An 8MHz 31.25kS/s Impedance-Monitoring IC Based on IF-Sampling Architecture with a Band-Pass Delta-Sigma ADC. - Soon-Jae Kweon; Joonho Gil; Chulhyun Park; Sein Oh; Yoontae Jung; Injun Choi; Song-I Cheon; Hung Phan Dang; Ja-Hyuck Koo; Geunhoe Kim; Sohmyung Ha; Minkyu Je (VLSI Circuits, 2021)