QIAO, Xiaohua; SUN, Yuxia; ZHANG, Hongqin; XU, Yaping. Simulation of Improved Fourth-Order Colpitts Oscillator. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 9, n. 3, p. pp. 93–97, 2013. DOI: 10.3991/ijoe.v9i3.2830. Disponível em: https://online-journals.org/index.php/i-joe/article/view/2830. Acesso em: 24 apr. 2024.