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Memory interface receivers having pulsed control of input signal
Receivers for memory interfaces and related methods are disclosed having pulsed control of input signal attenuation networks. Embodiments include a DC common...
A filter device includes a first signal terminal, a second signal terminal, a filter unit, a first inductor and a second inductor. The filter unit is connected...
Resonator element, resonator, oscillator, electronic device and mobile
A resonator element includes a quartz crystal resonator blank provided with a base portion, vibrating arms extending from one end side of the base portion, a...
Search and navigation to specific document content
A computer-implemented system and method for search and navigation on a network to find and display specific search identified information in documents. Queries...
Piezoelectric thin film resonator, filter and duplexer including a film
inserted in the piezoelectric film
A piezoelectric thin film resonator includes: a piezoelectric film provided on a substrate; a lower electrode and an upper electrode sandwiching at least a part...
Sound processing apparatus, sound system and sound processing method
A sound processing apparatus processes a first sound signal and a second sound signal. The sound processing apparatus includes a first adjustor which adjusts a...
Earbuds and earphones for personal sound system
A personal sound system includes a portable electronic device that provides an analog audio signal to an audio output; an earphone system, connected by wire to...
High speed, rail-to-rail CMOS differential input stage
An apparatus is provided, comprising a single-ended input stage with signals IN_P & IN_N as input and OUT_P & OUT_N as output, wherein the differential input...
Ready-flag circuitry for differential amplifiers
Ready-flag circuitry for differential amplifiers. In some embodiments, a semiconductor device may include an amplifier including two inputs, and a ready-flag...
Apparatus and methods for chopper amplifiers
Apparatus and methods for chopper amplifiers are provided herein. In certain configurations, a chopper amplifier includes at least one differential transistor...
Integrated audio amplification circuit with multi-functional external
An audio amplification circuit may include an input terminal for receipt of an input signal from a transducer. A signal processor may be coupled to the input...
Audio amplifier with an enhanced current limiter using a proxy signal
An audio amplifier comprising an input block, a plurality of switches, an output filter, a current monitor and a proxy signal generator is provided. The input...
Buffer amplifier circuit
Amplifier circuits implemented with a buffer amplifier with a voltage gain substantially equal to one. In one example, a continuous-time amplifier is...
Broadband linear amplifier architecture by combining two distributed
A broadband linear amplifier including an input, a first distributed amplifier coupled to the input and having a bias for one of Class A or Class AB operation,...
Analog baseband filter for radio transceiver
An analog baseband filter for a radio transceiver is provided. An analog baseband filter for a multi-mode multi-band radio transceiver includes a ...
Family of slew-enhanced operational transconductance amplifiers
Operational transconductance amplifiers (OTAs) with enhanced slew rate are disclosed. An OTA can have a main amplifier and pre-amplifier gain stage to increase...
Logarithmic amplifier with universal demodulation capabilities
A logarithmic amplifier (LDA) is described that includes an amplifier configured to oscillate a modulated input signal, a feedback establishing a 180 degree...
Multi-mode integrated power amplifier
A method and apparatus are disclosed for transmitting communication signals through a multi-mode power amplifier. For at least some embodiments, a communication...
Control loop for amplification stage
There is disclosed a method and apparatus for generating an output signal comprising a replica of an input signal, comprising the steps of: generating a replica...
Circuit, integrated circuit, receiver, transceiver and a method for
amplifying an input signal
A circuit according to an example includes an immitance converter amplifier based on a plurality of transistors of a first conductivity type and a supply...
Capacitor arrangement for oscillator
In an example embodiment, an apparatus includes an LC circuit having a capacitive circuit and an inductive circuit connected in a circuit loop. In a first mode,...
Circuits for and methods of implementing a dual-mode oscillator
A circuit for implementing a dual-mode oscillator is disclosed. The circuit comprises a first oscillator portion having a first inductor coupled in parallel...
Fine tuning control for a digitally controlled oscillator
Methods, apparatuses, and systems for providing a variable capacitance using an array of capacitor cells are discussed. In the fine tuning bank of an...
Relaxation oscillator with current and voltage offset cancellation
A relaxation oscillator reduces temperature sensitivity and phase noise at low offset frequency by periodically swapping a first current and a second current so...
