A 4-Element Passive-Beamforming CT- ΔΣ ADC for Spatial Selectivity in Automotive Radar. - Remco Schalk; Zitao Zhu; Marios Neofytou; Patrick van Mourik; Qilong Liu; Shagun Bajoria; Georgi I. Radulov; Lucien J. Breems (IEEE Trans. Circuits Syst. I Regul. Pap., 2025)