Clock generator for digital video signal processing apparatus
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United States of America Patent
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Mar 7, 2000
Grant Date -
N/A
app pub date -
Apr 8, 1997
filing date -
Apr 22, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A clock generation circuit for a digital video processing apparatus which has a simple structure and can be stably worked in both luminance and color signal systems. A color burst phase error signal indicative of phase difference of a color burst signal is produced on the basis of two color difference signals, a sampling clock signal is generated in accordance with the color burst phase error signal, the sampling clock is divided in order to produce a chrominance subcarrier signal, and the phase of the chrominance subcarrier signal is adjusted in accordance with the color burst phase error signal.
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