At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Fast frequency estimator
In one aspect, the invention provides a method implemented by an analog hardware circuit for fast frequency estimation. The analog circuit may be implemented a...
Adjusting the magnitude of a capacitance of a digitally controlled circuit
An apparatus comprises a digitally controlled circuit having a variable capacitance and a controller configured to adjust a magnitude of the variable...
Prediction based digital control for fractional-N PLLs
Methods and systems for phase correction include determining a phase error direction and generating a prediction for the phase error based on a sigma-delta...
Semiconductor device including a clock adjustment circuit
Disclosed herein is a semiconductor device that includes a first circuit comprising a plurality of first logic elements coupled in cascade and configured, in...
Automatic selection of on-chip clock in synchronous digital systems
Embodiments of a synchronous digital system are disclosed that may include generation of clock and synchronization signals. Any of a plurality of available...
Oscillation circuit, oscillator, electronic apparatus, moving object, and
frequency adjustment method of oscillator
An oscillation circuit includes a voltage controlled oscillation circuit that includes a variable capacitance circuit provided with a variable capacitance...
Circuits and method of equalizing impedances of PMOS and NMOS devices
A circuit for equalizing the impedances of a PMOS device with an NMOS device includes a first reference voltage coupled to the source of the first PMOS device....
Interface and related method for connecting sensor equipment and a
An interface to connect sensor equipment and a physiological monitor includes a first connector to receive power from a first channel of the monitor and a...
Method and device for managing the time transition of a CMOS logic circuit
as a function of temperature
A method includes generation of a first current proportional to absolute temperature and formation of a second current representative of the temperature...
Phase locked loop (PLL) circuit with compensated bandwidth across process,
voltage and temperature
A phase locked loop (PLL) circuit includes a phase comparison circuit configured to compare phase of an input signal to phase of a feedback signal and generate...
CMOS oscillator having stable frequency with process, temperature, and
A clock signal generation circuit configured to generate the clock signal having a frequency that is maintained across variations in a number of operating...
Synchronization system and frequency divider circuit
In a synchronization system, a frequency divider circuit generates a divided clock by dividing a reference clock in a first division ratio. First and second...
Background auto-refresh apparatus and method for non-volatile memory array
A method for automatically refreshing a non-volatile memory array in the background without memory interruption includes selecting an unrefreshed segment of the...
System level interconnect with programmable switching
A plurality of functional elements are all located on a same integrated circuit wherein at least one of the functional elements comprises a micro-controller. A...
Continuous time linear equalization for current-mode logic with
The present invention is directed to data communication systems and methods. More specifically, embodiments of the present invention provide a CML that uses one...
A post driver comprises a source follower and a first sub-unit. The source follower includes an input to receive a first voltage from a pad, and an output to...
Semiconductor device and high side circuit drive method
Aspects of the invention can include a pulse generating means that outputs a set signal and reset signal for driving the high potential side switching element...
Low-power high swing CML driver with independent common-mode and swing
A low-power high-swing current-mode logic (CML) driver circuit includes a first differential-pair and a second differential-pair. The first differential-pair...
Nand gate circuit, display back plate, display device and electronic
The NAND gate circuit includes at least two input transistors, at least two pull-up modules and at least two input control transistors. A first electrode of...
Integrated circuit including circuits driven in different voltage domains
Provided is an integrated circuit including circuits driven in different voltage domains. The integrated circuit includes a logic circuit configured to be...
Low-power level-shift circuit for data-dependent signals
A low-power level-shift circuit for data-dependent signals includes a buffer circuit, a coupling capacitor, and a biasing circuit. The buffer circuit is biased...
Input control circuit for analog device
An input control circuit that can be used to drive analog switches of analog modules such as an analog-to-digital converter (ADC) enables a sampling switch to...
Gate driver and display device using the same
A gate driver comprises an i.sup.th stage gate driver circuit including a latch circuit and a first output circuit. The latch circuit includes a first input for...
High-swing voltage mode driver
A high-swing voltage mode driver is provided that is operably coupled to a Serializer/Deserializer (SerDes) chip. The high-swing voltage mode driver can operate...
