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Switching device having a good isolation characteristic, method for
improving the isolation characteristic of a...
A switching device having a good isolation characteristic is disclosed. The switching device comprises a switch unit and a control unit, wherein the control...
Current comparator and electronic device including the same
A current comparator may include a current comparison block configured to compare current flowing through first and second input terminals; a first current...
Semiconductor device and semiconductor system including the same
A semiconductor system includes a first semiconductor device including an offset signal generation circuit configured to compare at least one sensing code and a...
A circuit includes a first power node, an output node, a driver transistor coupled between the first power node and the output node, and a contending circuit....
Self-cascadable phase shifter
A self-cascadable phase shifter having a two corresponding pairs of input and output pins. Each pair of input and output pins are interconnected by phase delay...
Data and clock signal voltages within an integrated circuit
An integrated circuit 2 has data processing circuitry processing a data signal passing along a data path 14. Clocked circuitry coupled to the data processing...
Variable frequency circuit controller
Apparatus and methods for distributing spurious tones through the frequency domain are disclosed. One such apparatus can include a dithering circuit configured...
Very low power real time clock
A very low power real-time clock is provided. The real-time clock includes a real-time clock core and a real-time clock controller, both included in an...
Bias circuit having second order process variation compensation in a
current source topology
A bias circuit includes second order process variation compensation in a current source topology having a compensation transistor operating in saturation mode...
Noise removing circuit and current sensing unit including the same
A noise-removing circuit includes a first capacitor to charge a first voltage supplied to a first node during a first period in which a first switching control...
Sharp programmable filters using periodically time-varying components
A method and apparatus for selective programmable filtering using analog circuits with time-varying components (e.g., resistances, capacitances) is presented....
Border ring mode suppression in solidly-mounted bulk acoustic wave
Embodiments provide a solidly-mounted bulk acoustic wave (BAW) resonator and method of making same. In embodiments, the BAW resonator may include one or more...
Elastic wave filter
An elastic wave filter includes a piezoelectric substrate, an input side IDT electrode, an output side IDT electrode, and a reflector. At least one IDT...
Acoustic wave bandpass filter comprising integrated acoustic guiding
An acoustic wave bandpass filter comprises at least an input first acoustic wave resonator with an output surface, and an output second acoustic wave resonator...
Resonator, oscillator, electronic apparatus, physical quantity sensor, and
A resonator includes a resonator device, a package on which the resonator device is mounted, and conductive adhesives which fix the resonator device to the...
Bulk acoustic wave (BAW) resonator structure having an electrode with a
cantilevered portion and a...
A bulk acoustic wave (BAW) resonator, comprises: a first electrode; a second electrode comprising a plurality of sides. At least one of the sides comprises a...
Wireless transceiver with function of adjustment for frequency-band
matching and the adjusting method therefor
The present invention is related to a wireless transceiver with function of adjustment for frequency-band matching and the adjusting method therefor, mainly...
Impedance matching device, linear motion module, and radio frequency power
An impedance matching device includes a first variable capacitor connected to an RF power source and including a first shaft moving linearly, a first linear...
Controlled large signal capacitor and inductor
An electrical resonance network comprising a first capacitor and a first inductor whose resonance frequency can be tuned by means of a second capacitor and/or a...
Programmable phase shifter with tunable capacitor bank network
Methods and apparatus, including computer program products, are provided for a programmable phase shifter. In some example embodiments, there is provided an...
Thin film surface mount components
Surface mount components and related methods involve thin film circuits between first and second insulating substrates. The thin film circuits may include...
Gain control for an audio signal
A method and system for modifying an audio signal, the method comprising: receiving the audio signal at signal processing means; analysing the received audio...
Electronic device and method for adjusting volume
An electronic device and volume adjusting method detect ambient light and generate corresponding intensity signals via a sensor. Programs in a storage device,...
Apparatus and a method for amplifying a transmit signal
An apparatus for amplifying a transmit signal includes a power amplifier module arranged within a transmit path to be coupled to an antenna module. The power...
Power amplifier having an integrated microcontroller
In an embodiment, a power amplifier (PA) includes a signal processing path including gain stages to receive a radio frequency (RF) signal and to output an...
