| 摘要 |
A power source device is disclosed with a transformer having a plurality of windings provided with the secondary of the transformer, first and second smoothing means connected to a predetermined winding in the plurality of windings, a first voltage detection means for detecting a change of an output voltage from the first smoothing means and means for superimposing an output from the first voltage detection means on an output from the second smoothing means and feeding back a superimposed value to the primary of the transformer. The disclosed power source device has less ripple in the output and is stably responsive to an abrupt change of load.
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