Fast start-up circuit for a prescaler device
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United States of America Patent
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Issued Date -
Jun 23, 2005
app pub date -
Dec 22, 2003
filing date -
Dec 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system of the present inventions provide a fast start-up circuit for a prescaler device. A start-up circuit for reducing delay at a transition from a reset mode to a normal operation mode of a prescaler may include an input for receiving an input voltage; a first switch for biasing the input voltage at a source voltage during a reset mode; a second switch for generating an output voltage at ground during the reset mode; and an output for transmitting the output voltage to a counter; wherein the first switch and the second switch are disabled at a start of the normal operation mode and the input voltage is pulled down from the source voltage to less than approximately 1/2 of the source voltage during the transition so that the output makes a substantially full swing at a first pulse.
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