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  1. mdgtech1

    Negative 48 VDC Supply Input Circuit

    sure, a Lorain power source, in an outdoor basestation environment will provide power to a controller I'm tasked to design. The controller itself is very straight forward and I can get everything I need to do with less than 300mA at +5VDC. Where I need help is how to convert the -48VDC to any...
  2. mdgtech1

    Negative 48 VDC Supply Input Circuit

    I am tasked with designing a DC input circuit which receives as its power source, negative 48 VDC. IE, the power source has its positive terminal referenced to Earth GND and the negative terminal is HOT. Are there any reference docs or advice on where to start? thanks for any and all advice...

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