A rotary-traveling-wave-oscillator-based all-digital PLL with a 32-phase embedded phase-to-digital converter in 65nm CMOS. - Koji Takinami; Richard Strandberg; Paul C. P. Liang; Gregoìre Le Grand de Mercey; Tony Wong; Mahnaz Hassibi (ISSCC, 2011)

A Distributed Oscillator Based All-Digital PLL With a 32-Phase Embedded Phase-to-Digital Converter. - Koji Takinami; Richard Strandberg; Paul C. P. Liang; Gregoìre Le Grand de Mercey; Tony Wong; Mahnaz Hassibi (IEEE J. Solid State Circuits, 2011)