[P-5-15L] Low-Voltage and High-Speed Voltage-Controlled Ring Oscillator with Widely Tuning Range in 0.18µm CMOS Y. S. Tiao1, M. L. Sheu1, L. J. Tsao1 (1.National Chi-Nan Univ. , Taiwan) https://doi.org/10.7567/SSDM.2010.P-5-15L