Setiawan, F., and P. Kariman. “Optimasi Simulasi HPF Dan LPF Orde Dua Upaya Penguatan Sinyal Digital”. Proceedings of the National Conference on Electrical Engineering, Informatics, Industrial Technology, and Creative Media, Vol. 3, no. 1, Dec. 2023, pp. 140-9, https://centive.ittelkom-pwt.ac.id/index.php/centive/article/view/201.