1. A comparison between two 1.8 GHz CMOS VCOs tuned by different varactors;Andreani;in Proc. 22nd Eur. Solid-State Circuits Conf. (ESSCIRC),1998
2. On the use of MOS varactors in RF VCOs;Andreani;IEEE J. Solid State Circuits,2000
3. BSIM3v3-based varactor model;Su;Electron. Lett.,2001
4. Large-signal analysis of MOS varactors in CMOS – Gm LC VCOs;Bunch;IEEE Journal of Solid-State Circuits,2003
5. Design and Characterization of Integrated Varactors for RF Applications;Inigo Gutierrez,2006