10.7 A 64GS/s 4×-Interpolated 1b Semi-Digital FIR DAC for Wideband Calibration and BIST of RF-Sampling A/D Converters. - Martin Clara; Daniel Gruber; Albert Molina; Matteo Camponeschi; Yu-shan Wang; Christian Lindholm; Hundo Shin; Ramón Sanchez-Perez; Christoph Duller; Patrick Torta; Kamran Azadet (ISSCC, 2021)