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US20150207497 LOW-OFFSET BANDGAP CIRCUIT AND OFFSET-CANCELLING CIRCUIT THEREIN  
A low-offset bandgap circuit including a core bandgap circuit and an offset-cancelling circuit is provided. The low-offset bandgap circuit provides a reference voltage at an output node. The core...
US20110102049 CIRCUIT FOR GENERATING A REFERENCE VOLTAGE WITH COMPENSATION OF THE OFFSET VOLTAGE  
An embodiment of a circuit includes first and second branches, an amplifier, a compensation circuit, and a bias unit. The first and second branches are respectively operable to generate first and...
US20100308886 OFFSET CANCELLING CIRCUIT  
When a voltage is applied from outside such that a current flowing in a Hall element is switched, each of a plurality of capacitors is charged with an output voltage of the Hall element in each...
US20110018605 OFFSET-VOLTAGE CALIBRATION CIRCUIT  
Provided is an offset-voltage calibration circuit. The circuit includes a comparator configured to receive at least two comparison voltages and output a result of a comparison between the...
US20150222252 BUFFER CIRCUIT HAVING AMPLIFIER OFFSET COMPENSATION AND SOURCE DRIVING CIRCUIT INCLUDING THE SAME  
Provided are an output buffer circuit having an amplifier offset compensation function and a source driving circuit including the output buffer circuit. The output butler circuit may include a...
US20150130526 Compensated Temperature Variable Resistor  
A front-end circuit for measurement devices, for example oscilloscopes or digitizers, may implement DC gain compensation using a programmable variable resistance. A MOS transistor may be...
US20110050315 POWER SUPPLY AND DC-DC-CONVERSION  
In an embodiment of a converter, a first oscillator provides switching signals for switching between charging and discharging of a capacitor, and a second oscillator is configured to add an offset...
US20130049840 IMPLEMENTING DIFFERENTIAL RESONANT CLOCK WITH DC BLOCKING CAPACITOR  
A method and circuit for implementing differential resonant clocking with a DC blocking capacitor, and a design structure on which the subject circuit resides are provided. An on-chip inductor and...
US20140152482 COMPARATOR AND CORRECTION METHOD THEREFOR  
A comparator has a comparator circuit to output an output voltage based on a voltage difference between a first and second input voltage, a variable capacitor connected to an output terminal, an...
US20140077860 METHOD AND APPARATUS FOR PERFORMING OFFSET ADJUSTMENT UPON DYNAMIC COMPARATOR  
An offset adjustment circuit of a dynamic comparator has a detection unit and a control unit. The detection unit detects whether a comparator offset possessed by the dynamic comparator is deviated...
US20150091630 RF POWER DETECTOR AND DETECTION METHOD  
The invention provides an RF detection circuit and method using an envelope detector having an output connected to a first input of a differential amplifier and a reference storage capacitor to a...
US20100066426 BASELINE RESTORE BASED ON DIODE STAR CONFIGURATION AND TRANSFORMER COUPLING  
A simple, low cost circuit with only passive components, and thus low power consumption, is provided for baseline restoration of an AC coupled signal. The circuit includes a passive network of...
US20130088276 DRIVER OUTPUT PAD LEAKAGE CURRENT COMPENSATION  
A device includes a sense circuit configured to detect a leakage current from a driver output pad. A current mirror responds to the sense circuit and compensates for the leakage current detected...
US20110037506 DC OFFSET CALIBRATION FOR COMPLEX FILTERS  
Exemplary techniques for DC offset calibration for complex filters are disclosed. A complex filter is provided having a first calibration path circuit and a second calibration path circuit, each...
US20090261882 Skewed Double Differential Pair Circuit for Offset Cancelllation  
A differential system producing differential signals with offset cancellation utilizing a double differential input pair system is disclosed. It uses two parallel differential transistor pairs...
US20100201423 Low-noise DC Offset Calibration Circuit and Related Receiver Stage  
A DC offset calibration circuit has a first resistor, a first switch, a second resistor, and a second switch. The first resistor is coupled to a first supply voltage. The first switch is coupled...
