A calibration-free multi-phase sampling Type-II PLL. - Haojie Xu; Gaofeng Jin; Jianan Wu; Huanan Guo; Xun Luo; Xiang Gao (ICTA, 2021)

A Flexible 0.73-15.5 GHz Single LC VCO Clock Generator in 12 nm CMOS. - Haojie Xu; Bao Luo; Gaofeng Jin; Fei Feng; Huanan Guo; Xiang Gao (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

+A 112Gbps DSP-Based PAM4 SerDes Receiver with a Wide Band Equalization Tuning AFE in 7nm FinFET. - Huanan Guo; Yufeng Yao; Jiazhen Ni; Xiang Gao (ICTA, 2024)