Osadchuk, Oleksandr, Andriy Semenov, and Костянтин Коваль. 2015. “MULTIFREQUENCY GENERATOR, BASED ON CAPACITANCE EFFECT OF FIELD –EFFECT TRANSSISTOR STRUCTURE WITH NEGATIVE RESISTNCE”. Scientific Works of Vinnytsia National Technical University, no. 2 (November). https://works.vntu.edu.ua/index.php/works/article/view/286.