Hsuan-Ju TsaiBo-Chih HuangNan-Wei ChenSHYH-KANG JENG2018-09-102018-09-102014-05http://scholars.lib.ntu.edu.tw/handle/123456789/387460A Reconfigurable Bandpass Filter Based on a Varactor-Perturbed, T-Shaped Dual-Mode Resonatorjournal article10.1109/lmwc.2014.2306893