Abstract: A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable is coupled to a compensation system in a signal processing instrument via an input node and input circuitry in the signal processing instrument. The signal acquisition probe and the signal processing instrument have mismatched time constants at the input node with the compensation system having an input amplifier with feedback loop circuitry and a compensation digital filter providing pole-zero pairs for maintaining flatness over the signal acquisition system frequency bandwidth.

Abstract: 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 require corrections, such as the errors induced by, but not limited to, the use of a split core mounted around a current carrier, and hence calibration coefficients are provided based on test, measurements and/or calculations respective of the devices. These coefficients may be stored in a database for retrieval when calibration of measurements received from a measuring device. In one embodiment at least one of the calibration coefficients is stored on the measuring device.

Abstract: An output module for an industrial controller configurable to simplify setup and commissioning is disclosed. The output module includes configurable PWM outputs that may be scheduled to start at different times within the PWM period, that may be configured to generate a fixed number of PWM pulses, and that may have an extendable PWM period. The output terminals are configurable to enter a first state upon generation of a fault and further configurable to enter a second state after a configurable time delay following the fault being generated. The output module may receive inputs signals directly from another module and set output signals at the terminals responsive to these signals.

Abstract: A method of calibrating the frequency of a gm-C filter is provided. The method includes generating, by a frequency calibration circuit, a calibration code capable of tuning a cut-off frequency of the gm-C filter according to a frequency of an oscillation signal that is output from a gm-C oscillator and indicates a process distribution and a reference code, determining, by the frequency calibration circuit, whether the calibration code exists within a range of a reference code, and outputting, by the frequency calibration circuit, the calibration code to the gm-C filter or generating a variable current to simultaneously tune transconductance of the gm-C oscillator and transconductance of the gm-C filter, according to a result of the determination.

Abstract: A method for calibrating voltage and current detected by a high frequency measurement apparatus is provided. By the method, a basic calibration parameter for a wide impedance range but with low accuracy and quadrant-specific calibration parameters for highly accurate calibration are calculated. This calculation is performed based, on values obtained by measuring three reference loads and true values of the reference loads. A first calibration unit of the apparatus calibrates the detected voltage and current by using the basic calibration parameter. A quadrant determining unit of the apparatus determines in which quadrant an impedance calculated from the calibrated voltage and current lies. A second calibration unit of the apparatus further calibrates the voltage and current by using a quadrant-specific calibration parameter corresponding to the determination result input from the quadrant determining unit.

Abstract: A signal acquisition system has a signal acquisition probe having probe tip circuitry coupled to a resistive center conductor signal cable. The resistive center conductor signal cable of the signal acquisition probe is coupled to a compensation system in a signal processing instrument via an input node and input circuitry in the signal processing instrument. The signal acquisition probe and the signal processing instrument have mismatched time constants at the input node with the compensation system providing pole-zero pairs for maintaining flatness over the signal acquisition system frequency bandwidth.

Abstract: A computer device comprises a calibration module adapted to detect an input frequency for at least one input mode of a digitizer device. The calibration module is configured to determine whether the input frequency is within a frequency tolerance band corresponding to the at least one input mode.

Abstract: A method for calibrating a high frequency measuring device so as to accurately measure plasma processing parameters within a chamber. A calibration parameter is calculated from a first set of three reference loads measured by a high frequency measurement device. A second calibration parameter is calculated from S parameters measured between a connection point where the high-frequency measuring device is connected and the inside of the chamber of a plasma processing device. A second set of three reference loads, which include the impedance previously calculated and encompass a range narrower than that encompassed by the first set of three reference loads, is measured with the reference loads in the chamber.

Abstract: An exemplary port reducing method is for removing unselected ports of an original S-parameter file and generating an optimized S-parameter file. The method controls a display unit to display a user interface to receive commands from a user in response to user operation; the commands comprise a calling command, a selecting command, and an executing command. The method obtains the original S-parameter file in response to the calling command. Next, the method determines which of the ports of the original S-parameter file are unselected in response to the selecting command, and connects each unselected port to the ground through one terminal impedance. The method then generates an optimized S-parameter file that comprises only the selected ports in response to the executing command.

