A fully-digital calibration algorithm for VCO-based ADC. - Xinpeng Xing; Xinpeng Gui; Xinfa Zheng; Haigang Feng (Microelectron. J., 2023)

A 70dB SNDR 20MHz-BW VCO-Based CT Sturdy MASH Delta-Sigma Modulator with Robust Quantization Error Extraction. - Xinpeng Gui; Xinfa Zheng; Haigang Feng; Georges G. E. Gielen; Zhihua Wang 001; Xinpeng Xing (ISCAS, 2024)