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Power supply with a digital feedback loop

  • US 7,324,354 B2
  • Filed: 07/06/2006
  • Issued: 01/29/2008
  • Est. Priority Date: 07/08/2005
  • Status: Active Grant
First Claim
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1. A wide range power supply device for protein electrophoresis, isoelectric focusing and electrophoretic blotting, comprising:

  • a power conversion stage, havingan input rectifier connected with a utility supply;

    a dc/dc converter connected with the input rectifier;

    a resonant inverter connected with the dc/dc converter;

    a transformer connected with the resonant inverter; and

    a voltage multiplier connected with the transformer and connected with an output voltage of the wide range power supply device;

    a power supply controller operatively coupled with the dc/dc converter and the resonant inverter, wherein the power supply controller is coupled with the output voltage via one or more feedback loops; and

    a supervisory controller operatively coupled with the power supply controller, wherein the coupling is accomplished with an optically isolated digital interface.

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