FENG, Hao; SUN, Linjie. Design and Simulation of Butterworth Low-pass Filter. Academic Journal of Science and Technology, [S. l.], v. 10, n. 3, p. 106–110, 2024. DOI: 10.54097/jpnnb366. Disponível em: https://drpress.org/ojs/index.php/ajst/article/view/20794. Acesso em: 29 apr. 2026.