Abstract: Apparatus and methods for generating a drive signal of a switching signal are disclosed. A first circuit receives an oscillating reference signal, a first compensation signal, a second compensation signal, and a third compensation signal. The first compensation signal is indicative of an error between an output voltage of a power converter and a reference voltage. The second compensation signal is indicative of the error relative to a threshold. The third compensation signal is indicative of an output current of the power converter. The first circuit generates a comparison signal having a waveform including pulses having durations based at least partly on a combination of the periodic reference signal, the first compensation signal, the second compensation signal, and the third compensation signal. A second circuit receives a clock signal and the comparison signal and generates a drive signal for activation and deactivation of a driver transistor.

Abstract: Disclosed herein is a solar cell system including: a solar cell; a load controller connected to the solar cell, the load controller being capable of controlling a load applied to the solar cell; an output measuring unit for measuring a power generation output of the solar cell; and an output predicting unit for predicting a value to be reached by the output on a basis of transient response of the output measured by the output measuring unit, wherein the solar cell system has a function of controlling the load controller so as to maximize the value to be reached.

Abstract: A switching regulator circuit and a reference compensation module employed for compensating a reference signal in the switching regulator circuit. The switching regulator circuit with a reference ground having an average offset voltage referenced to a package ground pin, wherein the average offset voltage is proportional to an output current of the switching regulator circuit with a first factor. The reference compensation module may be configured to receive a second reference signal having a bandgap reference voltage with respect to the reference ground and a reference compensation signal proportional to the output current with a second factor, and configured to provide the first reference signal based on compensating the second reference signal with the reference compensation signal to substantially cancel out the average offset voltage from the first reference signal with respect to the ground pin.

Abstract: The present invention provides a method and apparatus for reducing electromagnetic noise pick up in a Liquid Metal Cleanliness Analyzer (LiMCA), used to detect and measure particles in molten metal. An first electrode inserted in the molten metal is electrically insulated from second and third electrodes, also inserted in the molten metal. Molten metal and particles pass between the first electrode and the second and third electrodes through a passage in the electrical insulation. The second and third electrodes have a configuration with respect to the first electrode sufficient to establish symmetrical current loops between the first electrode and the second and third electrodes when a current is supplied to the second and third electrodes. The current is supplied from an ultra-capacitor. Electromagnetic noise in the symmetrical current loops is detected and is added in opposition to reduce the amplitude of the electromagnetic noise.

Abstract: A signal detection circuit is provided, and includes a signal conversion module, a threshold control module, and a comparison module. The signal conversion module is configured to: convert a reference voltage signal into a reference current signal, and send the reference current signal to the threshold control module; convert a voltage signal to be detected into a current signal to be detected, and send the current signal to be detected to the comparison module. The threshold control module is configured to: generate a threshold current signal according the reference current signal, and send the threshold current signal to the comparison module; and receive a threshold control signal, and change magnitude of the threshold current signal according to the threshold control signal. The comparison module is configured to compare magnitude of the current signal to be detected with the magnitude of the threshold current signal, and output a comparison result.

Abstract: A current sensor includes a first support configured to include a cutout portion, a first magnetic detector element group configured to be provided in the first support, a second support configured to include a cutout portion, and a second magnetic detector element group configured to be provided in the second support. The cutout portion includes a supporting surface supporting a current line. In the current sensor, when the current line conducting therethrough a current to be measured is attached, the first support and the second support are displaced in the circumferential direction of the current line and fixed, and the current line is supported by supporting surfaces, in different positions in the axis line direction of the corresponding current line.

Abstract: A method and system are provided for operating a mobile device having a magnetometer. The method includes obtaining a plurality of error indicators associated with the magnetometer. At least two of the plurality of error indicators have different criteria for error. The method also includes determining an instruction for operating the mobile device using the plurality of error indicators.

Abstract: The present invention relates to a reluctance resolver (100) with an at least partially soft magnetic stator (104) and an at least partially soft magnetic rotor (102) which oppose each other by forming an air gap. The magnetic resistance in the air gap changes periodically on account of a configuration of the rotor that varies over the circumference. The angle sensor has a magnetic flux transmitter which is arranged on the stator and generates a predefined magnetic flux distribution in the air gap via at least one pair of poles. Furthermore, a magnetic flux receiver, which measures the intensity of the magnetic field via at least two pairs of signal poles arranged offset from one another at an angle, is arranged on the stator, wherein an angle value for a position of the rotor in relation to the stator can be derived from the two receiver signals.

