CAMPOS-SALAZAR, J. M.; NICOLÁS-APRUZZESE, J.; GARCÍA-ROJAS, G. Modeling, Control, and Simulation of a Common-Emitter Switched Amplifier with a Voltage-Variable Gain. Journal of Electronics and Electrical Engineering, Singapore, v. 4, n. 1, p. 222–233, 2025. DOI: 10.37256/jeee.4120256214. Disponível em: https://ojs.wiserpub.com/index.php/JEEE/article/view/6214. Acesso em: 6 dec. 2025.