Pulse delay circuit and A/D converter including same
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United States of America Patent
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Apr 26, 2011
Grant Date -
Jun 17, 2010
app pub date -
Dec 9, 2009
filing date -
Dec 12, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
The pulse delay circuit includes a plurality of delay units connected in series or in a ring, each of the delay units being constituted of at least one inverter gate circuit grounded to a ground line, and configured to delay a pulse signal passing therethrough by a delay time thereof depending on an input signal applied thereto, and a capacitor connected between a signal line through which the voltage signal is applied to each of the delay units and the ground line. The capacitor serves as a current source to supply a current which each of the delay units consumes to invert a state thereof.
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