A Low-Jitter and Low-Fractional-Spur Ring-DCO-Based Fractional-N Digital PLL Using a DTC's Second-/Third-Order Nonlinearity Cancellation and a Probability-Density-Shaping ΔΣM.
Chanwoong HwangHangi ParkYongsun LeeTaeho SeongJaehyouk ChoiPublished in: IEEE J. Solid State Circuits (2022)