Abstract: In an electromagnetic induction type absolute position measuring encoder having two or more tracks which includes: two or more rows of scale coils, each row including scale coils numerously arranged on a scale along a measuring direction so as to have a scale pitch different from that of another row; and transmitter coils and receiver coils provided on a movable grid relative to the scale in the measuring direction so as to face the scale coils, and which can measure an absolute position of the grid with respect to the scale on the basis of a flux change detected at the receiver coil via the scale coil when the transmitter coil is excited, coil lines are added to at least one side of the scale coils in the measuring direction at least in one of the tracks.

Abstract: In a method for monitoring the determination of a rotor angle of a rotating shaft by use of a resolver monitoring the determination of the rotor angle is carried out by: a first test AC voltage at a test frequency which is not the same as an exciter frequency of the resolver is applied to a first stator winding of the resolver, and a second test AC voltage at the test frequency is applied to at least one second stator winding of the resolver, wherein the first and the second test AC voltages are produced such that an AC voltage is induced all the time in at least one rotor winding of the resolver as a result of the first and the second test AC voltages.

Abstract: A low-cost magnetic encoder that facilitates generating sinusoidal magnetic flux is provided. First and second permanent magnet arrays each include a plurality of permanent magnets arranged such that magnetic poles having the same polarity face each other, and magnetic yokes disposed on side surfaces of the plurality of permanent magnets. The permanent magnets and the magnetic yokes are arranged side by side at a predetermined pitch in the moving direction of a magnetic piece array. First and second magnetic detectors corresponding to the first and second permanent magnet arrays are disposed in a positional relationship allowing detection of leakage magnetic flux generated when the permanent magnet arrays and the magnetic piece array are displaced with respect to each other.

Abstract: A magnetic detection apparatus comprises: a magnetic detection section which is obtained by pressing a base including a magnetic detection device, and magnetic field generation means fixed to the base, into a cap so as to integrate the base, the magnetic field generation means, and the cap; and a secondary molding section including an attachment section for attaching the magnetic detection section, and a connector section for extracting a signal detected by the magnetic detection section.

Abstract: An insertion type eddy current flaw detection probe capable of more accurately detecting flaws in magnetic tubes is provided. A method for inspecting magnetic tubes for flaws with high accuracy is also provided. A eddy current flaw detection probe contains a cylindrical yoke (1), a plurality of detection coils (5) disposed around the central portion of the cylindrical yoke in the direction of a cylindrical axis thereof, first and second inner excitation coils (6) disposed on both sides of the plurality of detection coils in the direction of the cylindrical axis, and first and second permanent magnets (3, 4) disposed around the yoke on both sides of the first and second excitation coils in the direction of the cylindrical axis so that the direction of magnetizations thereof are parallel to the radial direction of the yoke and magnetic poles on the cylindrical yoke side thereof are different from each other.

Abstract: Methods and apparatus for characterizing composite materials for manufacturing quality assurance (QA), periodic inspection during the useful life, or for forensic analysis/material testing. System are provided that relate eddy-current sensor responses to the fiber layup of a composite structure, the presence of impact damage on a composite structure with or without a metal liner, volumetric stress within the composite, fiber tow density, and other NDE inspection requirements. Also provided are systems that determine electromagnetic material properties and material dimensions of composite materials from capacitive sensor inspection measurements. These properties are related to the presence of buried defects in non-conductive composite materials, moisture ingress, aging of the material due to service or environmental/thermal exposure, or changes in manufacturing quality.

Abstract: A system and method for imaging includes applying an RF excitation pulse to a region-of-interest (ROI) in the presence of a first slice selective gradient and applying a readout gradient to acquire a echo signal from the ROI, wherein a time between the RF excitation pulse and the echo signal define an echo time (TE). A saturation module is applied to the ROI including an RF pulse configured to provide a TE-independent steady state and enforcing a predetermined time period (TR0) selected to elapse between the RF pulse of the saturation module and a subsequent application of the RF excitation pulse during repetitions of the above-described portions of the process. An image of the ROI is reconstructed using the acquired echo signals, for example, a T2-weighted image having reduced underestimations of T2 that plague traditional T2-weighted imaging processes using a short TR with a spin-echo (SE) pulse sequence.

