetric and antisymmetric...
A crystal oscillator has characteristics in that reduction in oscillation margin makes the crystal oscillator less likely to oscillate, with the result that an...
POWER OSCILLATOR APPARATUS WITH TRANSFORMER-BASED POWER COMBINING
An oscillator circuit includes first and second oscillators arranged in a series configuration between a supply voltage node and a reference voltage node. The...
Determining the Power Density Distribution of a Photovoltaic Generator
from Temporal Profiles of its Electrical...
The power density distribution of a photovoltaic generator of planar extent is determined by measuring an electrical power generated by the photovoltaic...
SYSTEMS AND METHODS TO REDUCE FIELD BUILDUP BETWEEN CELLS AND GLASS AND
FRAME ASSEMBLY FOR SOLAR ENERGY PRODUCTION
Systems and methods for removing charge buildup/leakage from solar modules. A discharge controller may be coupled between a solar module and a string bus of a...
Photovoltaic Connection Box And Photovoltaic Assembly
A photovoltaic connection box is disclosed. The photovoltaic connection box has a box, a conductive terminal received in the box and having a first lateral...
AC CONVERSION ON THE SOLAR CELL LEVEL
A solar power system may comprise a back sheet that comprises an interconnect circuit coupling a plurality of cell tiles. A tiled solar cell, comprising a...
SOLAR BATTERY CONTROL APPARATUS
There is provided a solar battery control apparatus comprising: a solar battery in a vehicle; a vehicle speed detecting unit; a load circuit capable of be...
Photovoltaic Power Farm Structure and Installation
Unique mounting structures and installation methods for arrays of photovoltaic modules are disclosed. These structures and methods allow for simple,...
DEVICE FOR PRODUCING ENERGY FROM SOLAR RADATION
A device (D) for producing energy, from solar radiation (RS), intended for a building or industrial construction (1), includes, on the outside, at least one...
APPARATUS AND METHODS FOR MONITORING SUBSEA ELECTRICAL SYSTEMS USING
A system includes a controller circuit configured to provide control inputs to at least one component of a subsea electrical system, a simulator circuit...
ELECTRIC MOTOR THERMAL PROTECTION USING STATOR CURRENT MEASUREMENTS
Monitoring thermal conditions of an electric motor using current signals from power supplied to the motor is disclosed herein. The current signals may be used...
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...
PARTITIONED MOTOR DRIVE APPARATUS FOR SUBSEA APPLICATIONS
A system includes an above-surface control unit and a subsea motor drive unit. The above-surface control unit includes a variable speed motor control circuit...
METHODS FOR SWITCHING ON AND FOR SWITCHING OFF AN N-PHASE ELECTRIC MACHINE
IN A MOTOR VEHICLE
A method is provided for switching on and switching off an n-phase electric machine in a motor vehicle. The n-phase electric machine includes a rotor with a...
An electric motor comprises a stator, rotor and powering circuit. A first stator pole is operable to attract a first rotor pole to rotate the rotor when the...
METHOD AND APPARATUS FOR AUTO-TUNING AN ELECTRIC MACHINE CURRENT REGULATOR
In one example embodiment, a motor control unit includes a processor configured to tune a current regulator regulating a supply of electrical current to an...
MOTOR CONTROL APPARATUS AND MOTOR CONTROL METHOD
A motor control apparatus controls a motor system including a motor and an inverter that outputs electric power to the motor. The motor control apparatus...
CONTROL SYSTEM USING FLUX FEEDBACK
A control system using flux feedback is disclosed. The control system may be for an electric motor of a machine. The control system may have a control...
A drive system has: a three-phase motor, having: a shaft, a first three-phase winding set, having: a threephase stator winding for connection to a three-phase...
Brushless Direct Current Motor and Driving Apparatus Thereof
The present invention relates to driving apparatus for a brushless direct current motor, comprising: at least three half-bridge circuits, each having two...
ZERO CROSSING DETECTION CIRCUIT FOR MOTOR CONTROLLER AND METHOD THEREFOR
A method includes selectively communicating each of a plurality of motor winding signals to a first node at an integrated circuit based on whether the...
MOTOR DRIVING SYSTEM
A motor driving system includes an offset value learning part, which learns offset values of current sensors, when all switching elements are in off-states and...
MOTOR CONTROL APPARATUS
A motor control apparatus operates a power conversion circuit connected between a direct current power source and a motor, which performs mutual conversion...
DRIVE CONTROL APPARATUS FOR ELECTRIC MOTOR
The present invention relates to a drive control apparatus for an electric motor and a control method thereof. In the present invention, the generation of...
ENERGY GENERATING DEVICE, AND METHOD OF MANUFACTURING THE SAME
An energy generating device and a method of manufacturing the same are provided. The energy generating device includes a first electrode, a metal layer,...
ULTRASONIC ACTUATOR DEVICE AND APPLICATIONS THEREOF
Ultrasonic actuator device (100) includes actuator arm arrangement (10) including first and second actuator sections (11,12), wherein the first section is...
Multi-level Inverter with Flying Capacitor Topology
A multi-level inverter having one or more banks, each bank containing a plurality of low voltage MOSFET transistors. A processor configured to switch the...
MULTILEVEL POWER CONVERSION DEVICE
A multilevel power conversion device includes: N (N.gtoreq.1) direct current voltage sources; a first flying capacitor; a second flying capacitor; and a phase...
THREE-LEVEL ACTIVE NEUTRAL POINT CONVERTER
The invention relates to a active-neutral point clamped converter having at least one half-bridge circuit connected into a DC voltage circuit. Each half-bridge...
SYSTEMS AND METHODS FOR REDUCING LOOP INDUCTANCE
A method for use in reducing an inductance of a circuit including a commutation loop defined at least in part by a source conductor and a return conductor...
METHOD AND DEVICE FOR SWITCHING OPERATION MODE OF A FIVE-LEVEL INVERTER
A method and device for switching an operation mode of a five-level inverter are provided. The method includes: determining a first three-level operation mode...
METHOD AND DEVICE FOR MODULATING A FIVE-LEVEL INVERTER, AND PHOTOVOLTAIC
A method and device for modulating a five-level inverter, and a photovoltaic system are provided. The method includes: acquiring a voltage command value Vcmd...