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Voltage regulator with load compensation
A voltage regulation system provides a relatively stable voltage source without introducing the typical costs of a ground buffer. The disclosed voltage...
Quantum interference device, atomic oscillator, electronic apparatus, and
An atomic oscillator includes a gas cell into which alkali metal atoms are sealed, a light emitting portion that emits excitation light including a pair of...
Atomic oscillator and interrogation method of coherent population trapping
An atomic oscillator includes an alkali-metal cell in which alkali-metal atoms are enclosed, a light source which irradiates the atoms in the alkali-metal cell...
An oscillator device comprises an oscillation circuit configured to generate and provide an oscillating signal. A first biasing circuit is configured to derive...
Crystal oscillator noise compensation method for a multi-loop PLL
A multi-loop phase locked loop (PLL) system with noise attenuation has a first PLL including a local oscillator, a second PLL coupled to an output of the first...
Increased synthesizer performance in carrier aggregation/multiple-input,
Certain aspects of the present disclosure provide methods and apparatus for using multiple voltage-controlled oscillators (VCOs) to increase frequency...
Digitally controlled oscillator and electronic device including the same
Provided are a digitally controlled oscillator and an electronic device including the digitally controlled oscillator. The digitally controlled oscillator...
Phase detector and phase-locked loop
A phase detector for generating a phase difference signal indicative of a phase difference between a first bi-level signal of frequency F1 and a second bi-level...
Double phase-locked loop with frequency stabilization
A double phase-locked has a first phase-locked loop including a first narrowband loop filter configured to reduce phase noise in a first input clock, and a...
Locked-loop quiescence apparatus, systems, and methods
Apparatus, systems, and methods disclosed herein may initialize a delay-locked loop (DLL) or phase-locked loop (PLL) to achieve a locked condition and may then...
Oscillator devices and methods
Oscillator devices and corresponding methods are disclosed. In some embodiments an apparatus includes an oscillator circuit arrangement, a frequency variable...
Oscillator, electronic device and moving object
An oscillator includes an oscillation element; an oscillation circuit which causes the oscillation element to oscillate; a heat generation element which heats...
Method of adjusting frequency of resonation device and method of
manufacturing resonation device
A method of adjusting a frequency of a resonation device including a resonator element and a heating element includes performing the frequency adjustment of the...
Low phase noise frequency divider
A low phase noise frequency divider suitable for use in phase locked loops (PLL) and frequency synthesizers, particular in a fractional-N PLL system having an N...
Compact ReRAM based FPGA
A push-pull resistive random access memory cell circuit includes an output node, a word line, a first bit line, and a second bit line. A first resistive random...
Voltage level shifter
A method for voltage level shifting comprises several steps. A data signal in a first voltage domain is received by a voltage level shifter. The received data...
Stabilization of output timing delay
An integrated circuit includes an output buffer and a control circuit. The output buffer has a signal input, a signal output, and a set of control inputs. The...
Universal input buffer
A universal input buffer has a pair of input pins. A first input of a multiplexer is coupled to the second input pin and a second input of the multiplexer...
Integrated circuits with programmable overdrive capabilities
Integrated circuits are provided with circuitry such as multiplexers that can be selectively configured to route different power supply voltages to different...
Logic circuit and semiconductor device
The logic circuit includes an input terminal, an output terminal, a main logic circuit portion that is electrically connected to the input terminal and the...
Semiconductor device including inverter gate circuit with connection
configuration switch circuit switching...
According to one embodiment, a semiconductor device includes: an inverter gate circuit which inverts and outputs a logic level of an input signal, the inverter...
Circuit and method of driving the same
In order to reduce power consumption, an arithmetic circuit having a function of performing a logic operation processing based on an input signal, storing a...
Circuit and method for powering an integrated circuit having first and
second power regulators respectively...
Power supply is facilitated. In accordance with one or more embodiments, a power regulator circuit includes first and second regulators and a controller for...
Load impedance adjustment for an interface of a data storage device
A data storage device includes a signal source. A load is responsive to the signal source. A method includes adjusting an impedance of the load to reduce an...
Dynamically reconfigurable capacitive sensor array
In a keyboard of the type including a key cap and a capacitive sensor disposed underneath the key cap, a method including operating the capacitive sensor in a...
