Siregar, Pascal, Florentius Budi Setiawan, Paskal Kariman, Leonardus Heru Pratomo, and Slamet Riyadi. “Analysis of Second-Order HPF and LPF Circuit Simulations As Digital Signal Amplification Filters”. Emitor: Jurnal Teknik Elektro 24, no. 2 (July 26, 2024): 102–107. Accessed December 6, 2025. http://journals2.ums.ac.id/emitor/article/view/2954.