Wai, M. P. P. ., jaikla, W., Siripongdee, S. ., Chaichana, A. ., & Suwanjan, P. (2021). Electronically Tunable TISO Voltage-Mode Universal Filter Using Two LT1228s . International Journal of Engineering and Technology Innovation, 12(1), 62–74. https://doi.org/10.46604/ijeti.2021.8499