Abstract: The claimed subject matter provides systems and/or methods that facilitate combining analog and digital gain for utilization with CMOS sensor imagers. The analog gain can provide coarse gain steps and the digital gain can provide finer gain steps between adjacent coarse analog gain values. Further, since analog gain can suffer from low precision, dispersion, etc., on-chip calibration can be implemented to calibrate the analog and digital gain. For example, a digital amplifier can be calibrated to compensate for differences between actual and nominal analog gains associated with one or more analog amplifiers.

Abstract: A temperature sensor includes a counting signal generation unit, a counting signal decoding unit, an input reference voltage selection unit, and a latch pulse generation unit. The counting signal generation unit is configured to generate one or more counting signals in response to an oscillation signal. The counting signal decoding unit is configured to decode the one or more counting signals and to generate one or more test selection signals and an end signal. The input reference voltage selection unit is configured to output a first selection reference voltage or a second selection reference voltage as an input reference voltage in response to the one or more test selection signals. The latch pulse generation unit is configured to generate one or more latch pulses in response to the one or more test selection signals.

Abstract: A method and apparatus for receiving power consumption data via an optical cable connected to an intelligent power socket converting the received optical signal and conveying a processed data via a bus line to home automation controller direct or through a bus line distributor, said data generated by said socket pertaining to a load powered through it. Said optical signal further including selected data covering the current drain value, the power consumed value, the socket identification, the load identification and combinations thereof. The optical signal and said converted electrical signal for propagation at least one way of bidirectional communication via a network of optical cables and bus line. Said power consumption receiver includes at least one optoport, a CPU and a memory for storing the last received data pertaining to at least one of the power consumed and the load identification.

Abstract: A method of calibrating a filter includes applying an input signal into the filter to generate an output signal, measuring a phase difference between the input signal and the output signal; determining a leading/lagging status of the phase difference; calculating a capacitor code (CAP_CODE) using the leading/lagging status; and calibrating the capacitor using the CAP_CODE.

Abstract: A phase canceling current transducer for a power meter includes an error correction unit including a memory for storing error correction factors. A data processing device of the error correction unit adjusts the output of the transducer to correct for phase and ratio errors produced by the transducer current transformer or to cause the transducer's output to mimic the output of another current transducer.

Abstract: A method and apparatus for measuring and calibrating the power consumption reporting by intelligent AC outlets, sub outlets and sockets including optoport and RFID antenna using a hand held loader and propagating optical signals via a lightguide or fiber optic cable and via RFID signals and tags, including the setting up of location, AC outlet identification and appliance particulars. Simpler loaders or calibrators communicate standard power consumption values to the AC outlet for self-calibration using the received values. The appliance particulars are introduced via the loader keys or a touch screen and via the reading of a RFID tag attached to the plug of an appliance and processed via the loader for propagation through an optical grid of a residence automation system via current drain or power consumption receivers.

Abstract: The present disclosure provides apparatus and methods for the calibration of analog circuitry on an integrated circuit. One embodiment relates to a method of calibrating analog circuitry within an integrated circuit. A microcontroller that is embedded in the integrated circuit is booted up. A reset control signal is sent to reset an analog circuit in the integrated circuit, and a response signal for the analog circuit is monitored by the microcontroller. Based on the response signal, a calibration parameter for the analog circuit is determined, and the analog circuit is configured using the calibration parameter. Other embodiments, aspects and features are also disclosed.

Abstract: In an electronic device and a method of correcting time-domain reflectometers, two channels of a time-domain reflectometer are connected to a corrector using cables, and the two channels are enabled to transmit pulses. Parameters Step Deskew and Channel Deskew of the two channels are zeroed. Resistance values of the two channels are measured simultaneously, and the value of the parameter Step Deskew of one of the two channels is adjusted according to the Resistance values of the two channels. Times of achieving the same resistance value of the two channels are measured after the cables and the connector have been disconnected, and the value of the parameter Channel Deskew of one of the two channels is adjusted according to the times of achieving the same resistance value. The adjusted values of the parameters Step Deskew and Channel Deskew are displayed through a display unit.

