A 1.8GΩ-Input-Impedance 0.15µV-Input-Referred-Ripple Chopper Amplifier with Local Positive Feedback and SAR-Assisted Ripple Reduction. - Tianxiang Qu; Qinjing Pan; Xiaoyang Zeng; Zhiliang Hong; Jiawei Xu 001 (CICC, 2022)

A 0.5mΩ/√Hz 106dB SNR 0.45cm2 Dry-Electrode Bioimpedance Interface with Current Mismatch Cancellation and Boosted Input Impedance of 100MΩ at 50kHz. - Qinjing Pan; Tianxiang Qu; Biao Tang; Fei Shan; Zhiliang Hong; Jiawei Xu 001 (ISSCC, 2022)

A 7.5GΩ-Input-Impedance 109dB-Total-CMRR and 80VPP-CMI-Tolerance Instrumentation Amplifier for Dry-Contact Two-Electrode ECG Monitoring. - Tianxiang Qu; Qinjing Pan; Biao Tang; Zhiliang Hong; Jiawei Xu 001 (BioCAS, 2023)

A 0.5-mΩ/√Hz Dry-Electrode Bioimpedance Interface With Current Mismatch Cancellation and Input Impedance of 100 MΩ at 50 kHz. - Qinjing Pan; Tianxiang Qu; Biao Tang; Fei Shan; Zhiliang Hong; Jiawei Xu 001 (IEEE J. Solid State Circuits, 2023)

A 1.8-GΩ Input-Impedance 0.15-μV Input-Referred-Ripple Chopper Amplifier With Local Positive Feedback and SAR-Assisted Ripple Reduction. - Tianxiang Qu; Qinjing Pan; Liheng Liu; Xiaoyang Zeng; Zhiliang Hong; Jiawei Xu 001 (IEEE J. Solid State Circuits, 2023)

A 1kHz-to-62MHz 2.06zFrms Resolution Lock-in Amplifier with SAR-assisted Parasitic and Baseline Capacitance Compensation. - Minge Jiang; Shen Ye; Tianxiang Qu; Tian Dong; Qinjing Pan; Zhiliang Hong; Jiawei Xu 001 (A-SSCC, 2024)

A 97.3dB SNR Bioimpedance AFE with -84dB THD Segmented-ΔΣM Sinusoidal Current Generator and Passing-Through Instrumentation Amplifier. - Qinjing Pan; Qi Luo; Tianxiang Qu; Liheng Liu; Xiao Li; Min Chen; Zhiliang Hong; Jiawei Xu 001 (VLSI Technology and Circuits, 2024)

A 97.3-dB SNR Bioimpedance AFE With -84-dB THD Segmented- ΔΣ M Sinusoidal Current Generator and Passing-Through Instrumentation Amplifier. - Qinjing Pan; Qi Luo; Tianxiang Qu; Liheng Liu; Xiao Li; Min Chen; Zhiliang Hong; Jiawei Xu 001 (IEEE J. Solid State Circuits, 2025)