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Multi-mode pointing device and method for operating a multi-mode pointing
A method for pairing and operating a multi-mode pointing device is provided. A pointing device may be automatically paired with an image display device. A...
RFID positioning and tracking apparatus and methods
Technologies for RFID positioning and tracking apparatus and methods are disclosed herein. The apparatus and methods disclose a radio-frequency identification...
Ladder-type elastic wave filter and antenna duplexer using same
In a ladder-type elastic wave filter, a resonance frequency of a second parallel resonator is higher than that of a series resonator and lower than an...
Broad band diplexer using suspended strip-line capacitor technology
A broad band diplexer employing suspended strip-line capacitors is disclosed. The diplexer has a low pass filter circuit and a high band pass filter circuit....
Circuits, devices and methods related to combiners for Doherty power
Circuits, devices and methods related to combiners for Doherty power amplifiers. A signal combiner can include a balun transformer circuit having a first coil...
The invention relates to an impedance-matching device comprising a circuit consisting of a plane substrate (27) whereon at least one conductive stripline (26)...
Method and apparatus for signal filtering and for improving properties of
The present invention relates to nonlinear signal processing, and, in particular, to adaptive nonlinear filtering of real-, complex-, and vector-valued signals...
Hybrid thyristor-controlled series capacitor and passive damping filter
for series capacitors
Provided is a series capacitor for controlling a flow of power on a transmission line, and includes a filter circuit, and a thyristor-controlled circuit,...
Operator adjustable full-bandwidth audio spectral shifting control with a
simple listener interface
A spectral response shifting method allows a listener to shift a system response to match their preferences. The method includes a lookup table of coefficients...
Electronic system of a hybrid amplifier
An electronic system of a hybrid amplifier is described, especially electroacoustic hybrid amplifier comprising a tube voltage amplifier, a tube isolating...
Differential amplifier with high-speed common mode feedback
The differential signals at the outputs of a differential amplifier quickly change in response to common mode changes in the output differential signals. The...
Operational amplifier circuit and method for enhancing driving capacity
An operational amplifier circuit configured to drive a load is provided. The operational amplifier circuit includes an output stage module. The output stage...
Rail-to-rail follower circuits
In some embodiments, a source follower circuit may include a first level shifter configured to receive an input voltage; an N-type Metal-Oxide-Semiconductor...
Wideband bias circuits and methods
The present disclosure includes circuits and methods for wideband biasing. In one embodiment, an amplifier includes a cascode transistor between an input and an...
Perforated channel field effect transistor
A device including a plurality of perforations to a semiconductor channel is provided. The device includes a semiconductor structure forming the semiconductor...
Single-input multiple-output amplifiers with simultaneous multiple gain
A device includes at least one first amplifier circuit configurable to receive and amplify an input radio frequency (RF) signal having a first carrier at a...
System linearization assembly and method for use in modifying distortion
A system linearization assembly generally includes a delay device that receives an input signal from a signal source and delays the input signal by a...
Multi-band amplifier, method for controlling thereof
A multi-band amplifier may include: a first amplifying unit connected to a first antenna stage; a second amplifying unit connected to a second antenna stage;...
Systems, circuits and methods related to multi-mode power amplifiers
having improved linearity
Multi-mode power amplifiers (PAs) having improved linearity. A PA can include an amplifying bipolar junction transistor (BJT) configured to receive and amplify...
Reference amplifier coupled to a voltage divider circuit to provide
feedback for an amplifier
An apparatus includes a voltage divider circuit and a reference amplifier coupled to the voltage divider circuit. The reference amplifier is configured to...
A linearizer includes: an input terminal; an output terminal; a connection point connected between the input terminal and the output terminal; a diode connected...
Slew rate control boost circuits and methods
The present disclosure amplifier circuits and methods having boosted slew rates. In one embodiment, an amplifier circuit comprises an output stage comprising a...
Edge correction to mitigate total harmonic distortion in class D amplifier
A circuit includes an amplifier output stage that includes a high switch and a low switch that generates a pulse width modulated (PWM) output signal to provide...
One example includes an amplifier system. The system includes a precision amplifier portion comprising a first input stage configured to receive an input...