Audio control using auditory event detection
In one disclosed aspect, modifications are applied to an audio signal at least partly in response to auditory events. In another aspect, an input channel is...
Nanoscale electromechanical parametric amplifier
This disclosure provides systems, methods, and apparatus related to a parametric amplifier. In one aspect, a device includes an electron source electrode, a...
Differential amplification circuit
A differential amplification circuit includes: a first input node; a second input node; a first output node; a second output node; a first transistor having a...
Method and apparatus for outputting audio signal
An apparatus for outputting audio signals. The apparatus for outputting audio signals includes a pulse density modulation (PDM) unit for PDM modulating an input...
Semiconductor package having an isolation wall to reduce electromagnetic
A system and method for packaging a semiconductor device that includes a wall to reduce electromagnetic coupling is presented. A semiconductor device has a...
System, method and device for power amplification of a signal in an
According to an aspect of present disclosure, a set of power amplifiers are used to amplify power of a signal for transmission. The signal powers from a set of...
Dual-band semiconductor RF amplifier device
There is described a dual-band semiconductor RF amplifier device. The device comprises (a) a transistor (205) having an output capacitance (C.sub.O), (b) a...
Pre-distortion method, associated apparatus and non-transitory machine
A pre-distortion method includes: receiving an input data; and obtaining a pre-distortion output by inputting the input data into a pre-distortion function,...
Bandwidth-extended Doherty power amplifier
The present invention provides a new structure of Doherty power amplifier. The present invention reduces use of 1/4 wavelength lines and lowers the Q point of...
Preamplifier, optical receiver, optical termination device, and optical
A current bypass circuit that passes part of a photocurrent output from a photodetector is connected to an input terminal of a current-to-voltage conversion...
Systems and methods related to linear and efficient broadband power
Systems and methods related to linear and efficient broadband power amplifiers. A power amplifier (PA) system can include an input circuit configured to receive...
Methods and apparatus for calibrating for transconductance or gain over
process or condition variations in...
An apparatus is provided. The apparatus includes a calibration circuit configured to generate a reference signal and at least one differential circuit each...
Communications based adjustments of an offset capacitive voltage
A parallel amplifier and an offset capacitance voltage control loop are disclosed. The parallel amplifier has a parallel amplifier output, which is coupled to...
Harmonic rejection mixer arrangement
It is disclosed a mixer arrangement for complex signal mixing comprising a first harmonic rejection mixer, and a second harmonic rejection mixer. Each of the...
Method and apparatus to detect LO leakage and image rejection using a
LO leakage and Image are common and undesirable effects in typical transmitters. Typically, thirty complex hardware and algorithms are used to calibrate and...
Inspection apparatus and inspection method
An inspection apparatus includes an irradiation part that emits plural pieces of pulse light having different wavelengths to irradiate a multi-junction type...
Solar powered satellite system
A solar powered satellite system is provided. A power control system, for example, of the solar powered satellite system may include, but is not limited to, a...
Protective covering for roof mounted systems
A protective covering helps to prevent fastener leaks from roof installed fasteners, which are used to mount roofing systems, such as a solar panel installation...
Rotation-speed-controlled fan with control of the power consumption of the
An electric fan has a drive motor having a fan rotor, an apparatus for generating a rotation speed signal (n_i), an apparatus for generating a power level...
Motor control device and motor control system
A motor control device includes: a control processing unit that controls driving of a motor based on a command signal input from a controller so as to command...
Control method of washing machine
Disclosed is a control method of a washing machine. The method includes performing first-stage rotation in which a drum is rotated at a predetermined rotational...
Control for multi-phase induction motor
A method of controlling operation of a multi-phase induction motor may include transmitting a low-speed operation signal by a master computer to a control...
Dynamic reconfiguration-switching of windings in an electric motor
Dynamic reconfiguration-switching of motor windings is optimized between winding-configurations. Acceleration is traded off in favor of higher velocity upon...
Sensorless control apparatus for synchronous motor and inverter apparatus
According to one embodiment, a sensorless control apparatus for a synchronous motor, includes a PWM processing unit which pulse-width-modulates a three-phase...
Controlled frequency generator with optimized power factor
Apparatus for generating and supplying electrical power to AC loads on an aircraft may include a prime mover, an exciter generator rotatably coupled to the...