Analysis, Design, Simulation and Evaluation of Sigma-Delta (Σδ) Modulator for Gsm Synthesizer. Al-Nahrain Journal of Science, [S. l.], v. 14, n. 1, 2011. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/923. Acesso em: 9 apr. 2025.