A PVT-Insensitive Capacitance-to-Digital Converter Using Ring-Based Time-Domain Quantizer. - Rongfeng Xu; Zenan Zeng; Run Chen; Zhenqi Chen; Yonggang Chen; Zhijian Chen; Zhijian Li; Zhaohui Wu 004; Bin Li 007 (ISCAS, 2021)

A Calibration-Free 13b 625MS/s Tri-State Pipelined-SAR ADC with PVT-Insensitive Inverter-Based Residue Amplifier. - Xiaofeng Guo; Run Chen; Rongfeng Xu; Bin Li 007; Zhenqi Chen (CICC, 2022)