Abstract: A fuel battery system is comprised of a power source circuit, a rotating electrical machine that is a load, a memory device and a control unit. Here, a battery learning system corresponds to an arrangement including a fuel battery that is a structural component of the power source circuit, a high frequency signal source, an electric current detection means, a voltage detection means, the memory device and a battery learning part that is a structural element of the control unit. An impedance value can be obtained from alternating current components of respective detecting values of the electric current detection means and the voltage detection means. The battery learning unit has an I-V characteristic curve learning module that learns an I-V characteristic curve and a learning prohibition judgment module that judges whether or not an acquiring interval of the impedance value is over a predetermined threshold interval set in advance, and prohibits learning if the former is over the latter.

Abstract: 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 on-chip reference component configured to generate a first on-chip reference level, an on-chip connector configured to couple to an external test unit component to generate a second on-chip reference level, and an on-chip memory configured to store at least one error adjustment parameter determined from a difference between the first on-chip reference level and the second on-chip reference level, and wherein the at least one error adjustment parameter is configured to calibrate the tunable component to a desired value.

Abstract: Systems and methods are disclosed for providing a signal indicative of one or more types of individual measurable device characteristic/s that are unique to a given electronic device by providing a signal indicative of the measurable and unique device characteristic/s in a passive manner from the electronic device. The signal indicative of one or more types of individual measurable device characteristic/s may be so provided without requiring operational power to be applied to any active electronic circuitry of the device, and without requiring any power to be generated by the device.

Abstract: 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 having a light sensor. The calibration computing equipment may be configured to operate the light sensor and the display to gather display performance data. The calibration computing equipment may extract display performance statistics from the display performance data and adaptively select and perform display calibration sequences using the display performance statistics. The calibration computing equipment may be configured to determine whether or not to perform display calibration and whether or not to gather additional display performance data based on display performance statistics extracted during a preceding display calibration sequence. The calibration computing equipment may be configured to iteratively and adaptively perform display calibration sequences until a display is successfully calibrated.

Abstract: 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 calculated when the measuring device is connected to a first set of three reference loads and impedances of the first set of three reference loads. In a second step, plasma processing is carried out with the measuring device connected to a load to be measured, and detected voltage and current values are calibrated using the first parameter, and impedances as viewed from a connection point towards the load side are calculated based on the calibrated voltage and current values. In a third step, three impedances that encompass, when displayed on a Smith chart, a narrower range than a range encompassed by the impedances of the first set of three reference loads are determined, where the narrower range includes the impedances calculated in the second step.

Abstract: A circuit includes a digital-to-analog converter with non-uniform resolution for converting a digital signal into an analog signal. The digital-to-analog converter includes high-resolution circuitry, reduced-resolution circuitry coupled to the high-resolution circuitry and a switch coupled to the high-resolution circuitry and to the reduced-resolution circuitry. The switch couples one of the high-resolution circuitry and the reduced-resolution circuitry to an output node. The circuit also includes a decoder coupled to the switch. The decoder receives the digital signal to control the switch.

Abstract: In the example embodiments, test signals sent from a transmitting system are received at a receiving system. The receiving system generates a determination signal indicating, in one embodiment, whether received signals have a desired relationship with respect to a clock signal at the receiving system. Timing of the clock signal or timing for transmitting signals may be adjusted based on the determination. In another embodiment, the receiving system generates a determination signal indicating whether the pulse width of a lone pulse signal equals a desired time interval. Equalization or pre-emphasis is controlled based on the determination signal.

Abstract: A time differential is estimated between a plurality of signals by determining a filter response of a first electrical signal with a first filter array, determining a filter response of a second electrical signal with a second filter array, and determining, based at least on the filter response of the first electrical signal and the filter response of the second electrical signal, a time differential between the first electrical signal and the second electrical signal. A first optical signal is converted into the first electrical signal and a second optical signal is converted into the second electrical signal. The filter response of the first electrical signal and the filter response of the second electrical signal are sampled and the time differential between the first electrical signal and the second electrical signal is determined based at least on the sampled filter response of the first electrical signal and the sampled filter response of the second electrical signal.

Abstract: An embodiment of an electronic device having a plurality of operative parameters is provided. The electronic device includes means for applying a plurality of trimming actions to each parameter for causing a corresponding correction of the parameter, for at least one reference parameter, means for measuring the reference parameter responsive to the application of at least part of the trimming actions, and means for forcing the application of the selected trimming action for the reference parameter. For each non-reference parameter different from the at least one reference parameter, the electronic device includes means for selecting one of the trimming actions for the non-reference parameter corresponding to the selected trimming action for the at least one reference parameter, and means for forcing the application of the selected trimming action for each non-reference parameter.

