KARAPENEV, B. Synthesis and Studies of Digital Frequency Modulator-demodulator with Non-Coherent Demodulator Containing a Band-pass Active Filter. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 10, n. 4, p. 65–73, 2018. Disponível em: https://jtec.utem.edu.my/jtec/article/view/4728. Acesso em: 4 may. 2024.