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van den Bos, C., L. B. Oliveira, J. R. Fernandes, and C. J. M. Verhoeven. "A 5-GHz combined oscillator/mixer." Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on. IEEE, 2006. 4–pp. Abstract
Casaleiro, J., H. F. Lopes, L. B. Oliveira, and I. Filanovsky. "CMOS coupled multivibrators for WMTS applications." Mixed Design of Integrated Circuits and Systems (MIXDES), 2010 Proceedings of the 17th International Conference. IEEE, 2010. 231-236. Abstract
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