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US20110238357 Self calibrating cable for a high difinition digital video interface  
An HDMI cable may exhibit frequency dependent signal attenuation, inter symbol interference, and inter-pair skew. A boost device integrated with the cable can compensate for such impairments of...
US20080004825 Optimized transmission of signals between a disk drive controller and a motor controller using a serial port  
Herein described are at least a method and a system for prioritizing the transmission of one or more types of signals through a serial port. Various aspects of the present invention may be...
US20110040509 High Resolution Time Interpolator  
The present subject matter is directed to a high-speed high resolution and accuracy time interpolator circuit. The interpolator uses basic dual ramp time-to-digital converter architecture, but...
US20130226495 Method and Apparatus for Adaptive Display Calibration  
A calibration system may be provided for calibrating displays in electronic devices during manufacturing. The calibration system may include calibration computing equipment and a test chamber...
US20080015806 Procedure to diagnose an electrical circuit  
Procedure to diagnose an electrical circuit for the operation of actuators of an internal combustion engine, in which the circuit is checked for electrical errors, and whereby information from a...
US20140316735 Protection Device and Calibration Method Thereof  
The present invention discloses a protection device and a calibration method thereof. The protection device includes a sensing circuit and a detection circuit. The detection circuit includes: a...
US20130096864 APPARATUS FOR CALIBRATING TEST VALUE OF CURRENT  
An apparatus is configured for calibrating a test value of an output current of a digital power supply. The power supply has a control chip configured for detecting and outputting the test value...
US20120158339 CALIBRATION ARRANGEMENT  
An arrangement including at least one path, at least one replica path, the at least one replica path corresponding to a respective path, a controller configured to use control information derived...
US20110238356 HIGH-FREQUENCY MEASURING DEVICE AND HIGH-FREQUENCY MEASURING DEVICE CALIBRATION METHOD  
A method is provided for calibrating voltage values and current values detected by a high-frequency measuring device. In a first step, a first parameter is calculated based on impedances...
US20070250283 Maintenance and Calibration Operations for Memories  
Embodiments of the present invention provide methods, systems and apparatus for performing memory maintenance and calibration operations. To perform calibration operations, calibration data may...
US20090093987 Method for accurate measuring stray capacitance of automatic test equipment and system thereof  
A method for measuring accurate stray capacitance of automatic test equipment (ATE) and system thereof are disclosed. The method has several steps, comprising: First of all, an internal circuit is...
US20090164165 INTEGRATED CIRCUIT INCLUDING CALIBRATION CIRCUIT  
One embodiment provides an integrated circuit including a first circuit, a second circuit, and a third circuit. The first circuit is configured to provide a calibrated signal. The second circuit...
US20060217912 Load fluctuation correction circuit, electronic device, testing device, and timing generating circuit  
To provide a load fluctuation correction circuit having a function of correcting the change in the current consumption amount due to the change in the driving state of a logic circuit, thereby...
US20120185199 User-Invoked Calibration of Modular System Using an Embedded Calibration Signal Generator  
A user obtains a set of modules, inserts them into slots of a chassis, and interconnects the modules to form a modular instrument. A signal path extends through the modules. To support calibration...
US20080172192 Intelligent Electronic Device with Board-Range High Accuracy  
A method and apparatus provides high-accuracy measurements of an electrical parameter across a broad range of parameter input values. In one embodiment, an intelligent electronic device (IED),...
US20100121586 UNBALANCE POWER OF AN ELECTRICAL FACILITY OR SYSTEM, ALONG WITH THE DEVICE FOR ITS CALIBRATION  
Method and practical use system for measuring the imbalance potential of an electrical installation or system comprising: i) acquiring instantaneous values of voltage (vA, vB, vC) and electrical...
US20140257735 CALIBRATION OF MODULAR SYSTEM USING AN EMBEDDED CALIBRATION SIGNAL GENERATOR  
A user obtains a set of modules, inserts them into slots of a chassis, and interconnects the modules to form a modular instrument. A signal path extends through the modules. To support calibration...
