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US20150164428 Method for Multi-Scale Quality Assessment for Variability Analysis  
A system and method are provided for assessing quality for a variability analysis. The method comprises: obtaining at least one waveform corresponding to a corresponding physiological measurement;...
US20140316725 POWER NOISE HISTOGRAM OF A COMPUTER SYSTEM  
A method is provided for determining a power noise histogram of a computer system. The computer system includes a skitter circuit with multiple skitter bins, each skitter bin of the multiple...
US20120049947 METHOD AND DEVICE FOR MEASURING INTEGRATED CIRCUIT POWER SUPPLY NOISE AND CALIBRATION OF POWER SUPPLY NOISE ANALYSIS MODELS  
A method and device for measuring integrated circuit power supply noise and calibration of power supply noise analysis models. The method includes collecting power supply noise monitor data from...
US20140077849 PHASE-LOCKED LOOP WITH LOOP GAIN CALIBRATION, GAIN MEASUREMENT METHOD, GAIN CALIBRATION METHOD AND JITTER MEASUREMENT METHOD FOR PHASE-LOCKED LOOP  
The invention provides a phase-locked loop with loop gain calibration and methods for measuring an oscillator gain, gain calibration and jitter measurement for a phase-locked loop. The method for...
US20120226458 SFP - DIAGNOSTIC  
A small form-factor pluggable (SFP) unit having signal diagnostic capabilities comprises one or more diagnostic measurement points. At least one of the one or more diagnostic measurement points...
US20060290783 Method for selecting a video test signal  
A user can select an output desired video test signal of a desired video format for a video test signal generator by fewer operations. There are two modes; format priority mode and test signal...
US20130289914 FLEXIBLE EVALUATION OF FREE SPACE OVER THE AIR MEASUREMENT UNCERTAINTY METHOD AND APPARATUS  
Methods are directed towards determining a total measurement uncertainty for LME and LEE UEs. Methods include representing the at least one quantity subject to measurement as a function of at...
US20090105978 EMULATION AND DEBUG INTERFACES FOR TESTING AN INTEGRATED CIRCUIT WITH AN ASYNCHRONOUS MICROCONTROLLER  
A method of testing a data transmission and reception system comprises sending a test signal from a transmitter (14) of the system to a receiver (12) of the system, and analyzing the received...
US20130054169 METHOD AND A SYSTEM FOR DETERMINING THE PLACE OF ORIGIN OF PASSIVE INTERMODULATION PRODUCTS  
A method for determining the place of origin of a passive intermodulation product excites a distributed device under test with two first excitation signals (x1(t),x2(t), each with a single...
US20140081586 Noise Temperature Extraction Procedure for Characterization of On-Wafer Devices  
A procedure for obtaining noise temperatures of a field effect transistor (FET) embedded on a wafer through an analytical procedure which processes measured noise figure data over transistor's...
US20110191047 Wavelet Denoising for Time-Domain Network Analysis  
A method and apparatus are provided for the removal of significant broadband noise from waveforms acquired for time domain network analysis.
US20090088996 Jitter measuring system and method  
The present invention relates to a jitter measuring system, comprising: a delay circuit for receiving a clock signal and delaying the clock signal to generate a delay signal; a jitter amplifier...
US20100324850 Static Noise Margin Estimation  
In a particular embodiment, a method is disclosed that estimates a total static noise margin of a bit cell of a memory. The method includes determining a correlation coefficient of a left static...
US20070198202 MEASURING SIGNAL PROPAGATION AND ADJUSTABLE DELAYS IN ELECTRONIC DEVICES  
Systems and methods to measure signal propagation delay through objects. The system includes a controller, a single shot pulse generator, a first pulse/edge former, a multiplexer/demultiplexer, a...
US20110295536 CLOCK JITTER ANALYZING METHOD AND APPARATUS  
There is provided a method for analyzing a jitter of a clock flowing in a clock path inside a semiconductor integrated circuit. Elements, which belong to any clock domains except for a selected...
US20110125437 METHOD AND DEVICE FOR ANALYZING THE BEHAVIOR OF A POWER SUPPLY IN A CIRCUIT  
A method for testing an integrated circuit, comprising performing a series of at least three tests, each comprising: selecting two nodes among at least three nodes for taking a clock signal from...
US20050075810 Spectral jitter analysis allowing jitter modulation waveform analysis  
For providing a jitter analysis for a signal, a jitter spectrum derived from the signal is filtered, so that the filtered jitter spectrum substantially only comprises one or more deterministic...
