Injection Locking of Ring Oscillators with Digitally Controlled Delay Modulation. - Vishnu Unnikrishnan 001; Okko Järvinen; Kari Stadius; Marko Kosunen; Jussi Ryynänen (ISCAS, 2020)

A 100-750 MS/s 11-Bit Time-to-Digital Converter With Cyclic-Coupled Ring Oscillator. - Okko Järvinen; Vishnu Unnikrishnan 001; Waqas Siddiqui; Teuvo Korhonen; Kimmo Koli; Kari Stadius; Marko Kosunen; Jussi Ryynänen (IEEE Access, 2021)

Data Conversion With Subgate-Delay Time Resolution Using Cyclic-Coupled Ring Oscillators. - Vishnu Unnikrishnan 001; Okko Järvinen; Waqas Siddiqui; Kari Stadius; Marko Kosunen; Jussi Ryynänen (IEEE Trans. Very Large Scale Integr. Syst., 2021)

Design of Cyclic-Coupled Ring Oscillators with Guaranteed Maximal Phase Resolution. - Okko Järvinen; Vishnu Unnikrishnan 001; Ilia Kempi; Kari Stadius; Marko Kosunen; Jussi Ryynänen (ISCAS, 2022)

A 0.9-Nyquist-Band Digital Timing Mismatch Correction for Time-Interleaved ADCs Achieving Delay Tuning Range of 0.12-Sample-Period. - Ilia Kempi; Okko Järvinen; Marko Kosunen; Vishnu Unnikrishnan 001; Kari Stadius; Jussi Ryynänen (ISCAS, 2022)

Energy-Efficient Cyclic-Coupled Ring Oscillator With Delay-Based Injection Locking. - Okko Järvinen; Vishnu Unnikrishnan 001; Ilia Kempi; Santeri Porrasmaa; Kari Stadius; Marko Kosunen; Jussi Ryynänen (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

Analysis and Design of Constant-Slope Voltage-to-Time Converters. - Santeri Porrasmaa; Okko Järvinen; Ilia Kempi; Kari Stadius; Marko Kosunen; Jussi Ryynänen (ISCAS, 2024)