US20140192844 FULLY INTEGRATED DC OFFSET COMPENSATION SERVO FEEDBACK LOOP  
The fully integrated DC offset compensation servo feedback loop is an integrator that measures the output signal DC component, and then feeds back and subtracts the measured DC component from the...
US20130082688 LOW-POWER RF PEAK DETECTOR  
Techniques are disclosed relating to radio frequency (RF) power detection. In one embodiment, a power detection circuit includes a multiplier circuit configured to multiply a first voltage signal...
US20120086494 RECEIVER CIRCUITRY AND RELATED CALIBRATION METHODS  
Apparatus and methods are provided for calibrating and operating a receiver circuit. An exemplary method comprises the steps of applying a first voltage offset to a first input of an amplifier...
US20100231284 Dynamic grounding system and method  
Dynamic grounding including monitoring the floating DC outputs of a power amplifier, detecting an imbalance in the floating DC outputs, generating a compensation signal in response to a detected...
US20110267129 GENERATING A FULL RAIL SIGNAL  
Apparatus, systems, and methods are disclosed, such as those that comprise a center-swing signal generator that includes a push-pull center-swing driver coupled to a common-mode pre-emphasis...
US20110241751 DIFFERENTIAL OFFSET CALIBRATION CIRCUIT  
A differential offset circuit adapted for an adaptive filter of a receiver front end is provided. The differential offset circuit includes four controllable current sources which are respectively...
US20090085632 LOW-OFFSET INPUT CIRCUIT  
In a signal transmission system where an influence of the circuit characteristic variation of an input circuit on signal receiving operation cannot be ignored, there is provided a method of...
US20130120048 DC OFFSET CANCELATION CIRCUIT  
There is provided a DC offset cancellation circuit including: a capacitor circuit unit including at least one capacitor connected between an input terminal and an input of an amplifier; a MOSFET...
US20140191790 OFFSET CANCELLING CIRCUIT AND METHOD  
When a voltage is applied from outside such that a current flowing in a Hall element is switched, each of a plurality of capacitors is charged with an output voltage of the Hall element in each...
US20120194252 METHOD OF SHIFTING AUTO-ZERO VOLTAGE IN ANALOG COMPARATORS  
Aspects of the invention provide, inter alia, techniques for shifting auto-zero voltage in analog comparators. An embodiment of the invention may include at least one diode configured transistor...
US20120133800 Offset Canceling Circuit, Sampling Circuit and Image Sensor  
An offset canceling circuit stores charge corresponding to a voltage difference between a reset voltage received from a unit pixel and a reference voltage, thereby canceling an offset of the unit...
US20130300484 OFFSET-COMPENSATED ACTIVE LOAD AND METHOD  
In accordance with an embodiment, an offset-compensated active load includes a pair of transistors having control electrodes connected to their drain electrodes through coupling devices. The...
US20120025889 ASSESSMENT OF ON-CHIP CIRCUIT BASED ON EYE-PATTERN ASYMMETRY  
During an asymmetry testing mode of an integrated circuit, the asymmetry of an on-chip I/O circuit is tested. In particular, a transmitter circuit in the integrated circuit transmits electrical...
US20090121769 OFFSET COMPENSATION CIRCUIT AND YAW RATE SENSOR EQUIPPED THEREWITH  
An offset compensation circuit for a yaw rate sensor, having a subtracter, which is provided for subtracting a correction value from an input signal, the correction value being obtainable by...
US20150188525 DC OFFSET CANCELLATION CIRCUIT  
A DC offset cancellation circuit is provided. A first DC current and a first sensing current are superposed with each other to generate a first superposed current. A second DC current and a second...
US20100045356 DATA PROCESSING SYSTEM FOR CLIPPING CORRECTION  
A device (100) for processing data, the device (100) comprising an integrator unit (103, 104) adapted for integrating an input signal (V1) and a correction unit (101, 102) adapted for correcting a...
US20130234773 FINE RF TRANSCEIVER DC OFFSET CALIBRATION  
An implementation relates to compensating DC offset in a signal path. The signal path may have a plurality of stages, where for each stage a fine DC compensation is performed by introducing a fine...
