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  • AC-DC Conversion
    In most power electronic applications, the power input is in the form of a 50 Hz or 60 Hz sine-wave AC voltage provided by the electric utility, which is then converted to a DC voltage. Increasingly, the trend is to convert the input AC into DC in an uncontrolled manner, using rectifiers and diodes
  • Supplying an AC/DC Power Supply
    to work from 100VAC to 240VAC) or fixed input AC/DC supplies (designed to work at 115VAC or 230VAC) will probably work with a DC input and the only difference in operation would be that only two of the diodes forming the bridge rectifier would be utilised. A linear power supply that has a transformer
  • Transformerless Power Supplies: Resistive and Capacitive
    There are several ways to convert an AC voltage at a wall receptacle into the DC voltage required by a microcontroller. Traditionally, this has been done with a transformer and rectifier circuit. There are also switching power supply solutions, however, in applications that involve providing a DC

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