F.  Quadrelli, Panazzolo, F., Tiebout, M., Padovan, F., Bassi, M., and Bevilacqua, A., ?A 18.2-29.3 GHz Colpitts VCOs bank with -119.5 dBc/Hz Phase Noise at 1 MHz Offset for 5G Communications?, in 2019 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2019.