Лимаренко, Павел Васильевич. “Model of the Device for Multiplying the Frequency of the Carrying Oscillation PSK Signal”. Eastern-European Journal of Enterprise Technologies 6, no. 3(48) (November 10, 2010): 40–42. Accessed May 3, 2024. https://journals.uran.ua/eejet/article/view/3249.