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  • Eddy Current Profiles Parts
    Eddy current inspection of industrial machining processes has evolved over the past several decades to the point where it is now a well understood and effectively used technology capable of making a positive and consistent impact on quality assurance - but it can do more. While eddy current is used
  • Low-Voltage, Low-Power CMOS Current Conveyors
    Low-Voltage, Low-Power CMOS Current Conveyors. Providing a brief history of the first and second generation CC, this text goes on to describe LV LP CCII implementations, their evolution towards differential and generalized topologies, and new possible CCII applications in some basic analog
  • Ground-fault interrupters
    as an example of how these switches operate. Phase and neutral power conductors pass through a toroidal (differential) current transformer. Under normal conditions, the vector sum of the currents in the live and neutral conductors will equal zero. In an unhealthy circuit a residual current flows
  • Driving Diode Lasers
    rises steeply with increasing diode operating current. The correlation between the optical output power and the diode current is linear up to the maximum power, called differential efficiency (Figure 1). One crucial figure often overlooked in handling diode lasers is the influence of temperature
  • NEC Corporation High-resolution Measurement by a High-T Superconductor Sampler
    Abstract-We measured a signal current waveform by using a. high-Ti superconductor (HTS) sampler with a 1-ps delay be. tween every sampling point. The maximum time differential. obtained in the measured waveform was 12 jiA]ps with 2.5-jiA. current seusitiiitv at 25 K. This result guarantees
  • Automatic Accelerometer Calibration System (.pdf)
    The customer's Automated Accelerometer Calibration System provides NIST traceable calibration of most accelerometer types, whether self-generating piezo-electric or accelerometers requiring current or voltage excitation. The output of the accelerometer can be charge or voltage, single- ended
  • AN-0300 - High Voltage Op-Amp Application Using Opto-Couplers
    Op-Amp, but in this case, differential output currents are optically. coupled to a pair of optocoupler cells in series across high voltage rails.
  • Introduction
    guide and demonstration videos are also available on the website. Application-based examples in the text and on the website include the calculation of currents in biological tissue under electrical stimulation, superconducting magnetic shielding, magnetic levitation, electromagnetic nondestructive
  • Conductivity Level Switches
    the circuit which, in turn, changes the condition of the transistor output. Output options can be used to actuate relays, indicator lights, or interface with controllers. Conductivity sensors can work in either single-point or differential mode. In single-point mode, sensor current (usually about 1.5 mA at 12
  • Optical Phase Interrogation - A Cost-Effective Solution for Sensing Strain with Polymer Optical Fibers
    Strain sensing solutions based on polymer optical fibers (POF) provide designers with low-cost sensing solutions that are lightweight, immune to electromagnetic interference (EMI) and electromagnetic susceptibility (EMS) and do not require electrical current at the sensing point. To perform strain

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