JERABEK, J.; SOTNER, R.; DOSTAL, T.; VRBA, K. Simple Resistor-less Generator Utilizing Z-copy Controlled Gain Voltage Differencing Current Conveyor for PWM Generation. Elektronika ir Elektrotechnika, [S. l.], v. 21, n. 5, p. 28-34, 2015. DOI: 10.5755/j01.eee.21.5.13322. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/13322. Acesso em: 25 apr. 2024.