A 4.25GHz-4.75GHz calibration-free fractional-N ring PLL using hybrid phase/current-mode phase interpolator with 13.2dB phase noise improvement.
Romesh Kumar NandwanaTejasvi AnandSaurabh SaxenaSeong Joong KimMrunmay TalegaonkarAhmed ElkholyWoo-Seok ChoiAmr ElshazlyPavan Kumar HanumoluPublished in: VLSIC (2014)