Abstract: A method and apparatus for measuring and calibrating the power consumption reporting by intelligent AC outlets, sub outlets and sockets including optoport and RFID antenna using a hand held loader and propagating optical signals via a lightguide or fiber optic cable and via RFID signals and tags, including the setting up of location, AC outlet identification and appliance particulars. Simpler loaders or calibrators communicate standard power consumption values to the AC outlet for self-calibration using the received values. The appliance particulars are introduced via the loader keys or a touch screen and via the reading of a RFID tag attached to the plug of an appliance and processed via the loader for propagation through an optical grid of a residence automation system via current drain or power consumption receivers.

Abstract: A self calibrating cable, including a USB3 cable, with a boost device of the embodiment of the invention is described, in which parameters that control the response of the boost device are set optimally in a self-calibrating process comprising looping the boosted cable on itself through a calibration fixture that contains a calibration control device. The boost device includes pattern generators and a sampling circuit. Each high speed channel of the cable is separately tested and calibrated with the help of one of the other channels serving as a sampling channel. Additional embodiments provide for a selected replica boost device and a distinct pattern generator device in the calibration fixture. A corresponding system and method for calibrating a cable are also provided.

Abstract: An improved calibration detection system for use in calibrating an electronic apparatus includes a processor apparatus, an evaluation apparatus, and a connection apparatus. The connection apparatus includes a plurality of leads and is operated by the processor apparatus to internally switch and connect the various leads with various elements of the evaluation apparatus. By enabling all of the leads to be connected at the outset with the electronic apparatus and by internally switching the connections between the leads and the various elements of the evaluation apparatus, the calibration detection system saves time and avoids error in performing a testing protocol.

Abstract: An embodiment is a method for de-embedding. The method comprises forming a primary structure in a semiconductor chip and forming an auxiliary structure in the semiconductor chip. The auxiliary structure replicates a first portion of the primary structure. The method further comprises determining a transmission matrix for each of the primary structure and the auxiliary structure based on measurements and extracting a transmission matrix of a first component of the primary structure by determining a product of the transmission matrix of the primary structure and an inverse of the transmission matrix of the auxiliary structure.

Abstract: 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 of the output current. The apparatus includes a keyboard circuit, a digital potentiometer and a controller. The keyboard circuit is configured for inputting an actual value of the output current. The digital potentiometer is electronically connected to the control chip. The controller receives a test value and the actual value of the output current respectively from the control chip and the keyboard, determines whether the test value is equivalent to the actual value, adjusts the test value of the output current by adjusting an effective resistance of the digital potentiometer until the test value equals the actual value, and outputs the effective resistance of the digital potentiometer when the test value equals the actual value.

Abstract: Memory power estimation by means of calibrated weights and activity counters are generally presented. In this regard, in one embodiment, a memory power is introduced to read a value from a memory activity counter, to determine a memory power estimation based at least in part on the value and a calibration, and to store the memory power estimation to a register. Other embodiments are also described and claimed.

Abstract: Device for determining an error induced by a high-pass filter in a signal, including a unit (3) for calculating the error according to the formula: E(t)=Ve(t)?Vs(t)=2·?·Fc·??=t0t(Vs(?)? Vs(?))·d?+E(t0) with: E(t) the value of the error induced by the high-pass filter, as a function of the time variable t, ?the trigonometric constant, Fc the cutoff frequency of the high-pass filter, t0 the initial instant, ?integration variable, Ve the signal input to the high-pass filter, Vs the signal output by the high-pass filter, Vs the mean value of the signal Vs. A method of correcting the error induced is also presented and applicable to the error correction of a piezoelectric pressure sensor.

Abstract: A microprocessor including a temperature sensor that monitors a temperature of core logic of the microprocessor during operation thereof, and operating point information from which may be determined N operating points at which the microprocessor core may reliably operate at a first temperature. Each of the N operating points has a different combination of operating frequency and voltage. The N operating points comprise a highest operating point, a lowest operating point, and a plurality of operating points intermediate the highest and lowest operating points. The microprocessor also includes a control circuit that transitions operation of the core logic among the N operating points to attempt to keep the operating temperature of the core logic provided by the temperature sensor within a temperature range whose upper bound is the first temperature.

