Use of CAD Systems in the Training of Specialists in Analogue Circuitry Valery K. Khokhlov, Marina V. Gonobina, Konstsntin P. Likhoedenko and Vitaliy V. Glazkov ITM Web Conf., 35 (2020) 04011 Published online: 09 December 2020 DOI: 10.1051/itmconf/20203504011