Abstract: First magnetic resonance imaging (MRI) three-dimensional heart image data includes a plurality of two-dimensional heart image data superimposed and having a resolution in at least one direction that is different from that in two other directions. A first axis is detected in the three-dimensional heart image data. A first vector is calculated as passing through the first axis and having at least a predetermined resolution and generated image data on a plane passing through the first axis and the first vector is generated from the first imaging data. A second axis is detected relating to the heart from the generated image data, the second axis being a higher precision axis than the first axis.

Abstract: In a magnetic resonance (MR) apparatus and an operating method for the apparatus, image distortions are corrected that occur in exposures of diffusion-weighted MR images of an examination subject. A diffusion-weighted image is acquired using a first acquisition process. Another diffusion-weighted reference image is acquired using a second acquisition process that is different than the first acquisition process. The second acquisition process causes significantly smaller eddy current-dependent image distortions than the first acquisition process given the same b-value. Correction parameters to correct the image distortions of the diffusion-weighted image are determined by comparing the diffusion-weighted image with the reference image in order to determine the correction parameters such that the diffusion-weighted image can be converted into the reference image with the aid of the correction parameters.

Abstract: In the acquisition of magnetic resonance data from an examination subject according to a pulse sequence that causes radiation into the examination subject of a radiated radio frequency (RF) pulse having a frequency spectrum and a slice profile with a relationship therebetween, the examination subject is substantially simultaneously, with the radiated RF pulse, to a non-linear magnetic field that alters the relationship in the radiated RF pulse between the frequency spectrum and the slice profile. The alteration of this relationship can be used, for example, to reduce the specific absorption rate (SAR) of the examination subject during the acquisition of the magnetic resonance data.

Abstract: A magnetic resonance system is disclosed, with a tunnel for accommodating an object under investigation and at least one local coil array. In at least one embodiment, the local coil array is arranged in a fixed position within the tunnel and in the longitudinal direction of the magnetic resonance system, where the geometry of the local coil array, in particular its diameter, can be altered. In at least one embodiment, for the purpose of arranging the local coil array on the patient's body, at least a proportion of the coils of the local coil array is attached to a fixture the volume of which can be altered, either hydraulically or pneumatically. The fixture is subdivided into chambers, the volumes of which can be altered separately in order to realize a bending of the fixture.

Abstract: A method for determining water saturation in a subsurface formation include determining an invasion depth in the formation from a plurality of measurements made within a wellbore drilled through the formation. The measurements have different lateral depths of investigation into the formation. Carbon and oxygen in the formation are measured at substantially a same longitudinal position as at a position of the determining the invasion depth. The measured carbon and oxygen and the invasion depth are used to determine the water saturation in a substantially uninvaded part of the formation.

Abstract: A receiver and tracking system for identifying a location of a magnetic field source. In a preferred embodiment a plurality of tri-axial antennas are positioned at three distinct points on a receiver frame. Each antenna detects a magnetic field from a source and a processor is used to determine a location of the source relative to the frame using the antenna signals. Each tri-axial antenna comprises three windings in each of three channels defined by a support structure. The windings each define an aperture area. The windings have substantially identical aperture areas and have a common center point. The receiver may to display to the operator the relative location of the field source or may direct the operator to a spot directly above the field source.

Abstract: Methods for geophysical surveying include disposing an electromagnetic source and first and second receiver electrodes in water; actuating the source; and detecting a responsive electromagnetic field by measuring a potential difference between the first and second receiver electrodes, wherein: the electromagnetic source defines a source dipole axis; the first and second receiver electrodes define a receiver dipole axis; and the source dipole axis is not substantially parallel to the receiver dipole axis. Systems for geophysical surveying include a first source electrode on a first source cable; a second source electrode on a different second source cable, the first and second source electrodes forming an electromagnetic source and defining a source dipole axis; a first receiver electrode on a first receiver cable; a second receiver electrode on a different second receiver cable, the first and second receiver electrodes defining a receiver dipole axis not substantially parallel to the source dipole axis.

Abstract: An apparatus and process is provided for detecting elemental mercury in soil. A sacrificial electrode of aluminum is inserted below ground to a desired location using direct-push/cone-penetrometer based equipment. The insertion process removes any oxides or previously found mercury from the electrode surface. Any mercury present adjacent the electrode can be detected using a voltmeter which indicates the presence or absence of mercury. Upon repositioning the electrode within the soil, a fresh surface of the aluminum electrode is created allowing additional new measurements.

