Low phase noise, high resolution digitally-controlled ring oscillator operating at 2.2GHz. - Santthosh Selvaraj; Erkan Bayram; Renato Negra (MOCAST, 2020)

System-level model of a two-step locking technique applied in an all-digital Phase-locked loop. - Santthosh Selvaraj; Erkan Bayram; Renato Negra (MOCAST, 2022)