String continuity monitoring
A system and method of monitoring a photovoltaic (PV) installation includes providing a string of multiple panel interface device enabled PV panels; operatively...
Motor drive system data interface system and method
A motor drive system includes a motor drive processor, a motor drive memory component, a server, and a display that displays a machine readable code, wherein...
Method and apparatus for controlling an electric motor employed to power a
An electric motor powers a fluidic pump fluidly connected to a hydraulic circuit. Operating the electric motor includes determining a heat transfer coefficient...
Motor controller having abnormality detection function of power
transmission unit between motor and main shaft
A motor controller includes: a motor rotation angle acquisition unit acquiring the rotation angle of the motor; a main shaft rotation angle acquisition unit...
Control device of AC motor
A control device of a three-phase AC motor includes: an inverter for driving the motor; a current sensor for sensing a current; and a control means for...
Vibration damping control apparatus for vehicle, vibration damping control
system for vehicle, and vehicle...
A vibration damping control apparatus for a vehicle is applied to a vehicle that includes: a generator that is driven by an internal combustion engine to...
Method and device for operating an operating table
The invention relates to a method and a device for operating an operating table (30) comprising a plurality of components (32 to 46) which are adjustable by...
Sensorless control method for motor and system using the same
A sensorless control method for a motor performed by a sensorless controller including a back electromotive force (EMF) observer and a phase locked loop (PLL)...
Driver circuit and method
An amount of a motor drive current is controlled to an appropriate value. Two coils are provided, and a rotor is rotated by the coils by setting different...
Control device for eliminating malfunctions in a network
Electrical malfunctions in a network which are caused by torque fluctuations of an electric motor, in particular flicker, are reduced by using a control device....
Power source control apparatus for rotating electrical machine
A power source control apparatus for a rotating electrical machine includes a TRC optimum voltage output portion (21) and a GEN optimum voltage output portion...
Method of operating a variable speed motor in a laundry treatment
A method of operating a laundry treatment apparatus, in particular a washing machine, a laundry dryer, a heat pump laundry dryer or a washing machine having a...
Gradient coil assemblies having conductive coil portions and screening
An MRIS gradient coil assembly 2A comprising a first coil layer comprising a first conductive coil portion 3X and a second coil layer comprising a second...
Method for automatically controlling an electrohydraulic pressing tool
In the case of a method for automatically controlling an electrohydraulic pressing tool, in particular for producing pipe connections, to actuate the pressing...
Rotary positioning device
The present invention relates to a rotary positioning device (100, 100', 100'') comprising a circular magnetic track (110) generating a magnetic field across a...
Multiaxial driving apparatus
A part of bus-voltage smoothing capacitors within a multiaxial driving apparatus is usable as a power-assisting electric storage device for storing regenerative...
Slave circuit for distributed power converters in a solar module
An inverter device for a solar module. The inverter device comprises a slave circuit device that includes an input comprising a DC input from a solar cell group...
Bidirectional power conversion with fault-handling capability
A power conversion system includes a unipolar bidirectional power converter with DC terminals and a first controller, and a bipolar bidirectional power...
Control method for rectifier of switching converters
A control device for a transistor of a switching converter rectifier generates a control signal of the transistor and includes a circuit to measure the...
Method and apparatus for turning on a lighting device
Aspects of the disclosure provide a method. The method includes regulating a time for turning on a switch to transfer energy via a transformer in a first...
Drive train comprising a doubly-fed electric machine and an inverter
controlled according to a law limiting the...
A drive train comprising an electric machine including a rotor and a stator, the stator being connected to an alternating grid and having a stator frequency,...
Load driver and luminaire including the load driver
Various embodiments relate to a load driver and a luminaire including the load driver. The load driver may include a voltage limiting circuit including a first...
Load control device for high-efficiency loads
A load control device for controlling the power delivered from an AC power source to an electrical load includes a thyristor, a first current path for...
DC-DC converter and semiconductor integrated circuit
In a mode comparator of the DC-DC converter, a threshold input to the mode comparator is switched to a first threshold, if a mode signal prescribes an active...
Power supply and image forming apparatus
The power supply includes a transformer, a first switching element for performing a switching operation of turning on and off a voltage input to a primary side...
Switching converter and AC adapter using the same
Disclosed herein is a switching converter capable of preventing a period in which a switch SW of a primary side is turned on and a period in which a synchronous...