Abstract: A measuring device is used in conjunction with a programmable controller for monitoring electrolyte levels in the battery. According to one implementation, the measuring device is located in a battery and is configured to detect when the electrolyte level in the battery falls below a particular level. The controller is in electrical communication with the electrolyte detection device. The controller is configured to: (i) receive a signal from the electrolyte level detection device indicating when the electrolyte level in the battery has fallen below the particular level; (ii) introduce a wait-period after the signal is received; and (iii) enable an indicator to indicate that the electrolyte level in the battery should be refilled when the wait-period expires.

Abstract: An electrochemical device includes at least one electrochemical cell having an anode electrode and a cathode electrode, a reservoir configured to store an electrolyte and a mass distribution measuring device. The mass distribution measuring device includes at least one of a scale, a first pressure sensor located in a lower portion of the reservoir and a second pressure sensor located in an upper portion of the reservoir, or at least one strain gauge or load cell configured to measure a change a weight of the at least one electrochemical cell.

Abstract: A testing device for solid oxide fuel cell (SOFC) is disclosed. The testing device which combines the original cell housing with a four-point probe equipment is set for measuring SOFC MEA. The current collectors on anode and cathode in the original cell housing are respectively replaced by four independent probe units. They are not only to collect current but also to become measuring probes. Therefore, the lateral impedance of anode and cathode can be measured. Furthermore, the local characteristics are examined by open circuit voltage (OCV), I-V curve, and electrochemical impedance spectroscopy (EIS) measurements. The results show that the lateral impedance is substantially varied with temperatures. The distributions of OCV, current density, EIS and cell voltage in long-term test at the center of the cell are different from the edge.

Abstract: A fast response output signal circuit (10) for a cold cathode gauge is provided to produce a fast response output signal (48) in addition to a voltage output signal (40) that is representative of the pressure in the cold cathode gauge. The fast response output signal (48) is either on or off, thus can be used to trigger a closing of an isolation valve or other responsive action upon a change in pressure that attains or exceeds a certain set point threshold. The fast response output signal is produced and processed with analog circuits, but the set point is produced with a microprocessor. The voltage output signal can be produced as a logarithmic function of the pressure.

Abstract: A ground leakage current measurement apparatus in an ungrounded DC power system including positive and negative electric lines includes a switching unit configured to perform switching to supply measurement power to a positive side ground resistor and a negative side ground resistor by using power of the electric lines; a measurement unit connected between the switching unit and the ground and configured to measure at least one of positive and negative side ground leakage currents; and a control unit configured to control the switching unit to discriminate a positive side ground leakage current operation and a negative side ground leakage current operation of the measurement unit.

Abstract: A diagnostic circuit for trouble shooting electronic control units of appliances includes a voltage sensing and signal generation device with an input/output and an input. The circuit includes first terminals for connecting to the load and second terminals for connecting to the two lines of the sinusoidal source. One of the first terminals is connected to the input/output, and another one of the first terminals is connected to the input. A relay is connected between one of the second terminals and the input/output. Another relay is connected between another one of the second terminals and the input. A first diode pair with clamping diodes is connected to the input/output, and a second diode pair first diode pair with clamping diodes is connected to the input.

Abstract: An apparatus for electrical impedance imaging has electrodes arranged on an electrode carrier in an arrangement including a unit of repetition. The unit of repetition repeats over the electrode carrier and has an angle of rotational symmetry less than 90°. Specifically, the unit of repetition is an equilateral triangle or a hexagon.

Abstract: A method for measuring s-parameters of an N-port device under test (DUT), using an N-port test fixture and a network analyzer. The method includes: measuring calibration errors of the N-port test fixture using a reduced set of N/2 calibration standards; measuring calibration errors due to the network analyzer by calibrating only the network analyzer using analyzer-only calibration standards; isolating test fixture s-parameters errors using results of the analyzer-only calibration standards measurement and the N-port test fixture calibration standard measurement; measuring the s-parameters errors of the DUT; and correcting the s-parameters errors of the DUT corresponding to the isolated test fixture s-parameters errors and the calibration errors of the network analyzer.

Abstract: An apparatus relating to on-chip noise measurement is disclosed. In such an apparatus, an asynchronous comparator receives a first input and a second input to provide a digital output. A threshold voltage generator receives a first periodic signal and a second periodic signal to provide the second input as an analog voltage responsive to the first and second periodic signals. A sampling circuit is coupled to receive the digital output signal and a third periodic signal. The sampling circuit is configured to sample the digital output signal using the third periodic signal to provide a sampled signal of the digital output signal. A processor is coupled to receive a delay signal and the sampled signal to determine a noise measurement signal for the first input signal.

