K. Y. Rumyantsev, A. N. Zikiy, P. N. Zlaman, and S. O. Mamchenko, “Experimental Investigation of the LTC5553 Microcircuit in the Frequency Multiplication Mode”, IJET, vol. 7, no. 3.13, pp. 41–43, Jul. 2018, doi: 10.14419/ijet.v7i3.13.16321.