@conference {8094533, title = {A 21GHz 20.5\%-tuning range Colpitts VCO with -119 dBc/Hz phase noise at 1MHz offset}, booktitle = {ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference}, year = {2017}, month = {Sept}, pages = {91-94}, keywords = {BiCMOS integrated circuits, bipolar MMIC, current 17.5 mA, frequency 1 MHz, frequency 18.8 GHz to 23.1 GHz, Ge-Si alloys, microwave oscillators, oscillator figure-of-merit, phase noise, SiGe, SiGe BiCMOS Colpitts VCO, Silicon germanium, transformer-coupled varactor, Tuning, Varactors, very low phase noise, voltage 4 V, voltage controlled oscillator, voltage-controlled oscillators}, doi = {10.1109/ESSCIRC.2017.8094533}, author = {F. Boscolo and Padovan, F. and F. Quadrelli and Tiebout, M. and Neviani, A. and Bevilacqua, A.} } @article {6951466, title = {Design of Low-Noise K -Band SiGe Bipolar VCOs: Theory and Implementation}, journal = {IEEE Transactions on Circuits and Systems I: Regular Papers}, volume = {62}, number = {2}, year = {2015}, month = {Feb}, pages = {607-615}, keywords = {$K$-band, Backhaul communications, bipolar transistor, Capacitance, phase noise, Q-factor, Tuning, Varactors, voltage controlled oscillator, voltage-controlled oscillators}, issn = {1549-8328}, doi = {10.1109/TCSI.2014.2364100}, author = {Padovan, F. and Tiebout, M. and Mertens, K.L.R. and Bevilacqua, A. and Neviani, A.} }