Abstract: Various embodiments concern a method for forming a trace array by modeling a trace array having a plurality of traces, each trace having a plurality of trace segments corresponding to elements of a filter circuit having alternating high and low impedance elements. The alternating high and low impedance elements can correspond to inductors and capacitors. For each trace segment, a delay constant is measured between a plurality of nodes that are longitudinally arrayed along the trace segment. The delay constant can be a phase delay. The length of each trace segment is set based on the delay constant of the trace segment. The length of each trace segment can be set such that the trace has a linear group delay response across an operational frequency range of the flexure. A trace array is then formed based on the set lengths.

Abstract: A vehicle proximity switch and method are provided having sensitivity control based on a user selected sensitivity input. The switch includes a proximity sensor such, as a capacitive sensor, installed in a vehicle and providing a sense activation field. The proximity switch also includes control circuitry for processing the sense activation field to sense user activation of the switch by comparing the sense activation field to a threshold. The proximity switch further includes a user sensitivity input for receiving a user selected sensitivity input. The control circuitry controls sensitivity of the comparison based on the user selected sensitivity input.

Abstract: Disclosed herein are embodiments of devices for measuring electrical current and related systems and methods for forming and using such devices. According to certain embodiments, devices according to the present disclosure may comprise Rogowski coils. Also disclosed are systems and methods for forming a current measuring device using a bobbin that may allow for the use of a continuous length of wire for all windings associated with the current measuring device. Automated manufacturing techniques may be utilized to facilitate the manufacture of devices for measuring electrical current and/or may reduce the cost of such devices. Various embodiments disclosed herein include the use of a bobbin that may be selectively configured between a linear configuration and a closed configuration. One or more current sensors disclosed herein may be utilized in connection with a motor management relay or other type of intelligent electronic device.

Abstract: A particulate matter sensor includes first and second electrodes spaced from each other with a bias resistor connected between the first and second electrodes. The particulate matter sensor allows an open circuit fault condition in the sensor or in the connectors or wiring to the sensor to be detected. A sensing system using the particulate matter sensor and a method for diagnosing faults in a sensing system are also provided.

Abstract: A structure is described that includes a first faying surface, a second faying surface for creating an electrical bond with the first faying surface, and a sensor operatively placed proximate the first faying surface and the second faying surface. The sensor includes a current port for injecting a fixed current through the electrical bond, a voltage port for sensing a voltage across the electrical bond induced by the fixed current, a processing device programmed to determine a resistance of the electrical bond based on the fixed current and sensed voltage, and a wireless interface for transmitting at least one of the sensed voltage and the determined resistance to an external device.

Abstract: A method for scan-testing of an integrated circuit includes the following steps carried out by the circuit itself: upon powering on of the circuit, watching for bit sequences applied to a use pin configured for receiving serial data from the exterior at the rate of a clock signal applied to a clock pin; configuring the circuit in a test mode when a bit sequence is identified as a test initialization sequence; connecting latches of the circuit in a shift register configuration, and connecting the shift register for receiving a test vector in series from the use pin; switching the transfer direction of the use pin to the output mode for providing to the exterior serial data at the rate of the clock signal; and connecting the shift register for providing its content, as a test result set, in series on the use pin.

Abstract: An apparatus and a method for automated testing of electrostatic discharge of a Device Under Test (DUT) are provided. In the apparatus and the method, an electrostatic pulse is applied to the DUT, a malfunction type is detected from the DUT, and a control command is transmitted to the DUT to return a test mode of the DUT to a normal mode according to the detected malfunction type.

Abstract: A system for analyzing electronic devices includes an input station, a transport apparatus, an electric machine interface station, an electric machine interface, a support structure and first and second thermal components. The input station receives a plurality of electronic devices and the transport apparatus transports each of the electronic devices from the input station to the electric machine interface station. The electric machine interface engages the electronic device when the electronic device is at the electric machine interface station, and is disengageable from the electronic device for the electronic device to be transportable by the transport apparatus away from the electric machine interface station. The first and second thermal components are located on opposing sides of the electronic device when the electronic device is at the electric machine interface station to simultaneously transfer heat to or from the electronic device.

Abstract: A method and apparatus are provided for transmission/reception of signals between automatic test equipment (ATE) and a device under test (DUT). A probe card has a plurality of associated proximate active probe integrated circuits (APIC) connected to a plurality of probes. Each APIC interfaces with one or more test interface points on the DUT through probes. Each APIC receives and processes signals communicated between the ATE and the DUT. Low information content signals transmitted from the ATE are processed into high information content signals for transmission to the probe immediately adjacent the APIC, and high information content or time critical signals received by the APIC from the DUT are transmitted as low information content signals to the ATE. Because the APIC is immediately adjacent the probe there is minimum loss or distortion of the information in the signal from the DUT.