Abstract: The frequency-sampling method is widely used to accommodate nonlinear electromagnetic source tuning in swept-wavelength interferometric techniques, such as optical frequency domain reflectometry (OFDR) and swept-wavelength optical coherence tomography (OCT). Two sources of sampling errors are associated with the frequency-sampling method. One source of error is the limit of an underlying approximation for long interferometer path mismatches and fast electromagnetic source tuning rates. A second source of error is transmission delays in data acquisition hardware. Aspects of the invention relate to a method and system for correcting sampling errors in swept-wavelength interferometry systems such that the two error sources correct sampling errors associated with the first radiation path and the second radiation path cancel to second order.

Abstract: To include a first replica buffer that has substantially the same circuit configuration as a pull-up circuit which constitutes an output buffer and a second replica buffer that has substantially the same circuit configuration as a pull-down circuit which constitutes the output buffer. When a first calibration command ZQCS is issued, either a control signal ACT1 or ACT2 is activated, and a calibration operation is performed for either the first replica buffer or the second replica buffer. When a second calibration command ZQCL is issued, both of the control signals ACT1, ACT2 are activated and the calibration operation is performed for both the first replica buffer and the second replica buffer.

Abstract: A calibration system employed for use with a resistance capacitance (RC) filter having resistors and capacitors with parasitic capacitance associated therewith. The calibration system has a digital calibration circuit receiving a time constant signal and generating, based thereon, a control word of N digital bits. The calibration system includes an analog monitor circuit having monitor capacitance assembly having a particular equivalent resistor and capacitor configuration. The analog monitor circuit generates the time constant signal and includes N switches, where each switch is controlled by one of the N bits of the control word, each switch is configured to connect or disconnect one or more capacitors of the monitor capacitor assembly thereby generating a time constant signal that represents the time constant of the RC integrated filter.

Abstract: A method and apparatus for allowing the user of a power generator coupled to a time-varying load, to define an alternative reference impedance to enable on or more metrics to be provided relative to the alternative reference impedance. The metrics, for example, may provide indicia of performance of the power generator system. One illustrative embodiment provides a power delivery system that applies power to a plasma chamber to create a plasma therein; determines a reference impedance of the plasma at an operating condition; and controls the power delivery system based on the determined reference impedance.

Abstract: An oscilloscope probe calibrating system for a single terminal probe and a differential probe includes an oscilloscope, a main branch module, a sub-branch module, and a resistor. The oscilloscope includes multiple inputs for receiving signals from the single terminal probe and the differential probe, an output for outputting an original calibration signal, and a display module displaying the waveforms of the original calibration signal and the signals from the single terminal probe and the differential probe. The main branch module converts the original calibration signals to a number of first calibration signals. The sub-branch module converts the first calibration signals to a number of second calibration signals. The sub-branch module includes a single terminal sub-branch module and a differential sub-branch module coupled to the main branch module. One end of the resistor is connected between the main branch module and the differential sub-branch module, and the other end is grounded.

Abstract: A system and method for sensing a load current that flows from an amplifier into a load of the amplifier involves obtaining a voltage drop across internal impedance of the amplifier and computing the load current using the internal impedance and the voltage drop across the internal impedance.

Abstract: The configurations and adjusting method of a subrange analog-to-digital converter (ADC) are provided. The provided subrange ADC includes a X.5-bit flash ADC, a Y-bit SAR ADC and a (X+Y)-bit segmented capacitive digital-to-analog converter (DAC).

Abstract: A detection apparatus detecting an error component contained in two signals (A, B) approximated by a cosine and sine functions representing an object position, the detection apparatus including an arithmetic portion (3, 4) which reduces an error contained in the signals (A, B) based on an error prediction value to output two error correction signals (A*, B*), a phase arithmetic portion (5) which calculates a phase (?) based on the error correction signals (A*, B*), an arithmetic storage unit (9, 10) which stores the error correction signals (A*, B*) and a plurality of sampling values of the phase (?), and a Fourier transform portion (11, 12) which obtains coefficients ?k, ?k, ?k, and ?k in the following two expressions: A*=?0+?1 cos ?+?1 sin ?+ . . . +?k cos k?+?k sin k? B*=?0+?1 cos ?+?1 sin ?+ . . . +?k cos k?+?k sin k? (k?2) wherein the arithmetic portion (3, 4) updates the error prediction value using the coefficients.

