@conference {580, title = {A 9GHz 72fs-Total-lntegrated-Jitter Fractional-N Digital PLL with Calibrated Frequency Quadrupler}, booktitle = {2022 IEEE Custom Integrated Circuits Conference (CICC)}, year = {2022}, doi = {10.1109/CICC53496.2022.9772796}, author = {Buccoleri, Francesco and Dartizio, Simone M. and Tesolin, Francesco and Avallone, Luca and Santiccioli, Alessio and Lesurum, Agata and Steffan, Giovanni and Bevilacqua, A. and Bertulessi, Luca and Cherniak, Dmytro and Samori, Carlo and Lacaita, Andrea L. and Levantino, Salvatore} }