A 0.48$^{ circ}$ Phase Error 91.1 dB SNR Bioimpedance Measurement IC for Monitoring Cardiopulmonary Diseases. - Jiarun Yuan; Yanxing Suo; Qiao Cai; Hui Wang 023; Yongfu Li 002; Yong Lian 001; Yang Zhao 007 (IEEE Trans. Biomed. Circuits Syst., 2025)