An ultra-low-voltage LC-VCO with a frequency extension circuit for future 0.5-V clock generation.

Wei Deng Kenichi Okada Akira Matsuzawa An ultra-low-voltage LC-VCO with a frequency extension circuit for future 0.5-V clock generation. 103-104 2011 ASP-DAC http://dx.doi.org/10.1109/ASPDAC.2011.5722159 conf/aspdac/2011 db/conf/aspdac/aspdac2011.html#DengOM11