US20130332096 UNIVERSAL JITTER METER AND PHASE NOISE MEASUREMENT  
A device and method for measuring jitter includes a capacitive element capable of being selectively charged, wherein the selection is made by a received signal from which an accumulated jitter...
US20090248336 ANALYZER FOR SIGNAL ANOMALIES  
A signal analyzer includes a divergence detector for detecting periodic interference in a signal, an information detector for detecting a random event in the signal, and output circuitry for...
US20110035169 JITTER CALCULATING DEVICE, JITTER CALCULATING METHOD AND JITTER CALCULATING PROGRAM  
A path of a signal extends from an initial point through first and second cells to an end point. The signal is supplied as a first signal to the first cell and outputted therefrom as a second...
US20080221813 Jitter-Based Calibration Procedure With Improved Resolution For Optical Disc Drives  
An optical disc drive apparatus (1), suitable for storing information on or reading information from an optical disc (2), typically a DVD or a CD or a BD, is designed for performing a method for...
US20100063761 Clock Jitter Analysis  
A tool and a method analyze variations in signal timing, especially timing in a clock signal, commonly known as “clock Jitter.” The tool and method provide advantages over conventional analysis...
US20100030503 SYSTEM AND CIRCUIT FOR DETERMINING DATA SIGNAL JITTER VIA ASYNCHRONOUS SAMPLING  
A system and circuit for determining data signal jitter via asynchronous sampling provides a low cost and production-integrable mechanism for measuring data signal jitter. The data signal is...
US20090112499 DEVICE FOR JITTER MEASUREMENT AND METHOD THEREOF  
The device for jitter measurement and a method thereof are provided. The device for jitter measure includes a signal retrieving module, a signal amplifying module, an edge detecting module, and a...
US20080177489 SYSTEM AND CIRCUIT FOR CONSTRUCTING A SYNCHRONOUS SIGNAL DIAGRAM FROM ASYNCHRONOUSLY SAMPLED DATA  
A system and circuit for constructing a synchronous signal diagram from asynchronous sampled data provides a low cost and production-integrable technique for providing a signal diagram. The data...
US20090271133 CLOCK JITTER MEASUREMENT CIRCUIT AND INTEGRATED CIRCUIT HAVING THE SAME  
Provided is a measurement circuit for measuring a jitter of a clock signal. Delay elements delay the clock signal into delayed clock signal. Latches latch the delayed clock signals to indicate...
US20090318821 Method for Checking ECG Signals and ECG Measuring Device  
The invention relates to a method for checking ECG signals measured by an ECG measuring device having at least three electrodes for the presence of interference errors. At least three voltages are...
US20070133667 Timing lock detection apparatus and method for digital broadcasting receiver  
A timing lock detection apparatus and method for digital broadcasting receiver are provided. The apparatus includes: a discrete value generator for cyclically selecting a discrete signal value...
US20090105976 AUTOMATIC JITTER MEASUREMENT METHOD  
An automatic jitter measurement method for an oscilloscope is provided. The method includes: establishing a database in a data processing unit, in which the step of establishing the database...
US20100318151 SYSTEMS AND METHODS FOR MANAGING NOISE IN IMPLANTABLE MEDICAL DEVICES  
Embodiments of the invention are related to managing noise in sensed signals in implantable medical devices, amongst other things. In an embodiment the invention includes a method for processing...
US20080162060 IDENTIFYING PERIODIC JITTER IN A SIGNAL  
Identifying periodic jitter in a signal includes identifying transition regions of the signal, where the transition regions correspond to regions of the signal where the signal changes between...
US20070168142 Jitter detection and reduction  
A method of detecting jitter in a digital data signal having a waveform defined by a plurality of component frequencies, including the step of comparing an indicator of the power of a selected...
US20070192051 Backboard transmission method, backboard transmission apparatus, and substrate unit  
A substrate unit and other substrate unit are mounted with integrated circuits and are connected to a backboard via respective connectors. The substrate unit monitors a signal wave passed between...
US20050114054 Method for analyzing power supply noise of semiconductor integrated circuit  
Based on design data of a semiconductor integrated circuit, an impedance related to a power supply wire is calculated, and based on the calculated impedance, a frequency characteristic of power...