US20070290802 SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR CALIBRATING INTERROGATOR SIGNAL STRENGTH AND/OR TAG RESPONSE RANGE SETTING  
A system, method and computer program product according to one embodiment are provided for calibrating an RFID interrogator. A signal is sent from an interrogator to a calibration device. A...
US20080195344 METHOD FOR DETERMINING MEASUREMENT ERRORS IN SCATTERING PARAMETER MEASUREMENTS  
In a method for determining measurement errors in scattering parameter measurements, in particular for giving the measurement accuracy of a scalar or vector network analyzer, which has n...
US20080294365 Eliminating Inline Positional Errors for Four-Point Resistance Measurement  
A method for calculating correction factors for reducing positional errors in resistance measurements using a probe having four probe arms includes: positioning the probe anus to contact a test...
US20080103713 Labeling Asymmetric Cables For Improved Network Clock Synchronization  
Labeling asymmetric network cables for improved network clock synchronization. Time asymmetries between pairs in a network cable are identified and associated with individual cables. This time...
US20070219739 Mixer measurement system and method using a chaotic signal  
A mixer measurement system and method use a chaotic signal to characterize a mixer under test. The mixer measurement system includes a chaotic reference source, an excitation source at an input...
US20080091376 Field device calibration  
A calibrator for field devices is provided. In one aspect, the calibrator has the ability to communicate in accordance with at least two process communication protocols, and tests an attached...
US20080103717 PROCESSING AN INPUT SIGNAL USING A CORRECTION FUNCTION BASED ON TRAINING PAIRS  
Provided are systems, methods and techniques for, inter alia, processing an input signal. In one representative embodiment, samples of an input signal that represents a physical quantity are...
US20150160323 Biosensor Calibration System and Related Method  
A device includes a first biosensor of a biosensor array; a second biosensor of a biosensor array; a readout circuit electrically connected to the biosensor array; a decoder electrically connected...
US20080221823 CALIBRATION CIRCUIT FOR CALIBRATING AN ADJUSTABLE CAPACITANCE OF AN INTEGRATED CIRCUIT HAVING A TIME CONSTANT DEPENDING ON SAID CAPACITANCE  
A calibration circuit calibrates an adjustable capacitance of a circuit having a time constant depending on the adjustable capacitance. The calibration circuit outputs a calibration signal...
US20090184721 METHOD AND SYSTEM FOR TRACKING SCATTERING PARAMETER TEST SYSTEM CALIBRATION  
Embodiments describe methods of correcting S-parameter measurements for a DUT. The method includes coupling at least one tracking module associated with a set of electrical standards to a...
US20130226496 PRECISE CALIBRATION OF ELECTRONIC COMPONENTS  
A system for precise calibration of electronic components is disclosed. In an exemplary embodiment, an apparatus for calibrating a tunable component on an integrated circuit chip includes an...
US20090267582 SELF-TUNING DIGITAL CURRENT ESTIMATOR FOR LOW-POWER SWITCHING CONVERTERS  
A switched mode power can use a digital controller to control the switching of the at least one switch of the switched mode power supply. The current through the power inductor can be estimated...
US20070271060 Buffer compensation activation  
In some embodiments, an apparatus comprises a thermal sensor to detect a first temperature reading at a location proximate a buffer circuit at a first point in time and to detect a second...
US20100036634 APPARATUS AND METHOD FOR GENERATING RESISTANCE CALIBRATION CODE IN SEMICONDUCTOR INTEGRATED CIRCUIT  
A resistance calibration code generating apparatus includes a code calibration unit configured to calibrate and output code values of a resistance calibration code during predetermined cycles of a...
US20090033913 DIGITAL PULSE PROCESSOR SLOPE CORRECTION  
A method of adjusting a response of an energy measuring filter, such as an FIR filter, of a pulse processor based on a slope of a preamplifier signal having a plurality of step edges each...
US20080125999 METHOD FOR CALIBRATION OF A VECTORIAL NETWORK ANALYZER  
A method is provided for calibration of a vectorial network analyzer, having n measurement ports (n>1) and at least m measurement sites with n+1
US20100145651 SELF-CALIBRATION SYSTEMS AND METHODS  
Various embodiments of self-calibration systems and methods are described. One method embodiment, among others, includes imposing an alternate test to components within the device, responsive to...
