Frank Herzel Arzu Ergintav Yaoming Sun Phase Noise Modeling for Integrated PLLs in FMCW Radar. 137-141 2013 60-II IEEE Trans. Circuits Syst. II Express Briefs 3 https://doi.org/10.1109/TCSII.2013.2240852 db/journals/tcas/tcasII60.html#HerzelES13