US20060080054 System and method for generating jitter analysis diagrams  
A system and method for generating various jitter analysis diagrams and customized jitter analysis reports. The method includes the steps of: (a) obtaining a signal file; (b) determining a type of...
US20070192048 System and method for estimating phase offset in a communication system  
A system and method for estimating phase offset between a local oscillator and a transmitted input signal in a communication system comprises a differential detector and a phase compensation stage...
US20070250279 Digital data signal analysis by evaluating sampled values in conjunction with signal bit values  
Time characteristics of a data signal including a sequence of a plurality of bits are determined by a method including providing a first trigger signal in response to a clock signal related to the...
US20050038616 Method and apparatus for diagnosing jitter tolerance  
The present invention relates to a method for measuring jitter tolerance for diagnosis by instructing a jitter adding circuit disposed precedingly to an intended circuit block to generate jitter...
US20060058973 Built-in-self-test (BIST) circuit with digital output for phase locked loops-jitter testing and method thereof  
A built-in-self-testing (BIST) circuit with digital output for phase locked loops-jitter testing and the method thereof are used to solve the problems of difficult processing and test of high...
US20100023289 MEASURING APPARATUS, MEASURING METHOD AND TEST APPARATUS  
Provided is a measurement apparatus comprising a first timing detecting section that detects first change timings of a signal under measurement; a second timing detecting section that detects...
US20090221253 ADAPTIVE CONTROL APPARATUS USING MULTIPLE ADAPTIVE CONTROL METHODS  
In the adaptive control apparatus, a computation unit computes weighting coefficients, using a first adaptive control method in a proportion α of a first computation amount, where the first...
US20090105977 TEST APPARATUS, SKEW MEASURING APPARATUS, DEVICE AND BOARD  
There is provided a test apparatus for testing a device under test, which includes a plurality of drivers which output signals to the device under test, an output control section which controls...
US20090112498 USING SENSOR SPECTRAL ENERGY TO DETECT AND/OR ISOLATE SENSOR FAULTS  
A method of detecting and/or isolating a fault of a sensor in a system in substantially real time or in non-real time (e.g., using off-line analysis). A spectral energy of a signal of the sensor...
US20060098095 Method of compensating for the effect of undersirable attributes on the measurement of desirable attributes for objective image quality  
A method and apparatus for compensating for the effect of improperly characterizing first image attribute as enhancing a second image attribute during objective image quality measurement of the...
US20120278019 APPARATUS AND METHOD FOR COMPUTING COUPLING NOISE VOLTAGE OCCURRING IN FLASH MEMORY DEVICE  
An apparatus for computing a coupling noise voltage occurring in a plurality of cells arranged on a plurality of word lines and a plurality of bit lines in a flash memory device includes: a...
US20080097710 Method for Measuring the Phase Jitter of a High-Frequency Signal and a Measuring Device for the Implementation of This Method  
In order to measure the phase jitter of a high-frequency signal, a spectrum analyzer is used. The high-frequency signal (HF) to be measured is either multiplied by M and/or the output frequency of...
US20090172609 JITTER AMOUNT ESTIMATING METHOD, METHOD FOR CALCULATING CORRELATION BETWEEN AMOUNT OF SIMULTANEOUSLY OPERATING SIGNAL NOISE AND JITTER AMOUNT, AND RECORDING MEDIUM  
An SSO noise calculating unit estimates the amount of simultaneously operating signal noise caused by simultaneous operations of input/output pins peripheral to a power supply voltage pin as a...
US20080228417 CHANGING POINT DETECTING CIRCUIT, JITTER MEASURING APPARATUS AND TEST APPARATUS  
A changing point detection circuit is provided that detects timing of changing points at which a logic value of a signal under measurement changes and includes a multi-strobe circuit generating a...
US20100017158 GENERATING WORST CASE BIT PATTERNS FOR SIMULTANEOUS SWITCHING NOISE (SSN) IN DIGITAL SYSTEMS  
A methodology to determine a bit pattern that may excite a worse case or near worse case simultaneous switching noise on a memory or input/output (IO) interface of a digital system is provided....
US20080205219 JITTER MEASURING APPARATUS AND METHOD, SIGNAL PERIOD MEASURING APPARATUS AND METHOD, AND OPTICAL DISK PLAYER  
An apparatus to measure jitter of a signal read from an optical disk includes a binarization unit to binarize an input signal to generate a binary signal, an ideal signal generator to generate a...

Matches 1 - 50 out of 87 1 2 >