Dynamically weighted exclusive or gate having weighted output segments for phase detection and phase interpolation

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United States of America

PATENT NO 12225104
APP PUB NO 20230327846A1
SERIAL NO

18334140

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Abstract

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Methods and systems are described for receiving a reference clock signal and a phase of a local oscillator signal at a dynamically-weighted XOR gate comprising a plurality of logic branches, generating a plurality of weighted segments of a phase-error signal, the plurality of weighted segments including positive weighted segments and negative weighted segments, each weighted segment of the phase-error signal having a respective weight applied by a corresponding logic branch of the plurality of logic branches, generating an aggregate control signal based on an aggregation of the weighted segments of the phase-error signal, and outputting the aggregate control signal as a current-mode output for controlling a local oscillator generating the phase of the local oscillator signal, the local oscillator configured to induce a phase offset into the local oscillator signal in response to the aggregate control signal.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tajalli, Armin Lausanne, CH 92 1347

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