F. Buccoleri, Dartizio, S. M., Tesolin, F., Avallone, L., Santiccioli, A., Iesurum, A., Steffan, G., Cherniak, D., Bertulessi, L., Bevilacqua, A., Samori, C., Lacaita, A. L., and Levantino, S.,
“A 72-fs-Total-Integrated-Jitter Two-Core Fractional-N Digital PLL With Digital Period Averaging Calibration on Frequency Quadrupler and True-in-Phase Combiner”,
IEEE Journal of Solid-State Circuits, vol. 58, pp. 634-646, 2023.