An Ultra-wideband Bandpass Filter using a novel "Concentric Rings DGS". - Pankaj Kumar Dua; Deepak Bhatia (ICCCT, 2015)

A Novel Design of an Ultra-Wideband Bandpass Filter based on "Inverted T-shaped Centrally Loaded Resonator". - Pankaj Kumar Dua; Deepak Bhatia (ICCCT, 2015)