Abstract: A method for calibrating a synthetic jet ejector is provided. The method includes (a) taking a first measurement DCR0 of the DC resistance of the coil; (b) adjusting the actuator drive voltage Vd to achieve a desired maximum displacement dmax1 at a frequency f1; (c) measuring the input current Iin and input voltage Vin; (d) calculating the back electromagnetic frequency BEMF, wherein BEMF=Vin?Iin*DCR; and (e) storing the calculated value of BEMF in a memory device associated with the synthetic jet actuator.

Abstract: A High Definition Multi-Media Interface (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 the cable. A self calibrating cable with a boost device of the embodiment of the invention is described, in which parameters that control the response of the boost device are set optimally in a self-calibrating process comprising looping the boosted cable on itself through a calibration fixture that contains a calibration control device. The boost device includes pattern generators and a sampling circuit. Each high speed channel of the cable is separately tested and calibrated with the help of one of the other channels serving as a sampling channel. Additional embodiments provide for a selected replica boost device and a distinct pattern generator device in the calibration fixture.

Abstract: 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 the cable. A self calibrating cable with a boost device of the embodiment of the invention is described, in which parameters that control the response of the boost device are set optimally in a self-calibrating process including looping the boosted cable on itself through a calibration fixture that contains a calibration control device. The boost device includes pattern generators and a sampling circuit. Each high speed channel of the cable is separately tested and calibrated with the help of one of the other channels serving as a sampling channel.

Abstract: A system and method for online monitoring partial discharge of a generator are disclosed. The system is connected in parallel with a busbar between the generator and electric network, includes: a near-end circuit on a generator side, which includes a near-end capacitive coupling sensor connected to the busbar and a near-end impedor connected in series with the near-end capacitive coupling sensor; a far-end circuit on an electric network side, which includes a far-end capacitive coupling sensor connected to the busbar and a far-end impedor connected in series with the far-end capacitive coupling sensor; and a detection device, which has a near-end input terminal connected to a connection point between the near-end capacitive coupling sensor and the near-end impedor through a near-end cable, a far-end input terminal connected to a connection point between the far-end capacitive coupling sensor and the far-end impedor through a far-end cable, and a processing unit.

Abstract: The invention relates to a volume quantity dispensing unit, in particular as a unit for metering an aqueous solution such as a urea/water solution, which can be used in an exhaust gas aftertreatment unit (17), comprising a pressure transducer (1), in particular comprising an electric pressure sensor, the volume quantity dispensing of the volume quantity dispensing unit following an electric signal (2) and the volume quantity dispensing unit being calibrated. There is provided at least one means (3) for changing a pressure value (4), which means changes the pressure value (4) in such a way that the pressure value (4), which is intended to correspond to the pressure in the volume quantity dispensing unit, is an input signal for a volume quantity (5) to be dispensed.

Abstract: A charge amplifier for use in radiation sensing includes an amplifier, at least one switch, and at least one capacitor. The switch selectively couples the input of the switch to one of at least two voltages. The capacitor is electrically coupled in series between the input of the amplifier and the input of the switch. The capacitor is electrically coupled to the input of the amplifier without a switch coupled therebetween. A method of measuring charge in radiation sensing includes selectively diverting charge from an input of an amplifier to an input of at least one capacitor by selectively coupling an output of the at least one capacitor to one of at least two voltages. The input of the at least one capacitor is operatively coupled to the input of the amplifier without a switch coupled therebetween. The method also includes calculating a total charge based on a sum of the amplified charge and the diverted charge.

Abstract: 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 and enabling current transformers with stored specifications to be selected for use with the monitor.

Abstract: 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 common coarse delay and a fine delay can be initialized to a quarter-cycle delay for shifting a read output DQS (Data Queue Strobe) associated with a memory device in order to sample a read output DQ (Data Queue) within a physical layer. The fine delay can be programmed from minimum to maximum delay with fixed linear increments at each delay step in order to determine the resolution and accuracy of the delay. An optimum delay size of both the coarse and the fine delay can be determined based on an application slowest frequency of operation. A spare coarse delay and a functional coarse delay can be trained in association with a spare fine delay and the functional fine delay can be updated in order to monitor the process, voltage, and temperature variation effects.