Measuring body capacitance effect in touch sensitive device
Measuring an effect of body capacitance in a touch sensitive device is disclosed. This effect can be caused by poor grounding of a user or other objects...
Frequency hopping algorithm for capacitance sensing devices
Apparatuses and methods of frequency hopping algorithms are described. One method listens to a noise level on multiple electrodes of a sense network at multiple...
Provided is a switch circuit capable of reliably controlling the transmission or interruption of a voltage of from GND to VDD to an internal circuit even when a...
Scan driving circuit
A scan driving circuit is disclosed, and the scan driving circuit has a pull-up control module, a pull-up module, a pull-down module, a pull-down maintaining...
Circuits, methods, and systems with optimized operation of double-base
bipolar junction transistors
The present application teaches, inter alia, methods and circuits for operating a B-TRAN (double-base bidirectional bipolar junction transistor). Exemplary base...
High performance IGBT gate drive
High performance gate drives and methods for driving semiconductor switching elements, such as insulated gate bipolar transistors (IGBTs), are provided. The...
Load drive circuit
A switch electrically connected to a first terminal and a second terminal. A first comparator detects a load open state where the switch is off and a load is...
Switching control circuit for target switching element
In a switching control circuit, a determiner determines whether there is one of a first type of abnormality and a second type of abnormality different therefrom...
Power switch driving circuits and power converters thereof
In one embodiment, a power switch driving circuit can include: (i) an upper switch having a first power terminal coupled to a voltage source, and a second power...
Anti-ringing technique for switching power stage
A driver may provide a transition of a switch between an on state and an off state in two stages. In the first stage, the voltage slew rate of the voltage at an...
Gate driver, method of driving display panel using the same and display
apparatus having the same
A gate driver includes a plurality of stages respectively outputting a plurality of gate output signals. An N-th stage of the gate driver (where N is a positive...
Open-loop correction of duty-cycle error and quadrature phase error
A Phase Interpolator (PI) may be employed as a precisely-controlled delay element in a transmit path, for example in clock forwarded serial links. Methods and...
Zero-crossing detection circuit and method for synchronous step-down
In one embodiment, a zero-crossing detection circuit for a synchronous step-down converter, can include: (i) a state determination circuit configured to compare...
An embodiment of a detector includes first and second generators. The first generator is operable to receive a transition of a first signal and to generate in...
Pulse generating circuit for audio-frequency amplifiers and regulated
A circuit for generating a series of pulses in response to a first signal, the circuit comprising: a lossy integrator which receives a second signal as its...
Frequency doubler and related method of generating an oscillating voltage
A frequency doubling device suitable to generate an output terminal voltage oscillating at a differential frequency double the frequency of the input...
Circuits and methods for DFE with reduced area and power consumption
A 1/n-rate decision feedback equalizer (DFE) and method include a plurality of branches. Each branch includes a separate summer circuit configured to add a...
Fully differential level conversion circuit
A fully differential level conversion circuit includes a positive signal branch, a negative signal branch and a coupling branch. The negative signal branch has...
Injection locked ring oscillator circuit with an analog quadrature
A ring oscillator includes a first delay stage generating a first phase signal and a second delay stage generating a second phase signal. Each of the first and...
Systems, methods and apparatus for voltage clamping
A voltage clamping system includes: (a) a first electronic device connected to a first power source and having a signal output node, a voltage clamp high node,...
Wideband FM demodulation by injection-locked division of frequency
A novel and useful wideband FM demodulator operating across an 8 GHz IF bandwidth for application in low-power, wideband heterodyne receivers. The demodulator...
Digital step attenuator with reduced relative phase error
An apparatus for selectively providing attenuation with minimal relative phase error. A Digital Step Attenuator (DSA) is implemented on an integrated circuit...
Ultra-low-voltage current-reuse voltage-controlled oscillator and
According to one aspect of the present disclosure, an ultra-low voltage current reused voltage-controlled oscillator and transconductance-capacitor filter is...
Cavity filtered qubit
A technique relates to a microwave device. A qubit is connected to a first end of a first coupling capacitor and a first end of a second coupling capacitor. A...
Piezoelectric thin-film resonator, method for fabricating same, filter and
duplexer having an interposed film
A piezoelectric thin-film resonator includes: a substrate; a piezoelectric film having a lower piezoelectric film provided on the substrate and an upper...