A 0.98 pJ/Cycle 3.7 ppm Long-Term Stability Frequency-Locked Oscillator with Switched-Capacitor and Switched-Resistor Techniques. - Yun-Sheng Hsieh; Bo-Sheng Li; Kuang-Wei Cheng (ISCAS, 2023)

Design and Analysis of a Resistive Frequency-Locked Oscillator With Long-Term Stability Using Double Chopper Stabilization. - Kuang-Wei Cheng; Sheng-Kai Chang; Bo-Sheng Li; Zhi-Ting Tsai (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)