Abstract: Diagnostic tools for testing integrated circuit (IC) devices, and a method of making the same. The first diagnostic tool includes a first compliant printed circuit with a plurality of contact pads configured to form an electrical interconnect at a first interface between proximal ends of contact members in the socket and contact pads on a printed circuit board (PCB). A plurality of printed conductive traces electrically couple to a plurality of the contact pads on the first compliant printed circuit. A plurality of electrical devices are printed on the first compliant printed circuit at a location external to the first interface. The electrical devices are electrically coupled to the conductive traces and programmed to provide one or more of continuity testing at the first interface or functionality of the IC devices. A second diagnostic tool includes a second compliant printed circuit electrically coupled to a surrogate IC device.

Abstract: A test coupler for supplying a device under test with test signals contains a first coaxial connector, a waveguide port, and a first strip conductor. Test signals of a lower frequency range are supplied to the first coaxial connector. Test signals of an upper frequency range are supplied to the waveguide port. The test coupler guides the test signals on the first strip conductor to the device under test.

Abstract: A method provides an improved checking of repeatability and reproducibility of a measuring chain, in particular for quality control by semiconductor device testing. The method includes testing steps provided for multiple and different devices to be subjected to measurement or control through a measuring system that includes at least one chain of measuring units between a testing apparatus (ATE) and each device to be subjected to measurement or control. Advantageously, the method comprises checking repeatability and reproducibility of each type of unit that forms part of the measuring chain and, after the checking, making a correlation between the various measuring chains as a whole to check repeatability and reproducibility, using a corresponding device subjected to measurement or control.

Abstract: An integrated circuit substrate of an aspect includes a plurality of exposed electrical contacts. The integrated circuit substrate also includes an inaccessible set of Physically Unclonable Function (PUF) cells to generate an inaccessible set of PUF bits that are not accessible through the exposed electrical contacts. The integrated circuit substrate also includes an accessible set of PUF cells to generate an accessible set of PUF bits that are accessible through the exposed electrical contacts. Other apparatus, methods, and systems are also disclosed.

Abstract: A current-mode-logic gate designed to have a first electronic path and a second electronic path. Each electronic path has a pair of transistors. The second electronic path is physically separated and identical to the first electronic path. In operation, a first input signal is transmitted through the first electronic path of the current-mode-logic gate to produce a first output signal. Similarly, a second input signal is transmitted through the second electronic path of the current-mode-logic gate to produce a second output signal.

Abstract: An ODT circuit is activated/deactivated in response to a latency control signal or a clock enable signal. The ODT circuit includes an ODT control circuit and an ODT section. The ODT control circuit determines an ODT status based on a read latency control signal (RL) and/or a write latency control signal (WL) to generate an ODT control signal. The ODT section is activated/deactivated in response to the ODT control signal.

Abstract: There is provided a strata manager within a 3D chip stack having two or more strata. The strata manager includes a plurality of scannable configuration registers, each being arranged on a respective one of the two or more strata for storing a set of bits. The set of bits is configured to program an operation of a corresponding one of the two or more strata on which the set of bits is stored or a device thereon. Additionally, a stratum identifier within a 3D stack and stack-wide scan circuit within a 3D stack are provided.

Abstract: Testing power domains of a circuit design includes correlating, using a processor, a selected power domain of a circuit design having a plurality of power domains with a partial reconfiguration partition and implementing the circuit design within an integrated circuit. The partial reconfiguration partition is implemented within a reconfigurable region of the integrated circuit. A power off state for the selected power domain of the circuit design is emulated by partially reconfiguring the reconfigurable region of the integrated circuit.

Abstract: An integrated circuit (“IC”) that includes a configurable routing fabric with controllable storage elements is described. The routing fabric provides a communication pathway that routes signals to and from source and destination components. The routing fabric may provide the ability to selectively store the signals passing through the routing fabric within the storage elements of the routing fabric. In this manner, a source or destination component may continually perform operations (e.g., computational or routing) irrespective of whether a previous signal from or to such a component is stored within the routing fabric. The source and destination components include configurable logic circuits, configurable interconnect circuits, and various other circuits that receive or distribute signals throughout the IC.