| 摘要 |
The invention relates to a power supply unit for supplying power to a plasma display panel, wherein an active network filter without electrical isolation is provided for the generation of an essentially constant DC voltage from an AC supply voltage, a DC-DC voltage converter being connected to the output of the active network filter with at least one first and one second output and with electrical isolation between the constant DC voltage and the outputs, a regulator being assigned to the DC-DC voltage converter to regulate the voltage at the first output, and a voltage actuator being connected in series at least to the second output.
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