US20110133966 SWITCHED-CAPACITOR INPUT CIRCUIT AND ANALOG-TO-DIGITAL CONVERTER INCLUDING THE SAME  
A switched-capacitor input circuit which receives an analog input signal, and samples and holds the analog input signal, comprising an amplifier, at least one capacitor, one terminal of the...
US20090140789 CALIBRATION STRATEGY FOR REDUCED INTERMODULATION DISTORTION  
The present disclosure relates to a circuit and method for reducing intermodulation distortion in a non-linear device having a differential output stage. A calibration circuit is provided for...
US20140149654 DATA INDEPENDENT PERIODIC CALIBRATION USING PER-PIN VREF CORRECTION TECHNIQUE FOR SINGLE-ENDED SIGNALING  
A single-ended receiver includes an internal voltage generation circuit to set a first internal reference voltage (Vref). A model voltage generation circuit is configurable to receive an external...
US20090174456 DC Offset Correcting Device And DC Offset Correcting Method  
A signal generator generates a test signal including a positive signal and a negative signal which have the same amplitude. The signal generator corrects a DC level of the test signal based on a...
US20100039158 OFFSET CORRECTION DEVICE AND METHOD  
A direct-current-offset correction device includes a digital-to-analog converter that converts a digital signal into an analog signal, a modulator that modulates the analog signal to generate a...
US20110121880 DC OFFSET CANCELLATION CIRCUIT  
A DC offset cancellation circuit includes: a control signal generation unit generating i (i is a natural number) number of pulse signals having a pulse width corresponding to a DC offset amount; a...
US20080129364 Dead band reduction in electronically controlled valves  
An apparatus includes dead band reduction circuitry. The dead band reduction circuitry includes an input configured to receive an input signal and an output configured to provide an output signal....
US20130328609 BACKGROUND TECHNIQUES FOR COMPARATOR CALIBRATION  
A method and a corresponding device for performing a background calibration of a comparator in a circuit having a plurality of stages that are connected in a pipelined fashion to an input signal....
US20140253205 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 capacitor to provide an offset...
US20150054559 DC RESTORATION FOR SYNCHRONIZATION SIGNALS  
In one example implementation, the present disclosure provides a direct current (DC) restoration circuit for restoring the DC component of a synchronization signal provided over an alternating...
US20090212839 CIRCUIT FOR SETTLING DC OFFSET IN DIRECT CONVERSION RECEIVER  
The present invention discloses a circuit for settling DC offset and controlling RC time-constant in a direct conversion receiver. The circuit includes a variable resistive unit for providing a...
US20140029128 Saturation-Based Loop Control Assistance  
The present inventions are related to systems and methods for data processing, and more particularly to data processing using distortion-correction loops with saturation-based assistance.
US20090160522 DC RESTORATION CIRCUIT ALLOWING SPARSE DATA PATTERNS  
The present invention provides a device for restoring a DC component in a differential digital data stream. The device comprises a first and second peak detector for detecting peaks in the...
US20110057704 METHOD FOR DETECTING A CURRENT AND COMPENSATING FOR AN OFFSET VOLTAGE AND CIRCUIT  
A method and circuit for detecting a current and compensating for an offset voltage. The circuit includes two comparators where one of the comparators has two input terminals and the other...
US20090261918 DC OFFSET CANCELLATION CIRCUIT FOR MODULATOR USING 1-BIT SIGNAL CONVERSION  
A DC offset cancellation circuit used for compensating a carrier leak at an output signal of a modulator has a sign extraction unit for extracting sign of an information signal which is applied to...
US20110074505 Offset Voltage Calibration Method and Apparatus and Amplifier Thereof  
An offset voltage calibration method is disclosed, which is utilized for calibrating an offset voltage of an electronic device during a calibration period. The offset voltage calibration method...
US20140118048 Offset Cancel Circuit  
An offset cancel circuit includes a first amplifying section, a second amplifying section, a third resistor connected between a non-inverting input terminal of the first amplifying section and a...

Matches 1 - 50 out of 139 1 2 3 >