A 28.5-33.5GHz fractional-N PLL using a 3rd order noise shaping time-to-digital converter with 176fs resolution. - Mehmet Batuhan Dayanik; Nicholas Collins; Michael P. Flynn (ESSCIRC, 2015)

A 36.3-to-38.2GHz -216dBc/Hz2 40nm CMOS fractional-N FMCW chirp synthesizer PLL with a continuous-time bandpass delta-sigma time-to-digital converter. - Daniel Weyer; Mehmet Batuhan Dayanik; Sunmin Jang; Michael P. Flynn (ISSCC, 2018)

Digital Fractional-N PLLs Based on a Continuous-Time Third-Order Noise-Shaping Time-to-Digital Converter for a 240-GHz FMCW Radar System. - Mehmet Batuhan Dayanik; Michael P. Flynn (IEEE J. Solid State Circuits, 2018)

Design Considerations for Integrated Radar Chirp Synthesizers. - Daniel Weyer; Mehmet Batuhan Dayanik; Lu Jie 001; Ahmed Albalawi; Abdulhamed Alothaimen; Mohammed Aseeri; Michael P. Flynn (IEEE Access, 2019)