Suppakhun, Yupin, and Pornchai Supnithi. “Effect of cutoff frequency of lowpass filter on the performance of perpendicular magnetic recording channel”. Asia-Pacific Journal of Science and Technology 13, no. 4 (April 19, 2017): 501–504. accessed January 8, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/83714.