Injection-locked phase-locked loop with a self-aligned injection window
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United States of America Patent
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Apr 30, 2013
Grant Date -
Mar 15, 2012
app pub date -
Sep 2, 2011
filing date -
Sep 10, 2010
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Abstract
An injection-locked phase-locked loop (ILPLL) with a self-aligned injection window is disclosed. In the ILPLL, a phase detector is provided to detect a phase difference between a pair of differential terminals of an injection-locked voltage-controlled oscillator (ILVCO) of the ILPLL. According to the detection, the phase detector generates a control signal, to align an oscillation output, generated from the pair of differential terminals of the ILVCO, with an injection pulse utilized in the ILVCO.
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