| 摘要 |
A DC voltage control circuit comprising DC superposing means for superposing a control signal an input signal; discriminating means for discriminating an output of the superposing means with a plurality of discriminating levels including a center level and for providing a regenerated output digital signal and an error digital signal; control signal generating means for providing control signal in response to the error digital signal; and limiter means for limiting the output of said discriminating means to be within a predetermined range which is less than a spacing between said discriminating level and the center level.
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