Wai, May Phu Pwint, Winai jaikla, Surapong Siripongdee, Amornchai Chaichana, and Peerawut Suwanjan. “Electronically Tunable TISO Voltage-Mode Universal Filter Using Two LT1228s”. International Journal of Engineering and Technology Innovation 12, no. 1 (December 20, 2021): 62–74. Accessed December 5, 2024. https://ojs.imeti.org/index.php/IJETI/article/view/8499.