Digital pulse-width control apparatus
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United States of America Patent
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May 5, 2009
Grant Date -
Jun 19, 2008
app pub date -
May 15, 2007
filing date -
Dec 15, 2006
priority date (Note) -
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Abstract
A digital pulse-width control apparatus including an input module, a digital delay locked loop, a plurality of programmable delay circuits connected in series, and a pulse-width modulation module is provided. The present invention uses the input module to vary a clock signal to reduce the limitation of a duty cycle of the clock signal to the digital pulse-width control apparatus.
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