References
- Abidi A.A., Phase Noise and Jitter in CMOS Ring Oscillators, in IEEE Journal of Solid-State Circuits, vol. 41, no. 8, pp. 1803-1816, Aug. 2006, doi: 10.1109/JSSC.2006.876206.
- Borgmans J., Riem R., Rombouts P., The Analog Behavior of Pseudo Digital Ring Oscillators Used in VCO ADCs, in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 7, pp. 2827-2840, July 2021, doi: 10.1109/TCSI.2021.3073817.
- Gielen G.G.E., Hernandez L., Rombouts P., Time-Encoding Analog-to-Digital Converters: Bridging the Analog Gap to Advanced Digital CMOS-Part 1: Basic Principles, in IEEE Solid-State Circuits Magazine, vol. 12, no. 2, pp. 47-55, Spring 2020, doi: 10.1109/MSSC.2020.2987536 (2020a).
- Gielen G.G.E., Hernandez L., Rombouts P., Time-Encoding Analog-to-Digital Converters: Bridging the Analog Gap to Advanced Digital CMOS-Part 2: Architectures and Circuits, in IEEE Solid-State Circuits Magazine, vol. 12, no. 3, pp. 18-27, Summer 2020, doi: 10.1109/MSSC.2020.3002144 (2020b).
- Hovin M., Olsen A., Lande T.S., Toumazou C., Delta-sigma modulators using frequency-modulated intermediate values, in IEEE Journal of Solid-State Circuits, vol. 32, no. 1, pp. 13-22, Jan. 1997, doi: 10.1109/4.553171.
- Kim J., Jang T.-K., Yoon Y.-G., Cho S., Analysis and Design of Voltage-Controlled Oscillator Based Analog-to-Digital Converter, in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 57, no. 1, pp. 18-30, Jan. 2010, doi: 10.1109/TCSI.2009.2018928.
- Zhong Y., Sun N., A survey of voltage-controlled-oscillator-based ΔΣ ADCs, in Tsinghua Science and Technology, vol. 27, no. 3, pp. 472-480, June 2022, doi: 10.26599/TST.2021.9010037.