An 8.55-17.11-GHz DDS FMCW Chirp Synthesizer PLL Based on Double-Edge Zero-Crossing Sampling PD With 51.7-fsrms Jitter and Fast Frequency Hopping. - Xiao, Jinhai; Liang, Ning; Chen, Bingwen; Liu, Maliang (IEEE Trans. Very Large Scale Integr. Syst., 2022)