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  • Digitally Addressable DALI Dimming Ballast App.
    . The design also includes a PIC16F628 microcontroller and an isolation circuit for connecting to a Digitally Addressable Lighting Interface (DALI). Other features include EMI filtering, transient protection and lamp FAULT protection.
  • Over-Voltage Protection for RS-485 Bus Nodes
    RS-485 has been widely deployed because of its large differential signal swing and reliable operation over a wide common-mode voltage range. However, with this widespread use comes an increasing demand for greater robustness. This article discusses the difference between over-voltage and transient
  • Considerations for Selecting Littelfuse MOVs and Fuses for Industrial Motor Applications (.pdf)
    in these locations in terms of suitably high energy and surge current values. Similarly, in selecting a load Fuse, it must obviously be of a value that will allow normal operation, including the allowance for certain fault conditions, but at the same time not open for the transient surges that the MOV
  • Improved Method for Arc Flash Hazard Analysis
    Conventional arc flash hazard calculators use simple formulae to calculate the flash protection boundary and the incident energy density, but these methods do not represent the effects of the power supply system correctly. A new method is described which models the transient response of a 3-phase
  • Code Design for Dependable Systems - Preface
    that can induce transient. errors. Transient errors are a dominant concern in today 's digital systems. Error control. coding is the most efficient and effective way to tolerate these errors, and is expected to. become ever more important in future VLSI systems. The challenge is to choose among many

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