SIRIPHOT, D.; POOKRONGTONG, N.; LUMCHANAO, W. Single CDCTA Based Electronically Adjustable Current-mode Quadrature Sinusoidal Oscillator. Applied Science and Engineering Progress, [S. l.], v. 11, n. 3, p. 209–216, 2018. Disponível em: https://ph02.tci-thaijo.org/index.php/ijast/article/view/211343. Acesso em: 10 apr. 2025.