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SEMICONDUCTOR DEVICE AND DRIVING METHOD OF THE SAME
In the case of reducing an effect of variations in current characteristics of transistors by inputting a signal current to a transistor in a pixel, a potential...
APPARATUS FOR SWITCHING
A switch of an inverter of an X-ray tube power supply including: at least four MOSFETs aligned in parallel; a plurality of intermediate radiators positioned...
DYNAMIC SHUTDOWN PROTECTION CIRCUIT
Systems, circuits, and methods for operating an Insulated-Gate Bipolar Transistor (IGBT) are provided. A switching circuit is described that includes a first...
The present disclosure is applicable to electronic fields, and provides a voltage comparator. The voltage comparator includes a first branch, a second branch...
Method And System For Cancellation Of Spurious Signals
Systems and methods for generating a spurious signal cancellation signal, the system comprising two direct digital synthesizers (DDS). The first DDS provides...
RAMP SIGNAL GENERATOR AND CMOS IMAGE SENSOR USING THE SAME
Disclosed are a ramp signal generator capable of reducing the size of a feedback capacitor by using a current subtraction and a CMOS image sensor using the...
PHASE NOISE MEASUREMENT AND FILTERING CIRCUIT
Methods and apparatuses for measuring a phase noise level in an input signal are disclosed. An input signal can be delayed to generate a delayed version of the...
VOLTAGE CONTROLLED OSCILLATOR, SEMICONDUCTOR DEVICE, AND ELECTRONIC DEVICE
A low-power voltage controlled oscillator is provided. The voltage controlled oscillator includes (2n+1) first circuit components (n is an integer of one or...
ACTIVE BALUN CIRCUIT AND TRANSFORMER
An active balun circuit includes a CG transistor having a source terminal thereof connected to an input terminal and a gate terminal thereof grounded, a CS...
NOISE FILTER CIRCUIT
A noise filter circuit includes a first control circuit, a second control circuit, and a central processing unit (CPU). The first control circuit includes a...
Multi-Port CATV Power Splitter With Increased Bandwidth
There is provided a signal splitter comprising at least four outputs and a plurality of step-up transformers, wherein each step-up transformer has less than...
Efficiency Variable Antenna
An efficiency variable antenna is provided, the efficiency variable antenna including: a feeding portion; a first grounding portion; a second grounding...
HIGH POWER PHASE SHIFTER
A variable capacitance cell includes a hybrid coupler including a first port, a second port, a third port, and a fourth port. A first variable capacitance is...
POWER AMPLIFICATION MODULE
Provided is a power amplification module that includes: a first transistor, a first signal being inputted to a base thereof; a second transistor, the first...
CONSTANT TRANSCONDUCTANCE BIAS CIRCUIT
A bias circuit is adapted for biasing a to-be-biased transconductance cell such that the to-be-biased transconductance cell has a constant transconductance,...
SENSE AMPLIFIER OF SEMICONDUCTOR DEVICE
A sense amplifier of a semiconductor device is disclosed. The sense amplifier of a semiconductor device may include a PMOS latch transistor and an NMOS latch...
MATCHING NETWORK FOR BROADBAND POWER AMPLIFIER
Matching network for broadband power amplifier. In some embodiments, a power amplifier can include an amplifying transistor having an input and an output, and...
AUDIO AMPLIFIER CIRCUIT, AUDIO OUTPUT DEVICE USING THE SAME, AND
ELECTRONIC DEVICE USING THE SAME
An audio amplifier circuit for driving an electro-acoustic transducer, which is bridged transless (BTL)-connected to the audio amplifier circuit, in a...
LOW POWER FEED FORWARD AMPLIFIER
The disclosure provides a circuit. The circuit includes a primary amplifier. A first common mode detector is coupled to the primary amplifier. A second common...
Method for an Adaptive Transconductance Cell Utilizing Arithmetic
A first transconductance cell having a differential input voltage .DELTA.V1 and a forced output current .DELTA.I1, has a bias set by a feedback loop. A second...
Doherty Power Amplifier, Communications Device, and System
A Doherty power amplifier includes a main power amplification circuit, an auxiliary power amplification circuit, a connection circuit, and an impedance...
POWER AMPLIFYING APPARATUS AND METHOD FOR CONTROLLING POWER AMPLIFYING
A power amplifying apparatus of an embodiment includes a Doherty amplifier, a voltage adjuster, and a central processing unit. The Doherty amplifier is...
SYSTEM AND METHOD FOR ENHANCED WATCH DOG IN SOLAR PANEL INSTALLATIONS
A system and method for automated shutdown, disconnect, or power reduction of solar panels. A system of solar panels includes one or more master management...
Diagnostic Method for Solar Power System and Monitoring Device
The diagnostic method for a photovoltaic power system includes: a step of storing measured values of voltage and current outputted by a photovoltaic cell...
