Influence of novel MOS varactors on the performance of a fully integrated UMTS VCO in standard 0.25-μm CMOS technology. - Judith Maget; Marc Tiebout; Rainer Kraus (IEEE J. Solid State Circuits, 2002)

MOS varactors with n- and p-type gates and their influence on an LC-VCO in digital CMOS. - Judith Maget; Marc Tiebout; Rainer Kraus (IEEE J. Solid State Circuits, 2003)