Bica Oliveira, L., J. R. Fernandes, I. M. Filanovsky, and C. J. M. Verhoeven. "A 2.4 GHz CMOS quadrature LC-oscillator/mixer." Circuits and Systems, 2004. ISCAS'04. Proceedings of the 2004 International Symposium on. Vol. 1. IEEE,  2004. I?165.