Digital phase locked loop

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United States of America Patent

PATENT NO 9893735
SERIAL NO

15591702

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A phase locked loop circuit (30, 100, 110) includes a controllable oscillator (42) for generating an output signal of desired frequency responsive to a control signal, a first phase detection circuit (32, 102, 112) for generating an output indicative of phase differential responsive to the output signal and a first edge of a reference signal and a second phase detection circuit (34, 104, 114) for generating an output indicative of phase differential responsive to the output signal and a second edge of a reference signal. The control signal to the controllable oscillator (42) is driven by the outputs of the first and second phase detections circuits.

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Patent Owner(s)

  • TEXAS INSTRUMENTS INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leipold, Dirk San Jose, US 83 2078
Staszewski, Robert Bogdan Delft, NL 140 1370

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