Gate driving circuit and driving method thereof
A gate driving circuit and a driving method thereof are provided. The gate driving circuit includes a control signal generator and at least one gate channel...
Semiconductor device and cascode circuit
A semiconductor device and a cascode circuit are disclosed herein. The semiconductor device includes a first transistor and a second transistor. The first...
The semiconductor device includes first and second output terminals each coupled to one end side and another end side of an inductive or capacitive load, a...
High voltage switch
A high-voltage switching device is formed by: connecting a number of normally-on transistors, such as JFETs, in series with each other, where the drain of each...
Active biasing in metal oxide semiconductor (MOS) differential pairs
Apparatus and methods advantageously maintain transistors of open-drain differential pairs biased in the saturation region when "active," rather in than the...
Apparatus for controlling comparator input offset voltage
An apparatus to remove an input offset voltage of a comparator circuit includes an input voltage offset capacitor, control logic to charge and discharge the...
Button detecting circuit
The present disclosure illustrates a button detecting circuit and method thereof. The button detecting circuit includes a determining circuit, a voltage...
In several embodiments of the invention, a programmable architecture for FIR filters includes a tapped delay chain and a number of different slices. Each slice...
Ramp signal generator and image sensor including the same
A ramp signal generator includes a rising-edge current unit, a falling-edge current unit and a current-voltage converter. The rising-edge current unit provides...
Method for the operation of electrostatic precipitators
The disclosure relates to a method for the scheduling and/or the operation of a system of at least two power supplies (11) providing DC pulses to a consumer...
Detecting method and device for suppressing interference of low-frequency
The invention, upon receiving an input signal, sums the absolute values of the difference of each pair of values adjacent to each other within a series of...
A receiving circuit includes first input transistors of a first conductivity type including control terminals to which differential input signals are applied;...
Power supply control
An integrated circuit includes a clock generation stage that generates a clock signal having a clock frequency dependent on a reference signal. A delay stage...
Buffer offset modulation
One or more techniques for buffer offset modulation or buffer offset cancelling are provided herein. In an embodiment, an output for a sigma-delta analog...
Elastic wave device with integrated inductor
An elastic wave device includes an interdigital transducer (IDT) electrode disposed on an upper surface of a piezoelectric substrate, a wiring electrode...
Microwave acoustic wave filters
An acoustic microwave filter comprises an input and an output, and a plurality of acoustic resonators coupled between the input and the output. The difference...
Laterally coupled BAW filter employing phononic crystals
An acoustic wave bandpass filter comprises at least two bulk acoustic wave resonators, laterally coupled to each other acoustically, each resonator including a...
Piezoelectric device with a package including a convex part
A piezoelectric device includes: a piezoelectric vibrating reed; and a package, wherein the piezoelectric vibrating reed has a vibrating part and first and...
Resonant device with piezoresistive detection and with a resonator
connected elastically to the support of the...
A resonant device with piezoresistive detection and with a resonator connected elastically to the support of the device, and method for manufacturing the...
Impedance tuner with adjustable electrical length
Single and multi-probe slide screw impedance tuners use a slabline filled with dielectric and the same probe and center conductor as in air. The dielectric...
The invention relates to a coaxial-impedance synthesizer, comprising: a longitudinal central (0x) conductor (1); an outer conductive tube (2) arranged coaxially...
Wireless communication device
In a wireless communication device, baseband variable gain amplifiers amplify a baseband signal. Mixers convert the amplified baseband signal into a...
Programmable gain amplifier with controlled gain steps
Provided is a programmable gain amplifier that includes controlled gain steps that dynamically control an output voltage in real-time. The programmable gain...
Audio clipping prevention
Audio clipping is prevented by attenuating an audio signal in accordance with values retrieved from a gain table. Corresponding amplitude values of a stereo...
Method of reducing un-correlated noise in an audio processing device
An audio processing device comprises a multitude of electric input signals, each electric input signal being provided in a digitized form, and a control unit...
Radio frequency composite Class-S power amplifier having discrete power
A composite amplifier providing digitally selectable amplification includes a plurality of channels and a combiner. Each of the channels includes a digitally...