Li Ke, Reuben Wilcock, Peter Wilson. Improved 6.7GHz CMOS VCO delay cell with up to seven octave tuning range. In International Symposium on Circuits and Systems (ISCAS 2008), 18-21 May 2008, Sheraton Seattle Hotel, Seattle, Washington, USA. pages 444-447, IEEE, 2008. [doi]
Abstract is missing.