A 0.18- μ m CMOS mixed analog-digital photon-counting readout chip with multi-threshold adjustability for CT pixel array detectors. - Zhuoyin Chen; Yongle Wu; Jikun Tan; Zhixuan Gong; Pengshuai Liu; Bo Huang; Zunchang Feng; Yuhao Yang; Weimin Wang (Microelectron. J., 2026)