6.25 GHz, 1 mV input resolution auxiliary circuit assisted comparator in 65 nm CMOS process. - Siddharth Rajkumar Kala; Sushma Chandaka; Nithin Kumar Yernad Balachandra; Vasantha Moodabettu Harishchandra; Edoardo Bonizzoni (IET Circuits Devices Syst., 2020)