24.7 A 673µW 1.8-to-2.5GHz dividerless fractional-N digital PLL with an inherent frequency-capture capability and a phase-dithering spur mitigation for IoT applications. - Yuming He; Yao-Hong Liu; Takashi Kuramochi; Johan H. C. van den Heuvel; Benjamin Busze; Nereo Markulic; Christian Bachmann; Kathleen Philips (ISSCC, 2017)

An Ultra-Low Power 1.7-2.7 GHz Fractional-N Sub-Sampling Digital Frequency Synthesizer and Modulator for IoT Applications in 40 nm CMOS. - Yao-Hong Liu; Johan H. C. van den Heuvel; Takashi Kuramochi; Benjamin Busze; Paul Mateman; Vamshi Krishna Chillara; Bindi Wang; Robert Bogdan Staszewski; Kathleen Philips (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)