US20090125269 CHANNEL RECONFIGURABLE LOGIC ANALYZER  
A test and measurement instrument and a method of calibrating the test and measurement instrument including a reference signal generator; multiple input channels; and multiple input circuits. Each...
US20120221278 CURRENT METER WITH ON BOARD MEMORY  
The accuracy and flexibility of a branch circuit monitor is improved by storing specifications, including error correction factors, for a plurality of current transformers in the monitor's memory...
US20090063081 BRIDGE SENSOR CALIBRATION  
An integrated circuit chip for calibrating a bridge sensor is described. The integrated circuit (IC) comprises a voltage regulator for providing a voltage to drive the sensor and the integrated...
US20150032403 SYSTEMS AND METHODS MITIGATING TEMPERATURE DEPENDENCE OF CIRCUITRY IN ELECTRONIC DEVICES  
Methods and systems for compensating for temperature variation in the performance of electronic circuits and systems are disclosed. In some embodiments, the systems are configured to store...
US20100145642 System and Method for Compensating for Potential and Current Transformers in Energy Meters  
A meter device for measuring electrical energy is provided. The meter device includes circuitry for measuring at least one parameter of electrical energy provided to the meter device. A storage...
US20080306703 Automatic Placement of Measurement Gates  
A method and apparatus is provided for setting time positions of measurement gates on a signal under test. Signal transition data is calculated by a processor for multiple signal transitions....
US20080215279 Luminaire control system and method  
The present invention provides a system and method for controlling one or more light-emitting elements which are driven by forward currents to generate mixed light for use, for example, through a...
US20080077347 Offset compensation for rail-to-rail avereraging circuit  
An averaging circuit includes an averaging unit and an offset compensation unit. The averaging unit generates an average signal from first and second input signals. The offset compensating unit is...
US20060009938 Digital jitter synthesizer  
A digital jitter synthesizer includes a signal generation unit, a tuning frequency optional unit, and a random option unit. The tuning frequency optional unit is able to output a frequency control...
US20110060544 Optical fiber current transformer with optical fiber temperature acquisition and temperature compensation  
An optical fiber current transformer includes a broadband light source, a depolarizer, a beam splitter, a temperature acquisition unit, a current acquisition unit, a modulation waveform generating...
US20120194248 NON-LINEAR COMMON COARSE DELAY SYSTEM AND METHOD FOR DELAYING DATA STROBE  
A non-linear common coarse delay system and method for delaying a data strobe in order to preserve fine delay accuracy and compensate PVT (Process, Voltage, and Temperature) variation effects. A...
US20090138226 SYSTEMS AND METHODS FOR MEASURING NON-LINEAR CHARACTERISTICS OF A POWER AMPLIFIER  
A method for measuring non-linear characteristics of a power amplifier is described. A calibration waveform is calculated during a testing procedure period. Amplitude characteristics of the...
US20140200843 Apparatus and Methods Thereof for Error Correction in Split Core Current Transformers  
Apparatus and methods are provided for electrical parameter measurements at points of interest, such as circuit breakers, machines, and the like. The devices which comprise of components that may...
US20110276300 VOLTAGE MEASUREMENT INSTRUMENT AND METHOD HAVING IMPROVED AUTOMATIC MODE OPERATION  
An AC/DC voltage measuring instrument is operable in a DC mode, an AC mode, or an automatic mode. In the DC mode, an input terminal is coupled directly to an analog-to-digital converter, which...
US20100318311 Driver Calibration Methods and Circuits  
Described are amplifiers that facilitate high-speed communication with calibrated drive strength and termination impedance. Drivers and termination elements can be divided into a number N of...
US20090157338 MEASURING METHOD AND APPARATUS FOR POTENTIOMETRIC MEASURING PROBES  
A method and device are disclosed for measuring potentiometric measuring probes. An exemplary method includes feeding two test voltages comprising a harmonic wave Ueg with a base frequency fg and...

Matches 1 - 50 out of 66 1 2 >