Switchable dual core power amplifier
A dual mode, dual core power amplifier (PA) device includes a plurality of PA chains that generate output power according to an envelope tracking mode and a...
Phase-dependent operational amplifiers employing phase-based frequency
compensation, and related systems and...
Phase-dependent operational amplifiers ("op-amps") employing phase-based frequency compensation, and related systems and methods are disclosed. A ...
Single ended receiver with a multi-port transformer and shared mixer
A single-ended receiver is described. The single-ended receiver includes a multi-port transformer that outputs a differential signal. The multi-port transformer...
Phased locked loop with multiple voltage controlled oscillators
A phased locked loop (PLL) incorporates multiple voltage controlled oscillators including one that operates in a lower frequency range than an operational VCO...
Electronic device, electronic apparatus, and moving object
An electronic device includes a resonator provided with a heating element, and a circuit component opposed to the heating element, and provided with at least an...
A semiconductor device contrived to prevent a reference voltage and a reference current which are supplied to a high speed OCO from varying with a change in...
Solar concentrator configuration with improved manufacturability and
A solar concentrator comprises a pair of concentric reflectors having a spindle toroid geometry for focusing the collected solar radiation into a ring-shaped...
Power generation device, thermal power generation method and solar power
A small sized power generator is provided, being highly efficient in power generation. The power generator can include a heat-light conversion element for...
Switching control device
A switching control device is applied to a motor generator drive system equipped with a boost converter and an inverter. In order to avoid generation of a...
Vehicle-mounted motor driving control board
An object of the present invention is to achieve reductions in size and costs of a vehicle-mounted motor driving control board in a configuration which allows...
Monitoring vibration motor induced voltage slope to control haptic
A method for controlling haptic feedback in an electronic device, in some embodiments, comprises: generating a series of braking pulses to stop vibrations...
Motor-driven appliance system and method for controlling the system
A motor-driven appliance system in one aspect of an embodiment of the present disclosure includes a motor-driven appliance having a motor, at least one control...
Wound-field generator including electrically isolated engine alternator
An isolated power management system includes at least one electronic power generator with a stationary side and a rotational side. The stationary side has an...
Method for damping drive train oscillations in a wind turbine generator
The present invention relates a wind turbine generator with an electrical generator, a dump load unit, for dissipating power, a wind turbine power controller...
Protection system for a power converter connected to a doubly fed
Protection system for a power converter connected to a doubly fed induction generator having a rotor and a stator. The power converter includes a...
Protective functions for parallel generators
A generator system may include two or more generators electrically connected through a generator bus. A controller receives operation data from a first...
Power supply system for a direct-current drive and method for
safety-related disconnection of a direct-current...
An exemplary power supply system for a direct-current drive includes a power converter for at least one direction-dependent two-quadrant operating mode, at...
Rotating electric machine driver and electric power steering device
A rotating electric machine driver apparatus and an electric power steering apparatus using the same includes a controller section that obtains a detected...
Method and architecture for processing electrical energy regenerated from
A method and architecture processing electrical energy regenerated from an aircraft, to address drawbacks posed by customary solutions for dissipating low...
Position limiting device and control method
A position limiting device includes a magnetic element, a detecting element, a motor, and a controller. The magnetic element is disposed in the center of the...
Process for switching power supply of electric engine and associated
device for controlling power supply
A method for switching the voltage supply for an alternating current electric engine between a supply from an ASD and a supply from an electrical network, the...
Piezoelectric generator for supplying power to portable terminal
A piezoelectric generator for power supply of a portable terminal is provided. The piezoelectric generator includes: a portable terminal case which has a...
Piezoelectric energy conversion assemblies
The present invention relates to piezoelectrie energy conversion assemblies. The assembly includes a piezoelectric nanowire (such as a ZnO nanowire), an...
Modular power converters usable alone in a multiphase power converter
A power converter module for use alone or with other modules in a multiphase power converter. The power converter module has an enclosure that surrounds...
Voltage resonant inverter, control method, and surface treatment device
Excitation current is applied to an excitation winding of a step-up transformer by switching an input voltage with a first switching element. Excitation energy...
Decentralized power generation plant having a device and method for
detecting an island network
The invention relates to a device and to a method for monitoring a decentralized power generation plant for feeding into a three-phase network in order to...