Tohidian, MassoudMassoudTohidianAhmadi-Mehr, S. Amir-RezaS. Amir-RezaAhmadi-MehrStaszewski, Robert BogdanRobert BogdanStaszewski2015-12-182015-12-182015 IEEE2015-08IEEE Microwave and Wireless Components Lettershttp://hdl.handle.net/10197/7321A new quadrature oscillator topology is proposed, which arranges four low-Q series LC tanks in a ring structure driven by inverters operating in class-D. With a very small area of 0.007 that is comparable to conventional ring oscillators, this oscillator has 7–20 dB better phase noise FoM of 177 dB. It is widely tunable for nearly an octave from 2.66 to 4.97 GHz.en© © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.Class-D oscillatorLC oscillatorLow areaLow phase noiseLow-Q inductorNanoscale CMOSQuadrature oscilatorRing oscillatorSeries LCWide tuningJournal Article25852052210.1109/LMWC.2015.24406632015-12-02https://creativecommons.org/licenses/by-nc-nd/3.0/ie/