1. Phase-lock loop-based clocking system, methods and apparatus

    Phase-lock loop-based clocking system, methods and apparatus

    In part, the invention relates to an optical coherence tomography system that includes one or more phased-locked loop circuits. In one embodiment, the phased-locked loop circuit includes a phase detector, a loop filter, and a voltage controlled oscillator wherein the phased-locked loop circuit is configured to generate a sample clock. The optical coherence tomography system can include an analog to digital converter having a sample clock input, an interferometric signal input, and a sample data output, the analog to digital converter configured to receive the sample clock and sample OCT data in response thereto. In one embodiment, the phased-locked loop ...

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