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Active and Passive Electronic Components
Volume 2012 (2012), Article ID 464659, 10 pages
Research Article

A 12 GHz 30 mW 130 nm CMOS Rotary Travelling Wave Voltage Controlled Oscillator

1University Nice Sophia Antipolis, IM2NP UMR CNRS 7334, 06410 Biot, France
2University Nice Sophia Antipolis, LEAT UMR CNRS 6071, 06540 Valbonne, France
3SDRF, Sophia Antipolis, 06410 Biot, France
4University of Modena and Reggio Emilia, 41100 Modena, Italy

Received 29 May 2012; Revised 3 August 2012; Accepted 17 September 2012

Academic Editor: Ulrich L. Rohde

Copyright © 2012 G. Jacquemod et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper reports a 12 GHz rotary travelling wave (RTW) voltage controlled oscillator designed in a 130 nm CMOS technology. The phase noise and power consumption performances were compared with the literature and with telecommunication standards for broadcast satellite applications. The RTW VCO exhibits a −106 dBc/Hz at 1 MHz and a 30 mW power consumption with a sensibility of 400 MHz/V. Finally, requirements are given for a PLL implementation of the RTW VCO and simulated results are presented.