Wei-Sung Chang, Dai-En Jhou, Yu-Hong Yang, Tai-Cheng Lee. An energy-efficient self-charged crystal oscillator with a quadrature-phase shifter technique. In IEEE Asian Solid-State Circuits Conference, A-SSCC 2017, Seoul, Korea (South), November 6-8, 2017. pages 53-56, IEEE, 2017. [doi]
Abstract is missing.