SOLAR WATER-COLLECTING, AIR-CONDITIONING, LIGHT-TRANSMITTING AND POWER
A system for collecting solar energy and fresh water may be disclosed. The system may include one or more assemblies of collector modules, each of which module...
METHOD AND APPARATUS FOR MODIFYING IMAGE TO INCREASE SOLAR ENERGY
A method, apparatus and computer program product are provided in order to improve the efficiency with which a mobile device collects solar energy. In the...
DOUBLE-GLASS PHOTOVOLTAIC MODULE
A double-glass photovoltaic module includes: a body, where the body includes a first glass layer, a first encapsulation layer, a cell group layer, a second...
Solar Panel with Pivoting Side Supports
A folded down support (12) allows for stronger solar panels (10) and the support replaces most of the solar racking required for solar installation which...
PANEL MOUNTING BRACKET WITH UNDER-MOUNTING CLAMP AND RELATED METHODS
A system for mounting a solar panel(s) on a building, where the solar panel has an outer frame defining a lip. The system may include a plurality of panel...
Thermophotovoltaic Materials, Methods of Deposition, and Devices
Novel materials, material deposition methods, and devices used to generate electrical power from thermal radiators based on thermophotovoltatic (TPV) operating...
THREE-PHASE ROTATING MACHINE CONTROLLER
A three-phase rotating machine controller includes electric power converters that output, to the winding sets of a three-phase rotating machine, alternating...
Motor Fault Detector
A motor control circuit includes a processor configured to calculate a plurality of motor impedances from measurements of an excitation voltage on a power bus...
MOTOR CONTROL DEVICE HAVING LIFE PREDICTION UNIT OF SMOOTHING CAPACITOR
A motor control device includes a converter that converts AC power into DC power, a smoothing capacitor provided in a DC link, an inverter that converts the DC...
THRUST CONSTANT DERIVATION METHOD AND MOVEMENT CONTROL METHOD OF LINEAR
MOTOR, AND THRUST CONSTANT DERIVATION...
A method of deriving a thrust constant representing an occurrence rate of a thrust in relation to a current in a linear motor which includes a magnet extending...
VOICE COIL MOTOR DRIVER AND CAMERA MODULE HAVING THE SAME
A camera module having a voice coil motor driver, including a driving controller configured to compare a reference voltage and a negative feedback voltage to...
Stator Resistance Estimation for Electric Motors
A method of controlling an electric motor (motor) includes providing a processor having an associated memory storing a stator resistance (Rs) estimation (RSE)...
Motor Driving Device and Driving Method of the Same
A motor driving device and driving method of the same used to surely suppress the influence of counter electromotive force is provided. The motor driving...
MOTOR DRIVE DEVICE
A motor drive device includes: a drive circuit unit having a plurality pair of switching elements and a plurality pair of free wheel diodes connected in...
MOTOR DRIVE CIRCUIT AND METHOD
In accordance with an embodiment, a drive circuit is provided for driving for a motor wherein the drive circuit includes a first signal generator coupled to a...
MOTOR DRIVE CIRCUIT AND METHOD
In accordance with an embodiment, a method for driving a motor includes determining a position of a first pole of a rotor of the motor relative to a position...
ELECTRONIC SWITCHING MODULE FOR A POWER TOOL
An electronic power apparatus includes a housing, a pair of input power pins and a pair of output power pins, and power components mounted on a power circuit...
MULTI-PHASE MACHINE CURRENT CONTROL
A controller for controlling a multi-phase motor is described. The controller may be configured to drive a first virtual multi-phase motor in an active mode...
MULTI-PHASE MACHINE CURRENT CONTROL
A controller for controlling a multi-phase motor is described. The controller may include a torque control module and a current control module. The current...
A rotary shaft supported by a housing so as to be capable of rotating in a forward rotation direction and a reverse rotation direction. A shape-memory alloy...
PIEZOELECTRIC POWER GENERATION MODULE AND REMOTE CONTROLLER
A rectifier circuit rectifies power generation voltage of a piezoelectric element to generate DC voltage and supplies the power generation voltage to a load....
ENERGY HARVESTING SYSTEMS, APPARATUS, AND METHODS
Energy harvesting apparatus, systems, and methods comprising a variable capacitor, a charge source, and an actuator. In some embodiments, the charge source...
A triboelectric generator includes first and second electrodes facing each other, and a first energy generation layer provided on the first electrode and...
IN-PLANE AND OUT-OF-PLANE MOTION ACTUATOR
A near-eye light field display for use with a head mounted display unit with enhanced resolution and color depth. A display for each eye is connected to one or...
A connection apparatus which includes a case and an adapter, the case has an connecting device, the connecting device has at least one electrical terminal, and...
INVERTER CONTROL METHOD
A method of controlling an inverter, in which the inverter includes a single-phase inverter arrangement comprising a complementary pair of power switches,...