A Fractional-N Bang-Bang PLL Based on Type-II Gear Shifting and Adaptive Frequency Switching Achieving 68.6 fs-rms-Total-Integrated-Jitter and 1.56 μs-Locking-Time.
Simone Mattia DartizioFrancesco BuccoleriFrancesco TesolinLuca AvalloneAlessio SanticcioliAgata IesurumGiovanni SteffanDmytro CherniakLuca BertulessiAndrea BevilacquaCarlo SamoriAndrea L. LacaitaSalvatore LevantinoPublished in: IEEE J. Solid State Circuits (2022)